Release 2.274.0 runner

* add `workflow_dispatch`

* Add an environment variable to indicate which repository the currently running Action came from.

* Expose the Action ref as well.

* Move setting `github.action_repository` and `github.action_ref` to `ActionRunner.cs`.

* Don't set `action_repository` and `action_ref` for local Actions.

Co-authored-by: Tingluo Huang <tingluohuang@github.com>

README.md

@@ -6,7 +6,7 @@
 
 [![Actions Status](https://github.com/actions/runner/workflows/Runner%20CI/badge.svg)](https://github.com/actions/runner/actions)
 
-The runner is the application that runs a job from a GitHub Actions workflow.  The runner can run on the [hosted machine pools](https://github.com/actions/virtual-environments) or run on [self-hosted environments](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/about-self-hosted-runners).
+The runner is the application that runs a job from a GitHub Actions workflow. It is used by GitHub Actions in the [hosted virtual environments](https://github.com/actions/virtual-environments), or you can [self-host the runner](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/about-self-hosted-runners) in your own environment.
 
 ## Get Started
 

docs/adrs/0263-proxy-support.md

@@ -22,7 +22,7 @@ These are described in detail below:
   - http://proxy.com
   - http://127.0.0.1:8080
   - http://user:password@proxy.com
-- `no_proxy` a comma seperated list of hosts that should not use the proxy. An optional port may be specified
+- `no_proxy` a comma separated list of hosts that should not use the proxy. An optional port may be specified
   - `google.com`
   - `yahoo.com:443`
   - `google.com,bing.com`
@@ -31,9 +31,9 @@ We won't use `http_proxy` for https traffic when `https_proxy` is not set, this
 Otherwise action authors and workflow users need to adjust to differences between the runner proxy convention, and tools used by their actions and scripts.  
 
 Example:  
-  Customer set `http_proxy=http://127.0.0.1:8888` and configure the runner against `https://github.com/owner/repo`, with the `https_proxy` -> `http_proxy` fallback, the runner will connect to server without any problem. However, if user runs `git push` to `https://github.com/owner/repo`, `git` won't use the proxy since it require `https_proxy` to be set for any https traffic.
+  Customer set `http_proxy=http://127.0.0.1:8888` and configure the runner against `https://github.com/owner/repo`, with the `https_proxy` -> `http_proxy` fallback, the runner will connect to the server without any problem. However, if a user runs `git push` to `https://github.com/owner/repo`, `git` won't use the proxy since it requires `https_proxy` to be set for any https traffic.
 
-> `golang`, `node.js` and other dev tools from the linux community use `http_proxy` for both http and https traffic base on my research.
+> `golang`, `node.js` and other dev tools from the linux community use `http_proxy` for both http and https traffic based on my research.
 
 A majority of our users are using Linux where these variables are commonly required to be set by various programs. By reading these values, we simplify the process for self hosted runners to set up proxy, and expose it in a way users are already familiar with.
 
@@ -43,7 +43,7 @@ We will support the lowercase and uppercase variants, with lowercase taking prio
 
 ### No Proxy Format
 
-While exact implementations are different per application on handle `no_proxy` env, most applications accept a comma separated list of hosts. Some accept wildcard characters (*). We are going to do exact case-insentive matches, and not support wildcards at this time.
+While exact implementations are different per application on handle `no_proxy` env, most applications accept a comma separated list of hosts. Some accept wildcard characters (*). We are going to do exact case-insensitive matches, and not support wildcards at this time.
 For example:
 - example.com will match example.com, foo.example.com, foo.bar.example.com
 - foo.example.com will match bar.foo.example.com and foo.example.com
@@ -57,5 +57,5 @@ We will not support IP addresses for `no_proxy`, only hostnames.
 3. The runner will read from the environmental variables during config and runtime and use the provided proxy if it exists
 4. Users may need to pass these environmental variables into other applications if they do not natively take these variables
 5. Action authors may need to update their workflows to react to the these environment variables
-6. We will document the way of setting environmental variables for runners using the environmental variables and how the runner uses them
-7. Like all other secrets, users will be able to relatively easily figure out proxy password if they can modify a workflow file running on a self hosted machine
+6. We will document the way of setting environmental variables for runners using the environment variables and how the runner uses them
+7. Like all other secrets, users will be able to relatively easily figure out proxy password if they can modify a workflow file running on a self hosted machine

docs/adrs/0276-problem-matchers.md

@@ -34,7 +34,7 @@ A way out for rare cases where scoping is a problem.
 
 `##[remove-matcher]owner`
 
-For the this to be usable, the `owner` needs to be discoverable. Therefore, debug print the owner on registration.
+For this to be usable, the `owner` needs to be discoverable. Therefore, debug print the owner on registration.
 
 ### Single line matcher
 
@@ -184,7 +184,7 @@ Solving this problem means:
   - Use the `github.workspace` (where the repo is cloned on disk)
 - Match against a repository to determine the relative path within the repo
 
-This is a place where we diverge from VSCode. VSCode task configuration are specific to the local workspace (workspace root is known or can be specified). We're solving a more generic problem, so we need more information - specifically the `fromPath` property - in order to accurately root the path.
+This is a place where we diverge from VSCode. VSCode task configurations are specific to the local workspace (workspace root is known or can be specified). We're solving a more generic problem, so we need more information - specifically the `fromPath` property - in order to accurately root the path.
 
 In order to avoid creating inaccurate hyperlinks on the error issues, the agent will verify the file exists and is in the main repository. Otherwise omit the file property from the error issue and debug trace what happened.
 
@@ -203,7 +203,7 @@ Problem matchers are unable to interpret severity strings other than `warning` a
 
 However some tools indicate error/warning in different ways. For example `flake8` uses codes like `E100`, `W200`, and `F300` (error, warning, fatal, respectively).
 
-Therefore, allow a property `severity`, sibling to `owner`, which identifies the default severity for the problem matcher. This allows two problem matchers are registered - one for warnings and one for errors.
+Therefore, allow a property `severity`, sibling to `owner`, which identifies the default severity for the problem matcher. This allows two problem matchers to be registered - one for warnings and one for errors.
 
 For example, given the following `flake8` output:
 

docs/adrs/0277-run-action-shell-options.md

@@ -84,7 +84,7 @@ powershell/pwsh
 - Users can always opt out by not using the builtins, and providing a shell option like: `pwsh -File {0}`, or `powershell -Command "& '{0}'"`, depending on need
 
 cmd
-- There doesnt seem to be a way to fully opt in to fail-fast behavior other than writing your script to check each error code and respond accordingly, so we cant actually provide that behavior by default, it will be completely up to the user to write this behavior into their script
+- There doesn't seem to be a way to fully opt in to fail-fast behavior other than writing your script to check each error code and respond accordingly, so we can't actually provide that behavior by default, it will be completely up to the user to write this behavior into their script
 - cmd.exe will exit (return the error code to the runner) with the errorlevel of the last program it executed. This is internally consistent with the previous default behavior (sh, pwsh) and is the cmd.exe default, so we keep that behavior
 
 ## Consequences

docs/adrs/0549-composite-run-steps.md

@@ -16,11 +16,32 @@ We don't want the workflow author to need to know how the internal workings of t
 
 A composite action is treated as **one** individual job step (this is known as encapsulation).
 
-
 ## Decision
 
 **In this ADR, we only support running multiple run steps in an Action.** In doing so, we build in support for mapping and flowing the inputs, outputs, and env variables (ex: All nested steps should have access to its parents' input variables and nested steps can overwrite the input variables).
 
+### Composite Run Steps Features
+This feature supports at the top action level:
+- name
+- description
+- inputs
+- runs
+- outputs
+
+This feature supports at the run step level:
+- name
+- id
+- run
+- env
+- shell
+- working-directory
+
+This feature **does not support** at the run step level:
+- timeout-minutes
+- secrets
+- conditionals (needs, if, etc.)
+- continue-on-error
+
 ### Steps
 
 Example `workflow.yml`
@@ -49,7 +70,9 @@ runs:
   using: "composite"
   steps:
     - run: pip install -r requirements.txt
+      shell: bash
     - run: npm install
+      shell: bash
 ```
 
 Example Output
@@ -63,6 +86,69 @@ echo hello world 4
 
 We add a token called "composite" which allows our Runner code to process composite actions. By invoking "using: composite", our Runner code then processes the "steps" attribute, converts this template code to a list of steps, and finally runs each run step sequentially. If any step fails and there are no `if` conditions defined, the whole composite action job fails. 
 
+### Defaults
+
+We will not support "defaults" in a composite action. 
+
+### Shell and Working-directory
+
+For each run step in a composite action, the action author can set the `shell` and `working-directory` attributes for that step. The shell attribute is **required** for each run step because the action author does not know what the workflow author is using for the operating system so we need to explicitly prevent unknown behavior by making sure that each run step has an explicit shell **set by the action author.** On the other hand, `working-directory` is optional. Moreover, the composite action author can map in values from the `inputs` for it's `shell` and `working-directory` attributes at the step level for an action. 
+
+For example,
+
+`action.yml`
+
+
+```yaml
+inputs:
+  shell_1:
+    description: 'Your name'
+    default: 'pwsh'
+steps:
+  - run: echo 1
+    shell: ${{ inputs.shell_1 }}
+```
+
+Note, the workflow file and action file are treated as separate entities. **So, the workflow `defaults` will never change the `shell` and `working-directory` value in the run steps in a composite action.** Note, `defaults` in a workflow only apply to run steps not "uses" steps (steps that use an action).
+
+### Running Local Scripts
+
+Example 'workflow.yml':
+```yaml
+jobs:
+  build:
+    runs-on: self-hosted
+    steps:
+    - uses: user/composite@v1
+```
+
+Example `user/composite/action.yml`:
+
+```yaml
+runs:
+  using: "composite"
+  steps: 
+    - run: chmod +x ${{ github.action_path }}/test/script2.sh
+      shell: bash
+    - run: chmod +x $GITHUB_ACTION_PATH/script.sh
+      shell: bash
+    - run: ${{ github.action_path }}/test/script2.sh
+      shell: bash
+    - run: $GITHUB_ACTION_PATH/script.sh
+      shell: bash
+```
+Where `user/composite` has the file structure:
+```
+.
++-- action.yml
++-- script.sh
++-- test
+|   +-- script2.sh
+```
+
+
+Users will be able to run scripts located in their action folder by first prepending the relative path and script name with `$GITHUB_ACTION_PATH` or `github.action_path` which contains the path in which the composite action is downloaded to and where those "files" live. Note, you'll have to use `chmod` before running each script if you do not git check in your script files into your github repo with the executable bit turned on.
+
 ### Inputs
 
 Example `workflow.yml`:
@@ -86,6 +172,7 @@ runs:
   using: "composite"
   steps: 
     - run: echo hello ${{ inputs.your_name }}
+      shell: bash
 ```
 
 Example Output:
@@ -106,6 +193,7 @@ steps:
   - id: foo
     uses: user/composite@v1
   - run: echo random-number ${{ steps.foo.outputs.random-number }} 
+    shell: bash
 ```
 
 Example `user/composite/action.yml`:
@@ -119,7 +207,8 @@ runs:
   using: "composite"
   steps: 
     - id: random-number-generator
-      run: echo "::set-output name=random-number::$(echo $RANDOM)"
+      run: echo "::set-output name=random-id::$(echo $RANDOM)"
+      shell: bash
 ```
 
 Example Output:
@@ -143,13 +232,17 @@ In the Composite Action, you'll only be able to use `::set-env::` to set environ
 
 ### Secrets
 
-**Note** : This feature will be focused on in a future ADR.
+**We will not support "Secrets" in a composite action for now. This functionality will be focused on in a future ADR.**
 
 We'll pass the secrets from the composite action's parents (ex: the workflow file) to the composite action. Secrets can be created in the composite action with the secrets context. In the actions yaml, we'll automatically mask the secret. 
 
 
 ### If Condition
 
+** If and needs conditions will not be supported in the composite run steps feature. It will be supported later on in a new feature. **
+
+Old reasoning:
+
 Example `workflow.yml`:
 
 ```yaml
@@ -166,12 +259,18 @@ runs:
   using: "composite"
   steps:
     - run: echo "just succeeding"
+      shell: bash
     - run: echo "I will run, as my current scope is succeeding"
+      shell: bash
       if: success()
     - run: exit 1
+      shell: bash
     - run: echo "I will not run, as my current scope is now failing"
+      shell: bash
 ```
 
+**We will not support "if Condition" in a composite action for now. This functionality will be focused on in a future ADR.**
+
 See the paragraph below for a rudimentary approach (thank you to @cybojenix for the idea, example, and explanation for this approach):
 
 The `if` statement in the parent (in the example above, this is the `workflow.yml`) shows whether or not we should run the composite action. So, our composite action will run since the `if` condition for running the composite action is `always()`.
@@ -203,13 +302,18 @@ runs:
     - id: foo1
       run: echo test 1
       timeout-minutes: 10
+      shell: bash
     - id: foo2
       run: echo test 2
+      shell: bash
     - id: foo3
       run: echo test 3
       timeout-minutes: 10
+      shell: bash
 ```
 
+**We will not support "timeout-minutes" in a composite action for now. This functionality will be focused on in a future ADR.**
+
 A composite action in its entirety is a job. You can set both timeout-minutes for the whole composite action or its steps as long as the the sum of the `timeout-minutes` for each composite action step that has the attribute `timeout-minutes` is less than or equals to `timeout-minutes` for the composite action. There is no default timeout-minutes for each composite action step. 
 
 If the time taken for any of the steps in combination or individually exceed the whole composite action `timeout-minutes` attribute, the whole job will fail (1). If an individual step exceeds its own `timeout-minutes` attribute but the total time that has been used including this step is below the overall composite action `timeout-minutes`, the individual step will fail but the rest of the steps will run based on their own `timeout-minutes` attribute (they will still abide by condition (1) though).
@@ -243,36 +347,17 @@ runs:
   steps: 
     - run: exit 1
       continue-on-error: true
+      shell: bash
     - run: echo "Hello World 2" <----- This step will run
+      shell: bash
 ```
 
+**We will not support "continue-on-error" in a composite action for now. This functionality will be focused on in a future ADR.**
+
 If any of the steps fail in the composite action and the `continue-on-error` is set to `false` for the whole composite action step in the workflow file, then the steps below it will run. On the flip side, if `continue-on-error` is set to `true` for the whole composite action step in the workflow file, the next job step will run.
 
 For the composite action steps, it follows the same logic as above. In this example, `"Hello World 2"` will be outputted because the previous step has `continue-on-error` set to `true` although that previous step errored. 
 
-### Defaults
-We will not support "defaults" in a composite action. 
-
-### Shell and Working-directory
-For each run step in a composite action, the action author can set the `shell` and `working-directory` attributes for that step. These attributes are optional for each run step - by default, the `shell` is set to whatever default value is associated with the runner os (ex: bash =\> Mac). Moreover, the composite action author can map in values from the `inputs` for it's `shell` and `working-directory` attributes at the step level for an action. 
-
-For example,
-
-`action.yml`
-
-
-```yaml
-inputs:
-  shell_1:
-    description: 'Your name'
-    default: 'pwsh'
-steps:
-  - run: echo 1
-    shell: ${{ inputs.shell_1 }}
-```
-
-Note, the workflow file and action file are treated as separate entities. **So, the workflow `defaults` will never change the `shell` and `working-directory` value in the run steps in a composite action.** Note, `defaults` in a workflow only apply to run steps not "uses" steps (steps that use an action).
-
 ### Visualizing Composite Action in the GitHub Actions UI
 We want all the composite action's steps to be condensed into the original composite action node. 
 

docs/contribute.md

@@ -14,7 +14,7 @@ Issues in this repository should be for the runner application.  Note that the V
 
 We ask that before significant effort is put into code changes, that we have agreement on taking the change before time is invested in code changes. 
 
-1. Create a feature request.  Once agreed we will take the enhancment
+1. Create a feature request.  Once agreed we will take the enhancement
 2. Create an ADR to agree on the details of the change.
 
 An ADR is an Architectural Decision Record.  This allows consensus on the direction forward and also serves as a record of the change and motivation.  [Read more here](adrs/README.md)

releaseNote.md

@@ -1,15 +1,11 @@
 ## Features
-  - Composite Actions Support for Multiple Run Steps (#549, #557, #564, #568, #569, #578, #591, #599, #605, #609, #610, #615, #624) 
-  - Prepare to switch GITHUB_ACTION to use ContextName instead of refname (#593)
-  - Fold logs for intermediate docker commands (#608)
-  - Add ability to register a runner to the non-default self-hosted runner group (#613)
-  
+  - Support environment URL parsing (#762, #778)
+
 ## Bugs
-  - Double quotes around variable so CD works if path contains spaces (#602)
-  - Bump lodash in /src/Misc/expressionFunc/hashFiles (#603) 
-  - Fix poor performance of process spawned from svc daemon (#614)
+  - Fixes #759 doesn't change proxy environment variables (#760)
+
 ## Misc
-  - Move shared ExecutionContext properties under .Global (#594)
+  - Add .editorconfig (#768)
 
 ## Windows x64
 We recommend configuring the runner in a root folder of the Windows drive (e.g. "C:\actions-runner"). This will help avoid issues related to service identity folder permissions and long file path restrictions on Windows.

releaseVersion

@@ -1 +1 @@
-<Update to ./src/runnerversion when creating release>
+2.274.0

src/.editorconfig

@@ -0,0 +1,10 @@
+[*.cs]
+charset = utf-8
+insert_final_newline = true
+
+csharp_new_line_before_else = true
+csharp_new_line_before_catch = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_open_brace = all
+
+csharp_space_after_keywords_in_control_flow_statements = true

src/ActionsRunner.sln

@@ -1,4 +1,4 @@
-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 16
 VisualStudioVersion = 16.0.29411.138
@@ -21,6 +21,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Sdk", "Sdk\Sdk.csproj", "{D
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Test", "Test\Test.csproj", "{C932061F-F6A1-4F1E-B854-A6C6B30DC3EF}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{EFB254FC-7927-445E-BA64-6676ADB309E9}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

src/Misc/dotnet-install.ps1

@@ -69,6 +69,8 @@
 .PARAMETER ProxyUseDefaultCredentials
     Default: false
     Use default credentials, when using proxy address.
+.PARAMETER ProxyBypassList
+    If set with ProxyAddress, will provide the list of comma separated urls that will bypass the proxy
 .PARAMETER SkipNonVersionedFiles
     Default: false
     Skips installing non-versioned files if they already exist, such as dotnet.exe.
@@ -96,6 +98,7 @@ param(
    [string]$FeedCredential,
    [string]$ProxyAddress,
    [switch]$ProxyUseDefaultCredentials,
+   [string[]]$ProxyBypassList=@(),
    [switch]$SkipNonVersionedFiles,
    [switch]$NoCdn
 )
@@ -119,11 +122,27 @@ $VersionRegEx="/\d+\.\d+[^/]+/"
 $OverrideNonVersionedFiles = !$SkipNonVersionedFiles
 
 function Say($str) {
-    Write-Host "dotnet-install: $str"
+    try
+    {
+        Write-Host "dotnet-install: $str"
+    }
+    catch
+    {
+        # Some platforms cannot utilize Write-Host (Azure Functions, for instance). Fall back to Write-Output
+        Write-Output "dotnet-install: $str"
+    }
 }
 
 function Say-Verbose($str) {
-    Write-Verbose "dotnet-install: $str"
+    try
+    {
+        Write-Verbose "dotnet-install: $str"
+    }
+    catch
+    {
+        # Some platforms cannot utilize Write-Verbose (Azure Functions, for instance). Fall back to Write-Output
+        Write-Output "dotnet-install: $str"
+    }
 }
 
 function Say-Invocation($Invocation) {
@@ -176,7 +195,7 @@ function Get-CLIArchitecture-From-Architecture([string]$Architecture) {
         { $_ -eq "x86" } { return "x86" }
         { $_ -eq "arm" } { return "arm" }
         { $_ -eq "arm64" } { return "arm64" }
-        default { throw "Architecture not supported. If you think this is a bug, report it at https://github.com/dotnet/sdk/issues" }
+        default { throw "Architecture '$Architecture' not supported. If you think this is a bug, report it at https://github.com/dotnet/install-scripts/issues" }
     }
 }
 
@@ -237,7 +256,11 @@ function GetHTTPResponse([Uri] $Uri)
 
             if($ProxyAddress) {
                 $HttpClientHandler = New-Object System.Net.Http.HttpClientHandler
-                $HttpClientHandler.Proxy =  New-Object System.Net.WebProxy -Property @{Address=$ProxyAddress;UseDefaultCredentials=$ProxyUseDefaultCredentials}
+                $HttpClientHandler.Proxy =  New-Object System.Net.WebProxy -Property @{
+                    Address=$ProxyAddress;
+                    UseDefaultCredentials=$ProxyUseDefaultCredentials;
+                    BypassList = $ProxyBypassList;
+                }
                 $HttpClient = New-Object System.Net.Http.HttpClient -ArgumentList $HttpClientHandler
             }
             else {
@@ -372,17 +395,20 @@ function Get-Specific-Version-From-Version([string]$AzureFeed, [string]$Channel,
 function Get-Download-Link([string]$AzureFeed, [string]$SpecificVersion, [string]$CLIArchitecture) {
     Say-Invocation $MyInvocation
 
+    # If anything fails in this lookup it will default to $SpecificVersion
+    $SpecificProductVersion = Get-Product-Version -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion
+
     if ($Runtime -eq "dotnet") {
-        $PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/dotnet-runtime-$SpecificVersion-win-$CLIArchitecture.zip"
+        $PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/dotnet-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
     }
     elseif ($Runtime -eq "aspnetcore") {
-        $PayloadURL = "$AzureFeed/aspnetcore/Runtime/$SpecificVersion/aspnetcore-runtime-$SpecificVersion-win-$CLIArchitecture.zip"
+        $PayloadURL = "$AzureFeed/aspnetcore/Runtime/$SpecificVersion/aspnetcore-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
     }
     elseif ($Runtime -eq "windowsdesktop") {
-        $PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/windowsdesktop-runtime-$SpecificVersion-win-$CLIArchitecture.zip"
+        $PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/windowsdesktop-runtime-$SpecificProductVersion-win-$CLIArchitecture.zip"
     }
     elseif (-not $Runtime) {
-        $PayloadURL = "$AzureFeed/Sdk/$SpecificVersion/dotnet-sdk-$SpecificVersion-win-$CLIArchitecture.zip"
+        $PayloadURL = "$AzureFeed/Sdk/$SpecificVersion/dotnet-sdk-$SpecificProductVersion-win-$CLIArchitecture.zip"
     }
     else {
         throw "Invalid value for `$Runtime"
@@ -390,7 +416,7 @@ function Get-Download-Link([string]$AzureFeed, [string]$SpecificVersion, [string
 
     Say-Verbose "Constructed primary named payload URL: $PayloadURL"
 
-    return $PayloadURL
+    return $PayloadURL, $SpecificProductVersion
 }
 
 function Get-LegacyDownload-Link([string]$AzureFeed, [string]$SpecificVersion, [string]$CLIArchitecture) {
@@ -411,6 +437,51 @@ function Get-LegacyDownload-Link([string]$AzureFeed, [string]$SpecificVersion, [
     return $PayloadURL
 }
 
+function Get-Product-Version([string]$AzureFeed, [string]$SpecificVersion) {
+    Say-Invocation $MyInvocation
+
+    if ($Runtime -eq "dotnet") {
+        $ProductVersionTxtURL = "$AzureFeed/Runtime/$SpecificVersion/productVersion.txt"
+    }
+    elseif ($Runtime -eq "aspnetcore") {
+        $ProductVersionTxtURL = "$AzureFeed/aspnetcore/Runtime/$SpecificVersion/productVersion.txt"
+    }
+    elseif ($Runtime -eq "windowsdesktop") {
+        $ProductVersionTxtURL = "$AzureFeed/Runtime/$SpecificVersion/productVersion.txt"
+    }
+    elseif (-not $Runtime) {
+        $ProductVersionTxtURL = "$AzureFeed/Sdk/$SpecificVersion/productVersion.txt"
+    }
+    else {
+        throw "Invalid value '$Runtime' specified for `$Runtime"
+    }
+
+    Say-Verbose "Checking for existence of $ProductVersionTxtURL"
+
+    try {
+        $productVersionResponse = GetHTTPResponse($productVersionTxtUrl)
+
+        if ($productVersionResponse.StatusCode -eq 200) {
+            $productVersion = $productVersionResponse.Content.ReadAsStringAsync().Result.Trim()
+            if ($productVersion -ne $SpecificVersion)
+            {
+                Say "Using alternate version $productVersion found in $ProductVersionTxtURL"
+            }
+
+            return $productVersion
+        }
+        else {
+            Say-Verbose "Got StatusCode $($productVersionResponse.StatusCode) trying to get productVersion.txt at $productVersionTxtUrl, so using default value of $SpecificVersion"
+            $productVersion = $SpecificVersion
+        }
+    } catch {
+        Say-Verbose "Could not read productVersion.txt at $productVersionTxtUrl, so using default value of $SpecificVersion (Exception: '$($_.Exception.Message)' )"
+        $productVersion = $SpecificVersion
+    }
+
+    return $productVersion
+}
+
 function Get-User-Share-Path() {
     Say-Invocation $MyInvocation
 
@@ -566,7 +637,7 @@ function Prepend-Sdk-InstallRoot-To-Path([string]$InstallRoot, [string]$BinFolde
 
 $CLIArchitecture = Get-CLIArchitecture-From-Architecture $Architecture
 $SpecificVersion = Get-Specific-Version-From-Version -AzureFeed $AzureFeed -Channel $Channel -Version $Version -JSonFile $JSonFile
-$DownloadLink = Get-Download-Link -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
+$DownloadLink, $EffectiveVersion = Get-Download-Link -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
 $LegacyDownloadLink = Get-LegacyDownload-Link -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
 
 $InstallRoot = Resolve-Installation-Path $InstallDir
@@ -592,6 +663,11 @@ if ($DryRun) {
         }
     }
     Say "Repeatable invocation: $RepeatableCommand"
+    if ($SpecificVersion -ne $EffectiveVersion)
+    {
+        Say "NOTE: Due to finding a version manifest with this runtime, it would actually install with version '$EffectiveVersion'"
+    }
+
     exit 0
 }
 
@@ -615,6 +691,12 @@ else {
     throw "Invalid value for `$Runtime"
 }
 
+if ($SpecificVersion -ne $EffectiveVersion)
+{
+   Say "Performing installation checks for effective version: $EffectiveVersion"
+   $SpecificVersion = $EffectiveVersion
+}
+
 #  Check if the SDK version is already installed.
 $isAssetInstalled = Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $SpecificVersion
 if ($isAssetInstalled) {
@@ -693,196 +775,195 @@ Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot -BinFolderRelativePath
 
 Say "Installation finished"
 exit 0
-
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-# t26Y/yjBaQImz32psrfJEMbQ7cl789s8WOx8
-# SIG # End signature block
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+# fvIEusNgYkb2kl5xQfxm3wynbxtP249vWF4GACZtqqSj3tcQ+xQ=
+# SIG # End signature block

src/Misc/dotnet-install.sh

@@ -270,7 +270,7 @@ check_pre_reqs() {
         [ -z "$($LDCONFIG_COMMAND 2>/dev/null | grep zlib)" ] && say_warning "Unable to locate zlib. Probable prerequisite missing; install zlib."
         [ -z "$($LDCONFIG_COMMAND 2>/dev/null | grep ssl)" ] && say_warning "Unable to locate libssl. Probable prerequisite missing; install libssl."
         [ -z "$($LDCONFIG_COMMAND 2>/dev/null | grep libicu)" ] && say_warning "Unable to locate libicu. Probable prerequisite missing; install libicu."
-        [ -z "$($LDCONFIG_COMMAND 2>/dev/null | grep lttng)" ] && say_warning "Unable to locate liblttng. Probable prerequisite missing; install libcurl."
+        [ -z "$($LDCONFIG_COMMAND 2>/dev/null | grep lttng)" ] && say_warning "Unable to locate liblttng. Probable prerequisite missing; install liblttng."
         [ -z "$($LDCONFIG_COMMAND 2>/dev/null | grep libcurl)" ] && say_warning "Unable to locate libcurl. Probable prerequisite missing; install libcurl."
     fi
 
@@ -373,7 +373,7 @@ get_normalized_architecture_from_architecture() {
             ;;
     esac
 
-    say_err "Architecture \`$architecture\` not supported. If you think this is a bug, report it at https://github.com/dotnet/sdk/issues"
+    say_err "Architecture \`$architecture\` not supported. If you think this is a bug, report it at https://github.com/dotnet/install-scripts/issues"
     return 1
 }
 
@@ -545,17 +545,18 @@ construct_download_link() {
     local channel="$2"
     local normalized_architecture="$3"
     local specific_version="${4//[$'\t\r\n']}"
+    local specific_product_version="$(get_specific_product_version "$1" "$4")"
 
     local osname
     osname="$(get_current_os_name)" || return 1
 
     local download_link=null
     if [[ "$runtime" == "dotnet" ]]; then
-        download_link="$azure_feed/Runtime/$specific_version/dotnet-runtime-$specific_version-$osname-$normalized_architecture.tar.gz"
+        download_link="$azure_feed/Runtime/$specific_version/dotnet-runtime-$specific_product_version-$osname-$normalized_architecture.tar.gz"
     elif [[ "$runtime" == "aspnetcore" ]]; then
-        download_link="$azure_feed/aspnetcore/Runtime/$specific_version/aspnetcore-runtime-$specific_version-$osname-$normalized_architecture.tar.gz"
+        download_link="$azure_feed/aspnetcore/Runtime/$specific_version/aspnetcore-runtime-$specific_product_version-$osname-$normalized_architecture.tar.gz"
     elif [ -z "$runtime" ]; then
-        download_link="$azure_feed/Sdk/$specific_version/dotnet-sdk-$specific_version-$osname-$normalized_architecture.tar.gz"
+        download_link="$azure_feed/Sdk/$specific_version/dotnet-sdk-$specific_product_version-$osname-$normalized_architecture.tar.gz"
     else
         return 1
     fi
@@ -564,6 +565,44 @@ construct_download_link() {
     return 0
 }
 
+# args:
+# azure_feed - $1
+# specific_version - $2
+get_specific_product_version() {
+    # If we find a 'productVersion.txt' at the root of any folder, we'll use its contents 
+    # to resolve the version of what's in the folder, superseding the specified version.
+    eval $invocation
+
+    local azure_feed="$1"
+    local specific_version="${2//[$'\t\r\n']}"
+    local specific_product_version=$specific_version
+
+    local download_link=null
+    if [[ "$runtime" == "dotnet" ]]; then
+        download_link="$azure_feed/Runtime/$specific_version/productVersion.txt${feed_credential}"
+    elif [[ "$runtime" == "aspnetcore" ]]; then
+        download_link="$azure_feed/aspnetcore/Runtime/$specific_version/productVersion.txt${feed_credential}"
+    elif [ -z "$runtime" ]; then
+        download_link="$azure_feed/Sdk/$specific_version/productVersion.txt${feed_credential}"
+    else
+        return 1
+    fi
+
+    specific_product_version=$(curl -s --fail "$download_link")
+    if [ $? -ne 0 ]
+    then
+      specific_product_version=$(wget -qO- "$download_link")
+      if [ $? -ne 0 ]
+      then
+        specific_product_version=$specific_version
+      fi
+    fi
+    specific_product_version="${specific_product_version//[$'\t\r\n']}"
+
+    echo "$specific_product_version"
+    return 0
+}
+
 # args:
 # azure_feed - $1
 # channel - $2
@@ -771,6 +810,7 @@ calculate_vars() {
     say_verbose "normalized_architecture=$normalized_architecture"
 
     specific_version="$(get_specific_version_from_version "$azure_feed" "$channel" "$normalized_architecture" "$version" "$json_file")"
+    specific_product_version="$(get_specific_product_version "$azure_feed" "$specific_version")"
     say_verbose "specific_version=$specific_version"
     if [ -z "$specific_version" ]; then
         say_err "Could not resolve version information."
@@ -869,12 +909,12 @@ install_dotnet() {
     fi
 
     #  Check if the standard SDK version is installed.
-    say_verbose "Checking installation: version = $specific_version"
-    if is_dotnet_package_installed "$install_root" "$asset_relative_path" "$specific_version"; then
+    say_verbose "Checking installation: version = $specific_product_version"
+    if is_dotnet_package_installed "$install_root" "$asset_relative_path" "$specific_product_version"; then
         return 0
     fi
 
-    say_err "\`$asset_name\` with version = $specific_version failed to install with an unknown error."
+    say_err "\`$asset_name\` with version = $specific_product_version failed to install with an unknown error."
     return 1
 }
 

src/Misc/expressionFunc/hashFiles/package-lock.json

@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.0.tgz",
-      "integrity": "sha512-ZKdyhlSlyz38S6YFfPnyNgCDZuAF2T0Qv5eHflNWytPS8Qjvz39bZFMry9Bb/dpSnqWcNeav5yM2CTYpJeY+Dw=="
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.6.tgz",
+      "integrity": "sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA=="
     },
     "@actions/glob": {
       "version": "0.1.0",

src/Misc/layoutbin/installdependencies.sh

@@ -49,70 +49,68 @@ then
         cat /etc/debian_version
         echo "------------------------------"
         
-        # prefer apt over apt-get        
-        command -v apt
+        # prefer apt-get over apt
+        command -v apt-get
         if [ $? -eq 0 ]
         then
-            apt update && apt install -y liblttng-ust0 libkrb5-3 zlib1g
-            if [ $? -ne 0 ]
-            then
-                echo "'apt' failed with exit code '$?'"
-                print_errormessage
-                exit 1
-            fi
-
-            # libissl version prefer: libssl1.1 -> libssl1.0.2 -> libssl1.0.0
-            apt install -y libssl1.1$ || apt install -y libssl1.0.2$ || apt install -y libssl1.0.0$
-            if [ $? -ne 0 ]
-            then
-                echo "'apt' failed with exit code '$?'"
-                print_errormessage
-                exit 1
-            fi
-
-            # libicu version prefer: libicu66 -> libicu63 -> libicu60 -> libicu57 -> libicu55 -> libicu52
-            apt install -y libicu66 || apt install -y libicu63 || apt install -y libicu60 || apt install -y libicu57 || apt install -y libicu55 || apt install -y libicu52
-            if [ $? -ne 0 ]
-            then
-                echo "'apt' failed with exit code '$?'"
-                print_errormessage
-                exit 1
-            fi
+            apt_get=apt-get
         else
-            command -v apt-get
+            command -v apt
             if [ $? -eq 0 ]
             then
-                apt-get update && apt-get install -y liblttng-ust0 libkrb5-3 zlib1g
-                if [ $? -ne 0 ]
-                then
-                    echo "'apt-get' failed with exit code '$?'"
-                    print_errormessage
-                    exit 1
-                fi
-                
-                # libissl version prefer: libssl1.1 -> libssl1.0.2 -> libssl1.0.0
-                apt-get install -y libssl1.1$ || apt-get install -y libssl1.0.2$ || apt install -y libssl1.0.0$
-                if [ $? -ne 0 ]
-                then
-                    echo "'apt-get' failed with exit code '$?'"
-                    print_errormessage
-                    exit 1
-                fi
-
-                # libicu version prefer: libicu66 -> libicu63 -> libicu60 -> libicu57 -> libicu55 -> libicu52
-                apt-get install -y libicu66 || apt-get install -y libicu63 || apt-get install -y libicu60 || apt install -y libicu57 || apt install -y libicu55 || apt install -y libicu52
-                if [ $? -ne 0 ]
-                then
-                    echo "'apt-get' failed with exit code '$?'"
-                    print_errormessage
-                    exit 1
-                fi
+                apt_get=apt
             else
-                echo "Can not find 'apt' or 'apt-get'"
+                echo "Found neither 'apt-get' nor 'apt'"
                 print_errormessage
                 exit 1
             fi
         fi
+
+        $apt_get update && $apt_get install -y liblttng-ust0 libkrb5-3 zlib1g
+        if [ $? -ne 0 ]
+        then
+            echo "'$apt_get' failed with exit code '$?'"
+            print_errormessage
+            exit 1
+        fi
+
+        apt_get_with_fallbacks() {
+            $apt_get install -y $1
+            fail=$?
+            if [ $fail -eq 0 ]
+            then
+                if [ "${1#"${1%?}"}" = '$' ]; then
+                    dpkg -l "${1%?}" > /dev/null 2> /dev/null
+                    fail=$?
+                fi
+            fi
+            if [ $fail -ne 0 ]
+            then
+                shift
+                if [ -n "$1" ]
+                then
+                    apt_get_with_fallbacks "$@"
+                fi
+            fi
+        }
+
+        # libssl version prefer: libssl1.1 -> libssl1.0.2 -> libssl1.0.0
+        apt_get_with_fallbacks libssl1.1$ libssl1.0.2$ libssl1.0.0$
+        if [ $? -ne 0 ]
+        then
+            echo "'$apt_get' failed with exit code '$?'"
+            print_errormessage
+            exit 1
+        fi
+
+        # libicu version prefer: libicu66 -> libicu63 -> libicu60 -> libicu57 -> libicu55 -> libicu52
+        apt_get_with_fallbacks libicu66 libicu63 libicu60 libicu57 libicu55 libicu52
+        if [ $? -ne 0 ]
+        then
+            echo "'$apt_get' failed with exit code '$?'"
+            print_errormessage
+            exit 1
+        fi
     elif [ -e /etc/redhat-release ]
     then
         echo "The current OS is Fedora based"

src/Misc/layoutbin/update.sh.template

@@ -28,13 +28,13 @@ date "+[%F %T-%4N] Waiting for $runnerprocessname ($runnerpid) to complete" >> "
 while [ -e /proc/$runnerpid ]
 do
     date "+[%F %T-%4N] Process $runnerpid still running" >> "$logfile" 2>&1
-    ping -c 2 127.0.0.1 >nul
+    sleep 2
 done
 date "+[%F %T-%4N] Process $runnerpid finished running" >> "$logfile" 2>&1
 
 # start re-organize folders
 date "+[%F %T-%4N] Sleep 1 more second to make sure process exited" >> "$logfile" 2>&1
-ping -c 2 127.0.0.1 >nul
+sleep 1
 
 # the folder structure under runner root will be
 # ./bin -> bin.2.100.0 (junction folder)

src/Misc/layoutroot/config.sh

@@ -18,24 +18,26 @@ then
         exit 1
     fi
 
+    message="Execute sudo ./bin/installdependencies.sh to install any missing Dotnet Core 3.0 dependencies."
+
     ldd ./bin/libcoreclr.so | grep 'not found'
     if [ $? -eq 0 ]; then
         echo "Dependencies is missing for Dotnet Core 3.0"
-        echo "Execute ./bin/installdependencies.sh to install any missing Dotnet Core 3.0 dependencies."
+        echo $message
         exit 1
     fi
 
     ldd ./bin/System.Security.Cryptography.Native.OpenSsl.so | grep 'not found'
     if [ $? -eq 0 ]; then
         echo "Dependencies is missing for Dotnet Core 3.0"
-        echo "Execute ./bin/installdependencies.sh to install any missing Dotnet Core 3.0 dependencies."
+        echo $message
         exit 1
     fi
 
     ldd ./bin/System.IO.Compression.Native.so | grep 'not found'
     if [ $? -eq 0 ]; then
         echo "Dependencies is missing for Dotnet Core 3.0"
-        echo "Execute ./bin/installdependencies.sh to install any missing Dotnet Core 3.0 dependencies."
+        echo $message
         exit 1
     fi
 
@@ -50,10 +52,10 @@ then
     fi
 
     libpath=${LD_LIBRARY_PATH:-}
-    $LDCONFIG_COMMAND -NXv ${libpath//:/} 2>&1 | grep libicu >/dev/null 2>&1
+    $LDCONFIG_COMMAND -NXv ${libpath//:/ } 2>&1 | grep libicu >/dev/null 2>&1
     if [ $? -ne 0 ]; then
         echo "Libicu's dependencies is missing for Dotnet Core 3.0"
-        echo "Execute ./bin/installdependencies.sh to install any missing Dotnet Core 3.0 dependencies."
+        echo $message
         exit 1
     fi
 fi

src/Runner.Common/Constants.cs

@@ -140,6 +140,9 @@ namespace GitHub.Runner.Common
 
             public static readonly string InternalTelemetryIssueDataKey = "_internal_telemetry";
             public static readonly string WorkerCrash = "WORKER_CRASH";
+            public static readonly string UnsupportedCommand = "UNSUPPORTED_COMMAND";
+            public static readonly string UnsupportedCommandMessage = "The `{0}` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/";
+            public static readonly string UnsupportedCommandMessageDisabled = "The `{0}` command is disabled. Please upgrade to using Environment Files or opt into unsecure command execution by setting the `ACTIONS_ALLOW_UNSECURE_COMMANDS` environment variable to `true`. For more information see: https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/";
         }
 
         public static class RunnerEvent
@@ -198,6 +201,7 @@ namespace GitHub.Runner.Common
                 //
                 // Keep alphabetical
                 //
+                public static readonly string AllowUnsupportedCommands = "ACTIONS_ALLOW_UNSECURE_COMMANDS";
                 public static readonly string RunnerDebug = "ACTIONS_RUNNER_DEBUG";
                 public static readonly string StepDebug = "ACTIONS_STEP_DEBUG";
             }

src/Runner.Common/ExtensionManager.cs

@@ -56,6 +56,10 @@ namespace GitHub.Runner.Common
                     Add<T>(extensions, "GitHub.Runner.Worker.EndGroupCommandExtension, Runner.Worker");
                     Add<T>(extensions, "GitHub.Runner.Worker.EchoCommandExtension, Runner.Worker");
                     break;
+                case "GitHub.Runner.Worker.IFileCommandExtension":
+                    Add<T>(extensions, "GitHub.Runner.Worker.AddPathFileCommand, Runner.Worker");
+                    Add<T>(extensions, "GitHub.Runner.Worker.SetEnvFileCommand, Runner.Worker");
+                    break;
                 default:
                     // This should never happen.
                     throw new NotSupportedException($"Unexpected extension type: '{typeof(T).FullName}'");

src/Runner.Common/JobServer.cs

@@ -16,6 +16,7 @@ namespace GitHub.Runner.Common
         // logging and console
         Task<TaskLog> AppendLogContentAsync(Guid scopeIdentifier, string hubName, Guid planId, int logId, Stream uploadStream, CancellationToken cancellationToken);
         Task AppendTimelineRecordFeedAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, Guid stepId, IList<string> lines, CancellationToken cancellationToken);
+        Task AppendTimelineRecordFeedAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, Guid stepId, IList<string> lines, long startLine, CancellationToken cancellationToken);
         Task<TaskAttachment> CreateAttachmentAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, String type, String name, Stream uploadStream, CancellationToken cancellationToken);
         Task<TaskLog> CreateLogAsync(Guid scopeIdentifier, string hubName, Guid planId, TaskLog log, CancellationToken cancellationToken);
         Task<Timeline> CreateTimelineAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, CancellationToken cancellationToken);
@@ -79,6 +80,12 @@ namespace GitHub.Runner.Common
             return _taskClient.AppendTimelineRecordFeedAsync(scopeIdentifier, hubName, planId, timelineId, timelineRecordId, stepId, lines, cancellationToken: cancellationToken);
         }
 
+        public Task AppendTimelineRecordFeedAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, Guid stepId, IList<string> lines, long startLine, CancellationToken cancellationToken)
+        {
+            CheckConnection();
+            return _taskClient.AppendTimelineRecordFeedAsync(scopeIdentifier, hubName, planId, timelineId, timelineRecordId, stepId, lines, startLine, cancellationToken: cancellationToken);
+        }
+
         public Task<TaskAttachment> CreateAttachmentAsync(Guid scopeIdentifier, string hubName, Guid planId, Guid timelineId, Guid timelineRecordId, string type, string name, Stream uploadStream, CancellationToken cancellationToken)
         {
             CheckConnection();

src/Runner.Common/JobServerQueue.cs

@@ -18,7 +18,7 @@ namespace GitHub.Runner.Common
         event EventHandler<ThrottlingEventArgs> JobServerQueueThrottling;
         Task ShutdownAsync();
         void Start(Pipelines.AgentJobRequestMessage jobRequest);
-        void QueueWebConsoleLine(Guid stepRecordId, string line);
+        void QueueWebConsoleLine(Guid stepRecordId, string line, long? lineNumber = null);
         void QueueFileUpload(Guid timelineId, Guid timelineRecordId, string type, string name, string path, bool deleteSource);
         void QueueTimelineRecordUpdate(Guid timelineId, TimelineRecord timelineRecord);
     }
@@ -155,10 +155,10 @@ namespace GitHub.Runner.Common
             Trace.Info("All queue process tasks have been stopped, and all queues are drained.");
         }
 
-        public void QueueWebConsoleLine(Guid stepRecordId, string line)
+        public void QueueWebConsoleLine(Guid stepRecordId, string line, long? lineNumber)
         {
             Trace.Verbose("Enqueue web console line queue: {0}", line);
-            _webConsoleLineQueue.Enqueue(new ConsoleLineInfo(stepRecordId, line));
+            _webConsoleLineQueue.Enqueue(new ConsoleLineInfo(stepRecordId, line, lineNumber));
         }
 
         public void QueueFileUpload(Guid timelineId, Guid timelineRecordId, string type, string name, string path, bool deleteSource)
@@ -214,7 +214,7 @@ namespace GitHub.Runner.Common
                 }
 
                 // Group consolelines by timeline record of each step
-                Dictionary<Guid, List<string>> stepsConsoleLines = new Dictionary<Guid, List<string>>();
+                Dictionary<Guid, List<TimelineRecordLogLine>> stepsConsoleLines = new Dictionary<Guid, List<TimelineRecordLogLine>>();
                 List<Guid> stepRecordIds = new List<Guid>(); // We need to keep lines in order
                 int linesCounter = 0;
                 ConsoleLineInfo lineInfo;
@@ -222,7 +222,7 @@ namespace GitHub.Runner.Common
                 {
                     if (!stepsConsoleLines.ContainsKey(lineInfo.StepRecordId))
                     {
-                        stepsConsoleLines[lineInfo.StepRecordId] = new List<string>();
+                        stepsConsoleLines[lineInfo.StepRecordId] = new List<TimelineRecordLogLine>();
                         stepRecordIds.Add(lineInfo.StepRecordId);
                     }
 
@@ -232,7 +232,7 @@ namespace GitHub.Runner.Common
                         lineInfo.Line = $"{lineInfo.Line.Substring(0, 1024)}...";
                     }
 
-                    stepsConsoleLines[lineInfo.StepRecordId].Add(lineInfo.Line);
+                    stepsConsoleLines[lineInfo.StepRecordId].Add(new TimelineRecordLogLine(lineInfo.Line, lineInfo.LineNumber));
                     linesCounter++;
 
                     // process at most about 500 lines of web console line during regular timer dequeue task.
@@ -247,13 +247,13 @@ namespace GitHub.Runner.Common
                 {
                     // Split consolelines into batch, each batch will container at most 100 lines.
                     int batchCounter = 0;
-                    List<List<string>> batchedLines = new List<List<string>>();
+                    List<List<TimelineRecordLogLine>> batchedLines = new List<List<TimelineRecordLogLine>>();
                     foreach (var line in stepsConsoleLines[stepRecordId])
                     {
                         var currentBatch = batchedLines.ElementAtOrDefault(batchCounter);
                         if (currentBatch == null)
                         {
-                            batchedLines.Add(new List<string>());
+                            batchedLines.Add(new List<TimelineRecordLogLine>());
                             currentBatch = batchedLines.ElementAt(batchCounter);
                         }
 
@@ -275,7 +275,6 @@ namespace GitHub.Runner.Common
                         {
                             Trace.Info($"Skip {batchedLines.Count - 2} batches web console lines for last run");
                             batchedLines = batchedLines.TakeLast(2).ToList();
-                            batchedLines[0].Insert(0, "...");
                         }
 
                         int errorCount = 0;
@@ -284,7 +283,15 @@ namespace GitHub.Runner.Common
                             try
                             {
                                 // we will not requeue failed batch, since the web console lines are time sensitive.
-                                await _jobServer.AppendTimelineRecordFeedAsync(_scopeIdentifier, _hubName, _planId, _jobTimelineId, _jobTimelineRecordId, stepRecordId, batch, default(CancellationToken));
+                                if (batch[0].LineNumber.HasValue)
+                                {
+                                    await _jobServer.AppendTimelineRecordFeedAsync(_scopeIdentifier, _hubName, _planId, _jobTimelineId, _jobTimelineRecordId, stepRecordId, batch.Select(logLine => logLine.Line).ToList(), batch[0].LineNumber.Value, default(CancellationToken));
+                                }
+                                else 
+                                {
+                                    await _jobServer.AppendTimelineRecordFeedAsync(_scopeIdentifier, _hubName, _planId, _jobTimelineId, _jobTimelineRecordId, stepRecordId, batch.Select(logLine => logLine.Line).ToList(), default(CancellationToken));
+                                }
+                                
                                 if (_firstConsoleOutputs)
                                 {
                                     HostContext.WritePerfCounter($"WorkerJobServerQueueAppendFirstConsoleOutput_{_planId.ToString()}");
@@ -653,13 +660,15 @@ namespace GitHub.Runner.Common
 
     internal class ConsoleLineInfo
     {
-        public ConsoleLineInfo(Guid recordId, string line)
+        public ConsoleLineInfo(Guid recordId, string line, long? lineNumber)
         {
             this.StepRecordId = recordId;
             this.Line = line;
+            this.LineNumber = lineNumber;
         }
 
         public Guid StepRecordId { get; set; }
         public string Line { get; set; }
+        public long? LineNumber { get; set; }
     }
 }

src/Runner.Sdk/RunnerWebProxy.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Net;
 using System.Text.RegularExpressions;
@@ -71,7 +71,7 @@ namespace GitHub.Runner.Sdk
 
             if (!string.IsNullOrEmpty(httpProxyAddress) && Uri.TryCreate(httpProxyAddress, UriKind.Absolute, out var proxyHttpUri))
             {
-                _httpProxyAddress = proxyHttpUri.AbsoluteUri;
+                _httpProxyAddress = proxyHttpUri.OriginalString;
 
                 // Set both environment variables since there are tools support both casing (curl, wget) and tools support only one casing (docker)
                 Environment.SetEnvironmentVariable("HTTP_PROXY", _httpProxyAddress);
@@ -101,7 +101,7 @@ namespace GitHub.Runner.Sdk
 
             if (!string.IsNullOrEmpty(httpsProxyAddress) && Uri.TryCreate(httpsProxyAddress, UriKind.Absolute, out var proxyHttpsUri))
             {
-                _httpsProxyAddress = proxyHttpsUri.AbsoluteUri;
+                _httpsProxyAddress = proxyHttpsUri.OriginalString;
 
                 // Set both environment variables since there are tools support both casing (curl, wget) and tools support only one casing (docker)
                 Environment.SetEnvironmentVariable("HTTPS_PROXY", _httpsProxyAddress);

src/Runner.Worker/ActionCommandManager.cs

@@ -1,4 +1,5 @@
 using GitHub.DistributedTask.Pipelines;
+using GitHub.DistributedTask.Pipelines.ContextData;
 using GitHub.DistributedTask.WebApi;
 using GitHub.Runner.Common.Util;
 using GitHub.Runner.Worker.Container;
@@ -183,11 +184,63 @@ namespace GitHub.Runner.Worker
 
         public void ProcessCommand(IExecutionContext context, string line, ActionCommand command, ContainerInfo container)
         {
+            var configurationStore = HostContext.GetService<IConfigurationStore>();
+            var isHostedServer = configurationStore.GetSettings().IsHostedServer;
+
+            var allowUnsecureCommands = false;
+            bool.TryParse(Environment.GetEnvironmentVariable(Constants.Variables.Actions.AllowUnsupportedCommands), out allowUnsecureCommands);
+
+            // Apply environment from env context, env context contains job level env and action's env block
+#if OS_WINDOWS
+            var envContext = context.ExpressionValues["env"] as DictionaryContextData;
+#else
+            var envContext = context.ExpressionValues["env"] as CaseSensitiveDictionaryContextData;
+#endif
+            if (!allowUnsecureCommands && envContext.ContainsKey(Constants.Variables.Actions.AllowUnsupportedCommands))
+            {
+                bool.TryParse(envContext[Constants.Variables.Actions.AllowUnsupportedCommands].ToString(), out allowUnsecureCommands);
+            }
+
+            // TODO: Eventually remove isHostedServer and apply this to dotcom customers as well
+            if (!isHostedServer && !allowUnsecureCommands)
+            {
+                throw new Exception(String.Format(Constants.Runner.UnsupportedCommandMessageDisabled, this.Command));
+            }
+            else if (!allowUnsecureCommands)
+            {
+                // Log Telemetry and let user know they shouldn't do this
+                var issue = new Issue()
+                {
+                    Type = IssueType.Error,
+                    Message = String.Format(Constants.Runner.UnsupportedCommandMessage, this.Command)
+                };
+                issue.Data[Constants.Runner.InternalTelemetryIssueDataKey] = Constants.Runner.UnsupportedCommand;
+                context.AddIssue(issue);
+            }
+
             if (!command.Properties.TryGetValue(SetEnvCommandProperties.Name, out string envName) || string.IsNullOrEmpty(envName))
             {
                 throw new Exception("Required field 'name' is missing in ##[set-env] command.");
             }
 
+
+            foreach (var blocked in _setEnvBlockList)
+            {
+                if (string.Equals(blocked, envName, StringComparison.OrdinalIgnoreCase))
+                {
+                    // Log Telemetry and let user know they shouldn't do this
+                    var issue = new Issue()
+                    {
+                        Type = IssueType.Error,
+                        Message = $"Can't update {blocked} environment variable using ::set-env:: command."
+                    };
+                    issue.Data[Constants.Runner.InternalTelemetryIssueDataKey] = $"{Constants.Runner.UnsupportedCommand}_{envName}";
+                    context.AddIssue(issue);
+
+                    return;
+                }
+            }
+
             context.Global.EnvironmentVariables[envName] = command.Data;
             context.SetEnvContext(envName, command.Data);
             context.Debug($"{envName}='{command.Data}'");
@@ -197,6 +250,11 @@ namespace GitHub.Runner.Worker
         {
             public const String Name = "name";
         }
+
+        private string[] _setEnvBlockList = 
+        {
+            "NODE_OPTIONS"
+        };
     }
 
     public sealed class SetOutputCommandExtension : RunnerService, IActionCommandExtension
@@ -282,6 +340,40 @@ namespace GitHub.Runner.Worker
 
         public void ProcessCommand(IExecutionContext context, string line, ActionCommand command, ContainerInfo container)
         {
+            var configurationStore = HostContext.GetService<IConfigurationStore>();
+            var isHostedServer = configurationStore.GetSettings().IsHostedServer;
+
+            var allowUnsecureCommands = false;
+            bool.TryParse(Environment.GetEnvironmentVariable(Constants.Variables.Actions.AllowUnsupportedCommands), out allowUnsecureCommands);
+
+            // Apply environment from env context, env context contains job level env and action's env block
+#if OS_WINDOWS
+            var envContext = context.ExpressionValues["env"] as DictionaryContextData;
+#else
+            var envContext = context.ExpressionValues["env"] as CaseSensitiveDictionaryContextData;
+#endif
+            if (!allowUnsecureCommands && envContext.ContainsKey(Constants.Variables.Actions.AllowUnsupportedCommands))
+            {
+                bool.TryParse(envContext[Constants.Variables.Actions.AllowUnsupportedCommands].ToString(), out allowUnsecureCommands);
+            }
+
+            // TODO: Eventually remove isHostedServer and apply this to dotcom customers as well
+            if (!isHostedServer && !allowUnsecureCommands)
+            {
+                throw new Exception(String.Format(Constants.Runner.UnsupportedCommandMessageDisabled, this.Command));
+            }
+            else if (!allowUnsecureCommands)
+            {
+                // Log Telemetry and let user know they shouldn't do this
+                var issue = new Issue()
+                {
+                    Type = IssueType.Error,
+                    Message = String.Format(Constants.Runner.UnsupportedCommandMessage, this.Command)
+                };
+                issue.Data[Constants.Runner.InternalTelemetryIssueDataKey] = Constants.Runner.UnsupportedCommand;
+                context.AddIssue(issue);
+            }
+
             ArgUtil.NotNullOrEmpty(command.Data, "path");
             context.Global.PrependPath.RemoveAll(x => string.Equals(x, command.Data, StringComparison.CurrentCulture));
             context.Global.PrependPath.Add(command.Data);

src/Runner.Worker/ActionManager.cs

@@ -492,7 +492,7 @@ namespace GitHub.Runner.Worker
                     }
                 }
             }
-            executionContext.Output("##[endgroup");
+            executionContext.Output("##[endgroup]");
 
             if (retryCount == 3 && pullExitCode != 0)
             {

src/Runner.Worker/ActionRunner.cs

@@ -135,6 +135,14 @@ namespace GitHub.Runner.Worker
                 ExecutionContext.SetGitHubContext("event_path", workflowFile);
             }
 
+            // Set GITHUB_ACTION_REPOSITORY if this Action is from a repository
+            if (Action.Reference is Pipelines.RepositoryPathReference repoPathReferenceAction &&
+                !string.Equals(repoPathReferenceAction.RepositoryType, Pipelines.PipelineConstants.SelfAlias, StringComparison.OrdinalIgnoreCase))
+            {
+                ExecutionContext.SetGitHubContext("action_repository", repoPathReferenceAction.Name);
+                ExecutionContext.SetGitHubContext("action_ref", repoPathReferenceAction.Ref);
+            }
+
             // Setup container stephost for running inside the container.
             if (ExecutionContext.Global.Container != null)
             {
@@ -145,6 +153,10 @@ namespace GitHub.Runner.Worker
                 stepHost = containerStepHost;
             }
 
+            // Setup File Command Manager
+            var fileCommandManager = HostContext.CreateService<IFileCommandManager>();
+            fileCommandManager.InitializeFiles(ExecutionContext, null);
+
             // Load the inputs.
             ExecutionContext.Debug("Loading inputs");
             var templateEvaluator = ExecutionContext.ToPipelineTemplateEvaluator();
@@ -238,7 +250,15 @@ namespace GitHub.Runner.Worker
             handler.PrintActionDetails(Stage);
 
             // Run the task.
-            await handler.RunAsync(Stage);
+            try 
+            {
+                await handler.RunAsync(Stage);
+            }
+            finally 
+            {
+                fileCommandManager.ProcessFiles(ExecutionContext, ExecutionContext.Global.Container);
+            }
+
         }
 
         public bool TryEvaluateDisplayName(DictionaryContextData contextData, IExecutionContext context)

src/Runner.Worker/Container/ContainerInfo.cs

@@ -34,6 +34,9 @@ namespace GitHub.Runner.Worker.Container
             _environmentVariables = container.Environment;
             this.IsJobContainer = isJobContainer;
             this.ContainerNetworkAlias = networkAlias;
+            this.RegistryAuthUsername = container.Credentials?.Username;
+            this.RegistryAuthPassword = container.Credentials?.Password;
+            this.RegistryServer = DockerUtil.ParseRegistryHostnameFromImageName(this.ContainerImage);
 
 #if OS_WINDOWS
             _pathMappings.Add(new PathMapping(hostContext.GetDirectory(WellKnownDirectory.Work), "C:\\__w"));
@@ -79,6 +82,9 @@ namespace GitHub.Runner.Worker.Container
         public string ContainerWorkDirectory { get; set; }
         public string ContainerCreateOptions { get; private set; }
         public string ContainerRuntimePath { get; set; }
+        public string RegistryServer { get; set; }
+        public string RegistryAuthUsername { get; set; }
+        public string RegistryAuthPassword { get; set; }
         public bool IsJobContainer { get; set; }
 
         public IDictionary<string, string> ContainerEnvironmentVariables

src/Runner.Worker/Container/DockerCommandManager.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading;
+using System.Threading.Channels;
 using System.Threading.Tasks;
 using GitHub.Runner.Common;
 using GitHub.Runner.Sdk;
@@ -17,6 +18,7 @@ namespace GitHub.Runner.Worker.Container
         string DockerInstanceLabel { get; }
         Task<DockerVersion> DockerVersion(IExecutionContext context);
         Task<int> DockerPull(IExecutionContext context, string image);
+        Task<int> DockerPull(IExecutionContext context, string image, string configFileDirectory);
         Task<int> DockerBuild(IExecutionContext context, string workingDirectory, string dockerFile, string dockerContext, string tag);
         Task<string> DockerCreate(IExecutionContext context, ContainerInfo container);
         Task<int> DockerRun(IExecutionContext context, ContainerInfo container, EventHandler<ProcessDataReceivedEventArgs> stdoutDataReceived, EventHandler<ProcessDataReceivedEventArgs> stderrDataReceived);
@@ -31,6 +33,7 @@ namespace GitHub.Runner.Worker.Container
         Task<int> DockerExec(IExecutionContext context, string containerId, string options, string command, List<string> outputs);
         Task<List<string>> DockerInspect(IExecutionContext context, string dockerObject, string options);
         Task<List<PortMapping>> DockerPort(IExecutionContext context, string containerId);
+        Task<int> DockerLogin(IExecutionContext context, string configFileDirectory, string registry, string username, string password);
     }
 
     public class DockerCommandManager : RunnerService, IDockerCommandManager
@@ -82,9 +85,18 @@ namespace GitHub.Runner.Worker.Container
             return new DockerVersion(serverVersion, clientVersion);
         }
 
-        public async Task<int> DockerPull(IExecutionContext context, string image)
+        public Task<int> DockerPull(IExecutionContext context, string image)
         {
-            return await ExecuteDockerCommandAsync(context, "pull", image, context.CancellationToken);
+            return DockerPull(context, image, null);
+        }
+
+        public async Task<int> DockerPull(IExecutionContext context, string image, string configFileDirectory)
+        {
+            if (string.IsNullOrEmpty(configFileDirectory))
+            {
+                return await ExecuteDockerCommandAsync(context, $"pull", image, context.CancellationToken);
+            }
+            return await ExecuteDockerCommandAsync(context, $"--config {configFileDirectory} pull", image, context.CancellationToken);
         }
 
         public async Task<int> DockerBuild(IExecutionContext context, string workingDirectory, string dockerFile, string dockerContext, string tag)
@@ -346,6 +358,28 @@ namespace GitHub.Runner.Worker.Container
             return DockerUtil.ParseDockerPort(portMappingLines);
         }
 
+        public Task<int> DockerLogin(IExecutionContext context, string configFileDirectory, string registry, string username, string password)
+        {
+            string args = $"--config {configFileDirectory} login {registry} -u {username} --password-stdin";
+            context.Command($"{DockerPath} {args}");
+
+            var input = Channel.CreateBounded<string>(new BoundedChannelOptions(1) { SingleReader = true, SingleWriter = true });
+            input.Writer.TryWrite(password);
+
+            var processInvoker = HostContext.CreateService<IProcessInvoker>();
+
+            return processInvoker.ExecuteAsync(
+                workingDirectory: context.GetGitHubContext("workspace"),
+                fileName: DockerPath,
+                arguments: args,
+                environment: null,
+                requireExitCodeZero: false,
+                outputEncoding: null,
+                killProcessOnCancel: false,
+                redirectStandardIn: input,
+                cancellationToken: context.CancellationToken);
+        }
+
         private Task<int> ExecuteDockerCommandAsync(IExecutionContext context, string command, string options, CancellationToken cancellationToken = default(CancellationToken))
         {
             return ExecuteDockerCommandAsync(context, command, options, null, cancellationToken);

src/Runner.Worker/Container/DockerUtil.cs

@@ -45,5 +45,21 @@ namespace GitHub.Runner.Worker.Container
             }
             return "";
         }
+
+        public static string ParseRegistryHostnameFromImageName(string name)
+        {
+            var nameSplit = name.Split('/');
+            // Single slash is implictly from Dockerhub, unless first part has .tld or :port
+            if (nameSplit.Length == 2 && (nameSplit[0].Contains(":") || nameSplit[0].Contains(".")))
+            {
+                return nameSplit[0];
+            }
+            // All other non Dockerhub registries
+            else if (nameSplit.Length > 2)
+            {
+                return nameSplit[0];
+            }
+            return "";
+        }
     }
 }

src/Runner.Worker/ContainerOperationProvider.cs

@@ -198,12 +198,18 @@ namespace GitHub.Runner.Worker
                 }
             }
 
+            // TODO: Add at a later date. This currently no local package registry to test with
+            // UpdateRegistryAuthForGitHubToken(executionContext, container);
+
+            // Before pulling, generate client authentication if required
+            var configLocation = await ContainerRegistryLogin(executionContext, container);
+
             // Pull down docker image with retry up to 3 times
             int retryCount = 0;
             int pullExitCode = 0;
             while (retryCount < 3)
             {
-                pullExitCode = await _dockerManger.DockerPull(executionContext, container.ContainerImage);
+                pullExitCode = await _dockerManger.DockerPull(executionContext, container.ContainerImage, configLocation);
                 if (pullExitCode == 0)
                 {
                     break;
@@ -220,6 +226,9 @@ namespace GitHub.Runner.Worker
                 }
             }
 
+            // Remove credentials after pulling
+            ContainerRegistryLogout(configLocation);
+
             if (retryCount == 3 && pullExitCode != 0)
             {
                 throw new InvalidOperationException($"Docker pull failed with exit code {pullExitCode}");
@@ -437,5 +446,83 @@ namespace GitHub.Runner.Worker
                 throw new InvalidOperationException($"Failed to initialize, {container.ContainerNetworkAlias} service is {serviceHealth}.");
             }
         }
+
+        private async Task<string> ContainerRegistryLogin(IExecutionContext executionContext, ContainerInfo container)
+        {
+            if (string.IsNullOrEmpty(container.RegistryAuthUsername) || string.IsNullOrEmpty(container.RegistryAuthPassword))
+            {
+                // No valid client config can be generated
+                return "";
+            }
+            var configLocation = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), $".docker_{Guid.NewGuid()}");
+            try
+            {
+                var dirInfo = Directory.CreateDirectory(configLocation);
+            }
+            catch (Exception e)
+            {
+                throw new InvalidOperationException($"Failed to create directory to store registry client credentials: {e.Message}");
+            }
+            var loginExitCode = await _dockerManger.DockerLogin(
+                executionContext,
+                configLocation,
+                container.RegistryServer,
+                container.RegistryAuthUsername,
+                container.RegistryAuthPassword);
+
+            if (loginExitCode != 0)
+            {
+                throw new InvalidOperationException($"Docker login for '{container.RegistryServer}' failed with exit code {loginExitCode}");
+            }
+            return configLocation;
+        }
+
+        private void ContainerRegistryLogout(string configLocation)
+        {
+            try
+            {
+                if (!string.IsNullOrEmpty(configLocation) && Directory.Exists(configLocation))
+                {
+                    Directory.Delete(configLocation, recursive: true);
+                }
+            }
+            catch (Exception e)
+            {
+                throw new InvalidOperationException($"Failed to remove directory containing Docker client credentials: {e.Message}");
+            }
+        }
+
+        private void UpdateRegistryAuthForGitHubToken(IExecutionContext executionContext, ContainerInfo container)
+        {
+            var registryIsTokenCompatible = container.RegistryServer.Equals("docker.pkg.github.com", StringComparison.OrdinalIgnoreCase);
+            if (!registryIsTokenCompatible)
+            {
+                return;
+            }
+
+            var registryMatchesWorkflow = false;
+
+            // REGISTRY/OWNER/REPO/IMAGE[:TAG]
+            var imageParts = container.ContainerImage.Split('/');
+            if (imageParts.Length != 4)
+            {
+                executionContext.Warning($"Could not identify owner and repo for container image {container.ContainerImage}. Skipping automatic token auth");
+                return;
+            }
+            var owner = imageParts[1];
+            var repo = imageParts[2];
+            var nwo = $"{owner}/{repo}";
+            if (nwo.Equals(executionContext.GetGitHubContext("repository"), StringComparison.OrdinalIgnoreCase))
+            {
+                registryMatchesWorkflow = true;
+            }
+
+            var registryCredentialsNotSupplied = string.IsNullOrEmpty(container.RegistryAuthUsername) && string.IsNullOrEmpty(container.RegistryAuthPassword);
+            if (registryCredentialsNotSupplied && registryMatchesWorkflow)
+            {
+                container.RegistryAuthUsername = executionContext.GetGitHubContext("actor");
+                container.RegistryAuthPassword = executionContext.GetGitHubContext("token");
+            }
+        }
     }
 }

src/Runner.Worker/ExecutionContext.cs

@@ -48,6 +48,7 @@ namespace GitHub.Runner.Worker
 
         Dictionary<string, string> IntraActionState { get; }
         Dictionary<string, VariableValue> JobOutputs { get; }
+        ActionsEnvironmentReference ActionsEnvironment { get; }
         DictionaryContextData ExpressionValues { get; }
         IList<IFunctionInfo> ExpressionFunctions { get; }
         JobContext JobContext { get; }
@@ -137,6 +138,8 @@ namespace GitHub.Runner.Worker
         public CancellationToken CancellationToken => _cancellationTokenSource.Token;
         public Dictionary<string, string> IntraActionState { get; private set; }
         public Dictionary<string, VariableValue> JobOutputs { get; private set; }
+
+        public ActionsEnvironmentReference ActionsEnvironment { get; private set; }
         public DictionaryContextData ExpressionValues { get; } = new DictionaryContextData();
         public IList<IFunctionInfo> ExpressionFunctions { get; } = new List<IFunctionInfo>();
 
@@ -252,7 +255,7 @@ namespace GitHub.Runner.Worker
 
         /// <summary>
         /// Helper function used in CompositeActionHandler::RunAsync to
-        /// add a child node, aka a step, to the current job to the Root.JobSteps based on the location. 
+        /// add a child node, aka a step, to the current job to the Root.JobSteps based on the location.
         /// </summary>
         public IStep CreateCompositeStep(
             string scopeName,
@@ -260,7 +263,7 @@ namespace GitHub.Runner.Worker
             DictionaryContextData inputsData,
             Dictionary<string, string> envData)
         {
-            step.ExecutionContext = Root.CreateChild(_record.Id, step.DisplayName, _record.Id.ToString("N"), scopeName, step.Action.ContextName, logger: _logger, insideComposite: true, cancellationTokenSource: CancellationTokenSource.CreateLinkedTokenSource(_cancellationTokenSource.Token));
+            step.ExecutionContext = Root.CreateChild(_record.Id, _record.Name, _record.Id.ToString("N"), scopeName, step.Action.ContextName, logger: _logger, insideComposite: true, cancellationTokenSource: CancellationTokenSource.CreateLinkedTokenSource(_cancellationTokenSource.Token));
             step.ExecutionContext.ExpressionValues["inputs"] = inputsData;
             step.ExecutionContext.ExpressionValues["steps"] = Global.StepsContext.GetScope(step.ExecutionContext.GetFullyQualifiedContextName());
 
@@ -378,14 +381,14 @@ namespace GitHub.Runner.Worker
 
             if (Root != this)
             {
-                // only dispose TokenSource for step level ExecutionContext 
+                // only dispose TokenSource for step level ExecutionContext
                 _cancellationTokenSource?.Dispose();
             }
 
             _logger.End();
 
-            // todo: Skip if generated context name. After M271-ish the server will never send an empty context name. Generated context names will start with "__"
-            if (!string.IsNullOrEmpty(ContextName))
+            // Skip if generated context name. Generated context names start with "__". After M271-ish the server will never send an empty context name.
+            if (!string.IsNullOrEmpty(ContextName) && !ContextName.StartsWith("__", StringComparison.Ordinal))
             {
                 Global.StepsContext.SetOutcome(ScopeName, ContextName, (Outcome ?? Result ?? TaskResult.Succeeded).ToActionResult());
                 Global.StepsContext.SetConclusion(ScopeName, ContextName, (Result ?? TaskResult.Succeeded).ToActionResult());
@@ -447,8 +450,8 @@ namespace GitHub.Runner.Worker
         {
             ArgUtil.NotNullOrEmpty(name, nameof(name));
 
-            // todo: Skip if generated context name. After M271-ish the server will never send an empty context name. Generated context names will start with "__"
-            if (string.IsNullOrEmpty(ContextName))
+            // Skip if generated context name. Generated context names start with "__". After M271-ish the server will never send an empty context name.
+            if (string.IsNullOrEmpty(ContextName) || ContextName.StartsWith("__", StringComparison.Ordinal))
             {
                 reference = null;
                 return;
@@ -611,6 +614,9 @@ namespace GitHub.Runner.Worker
             // Job Outputs
             JobOutputs = new Dictionary<string, VariableValue>(StringComparer.OrdinalIgnoreCase);
 
+            // Actions environment
+            ActionsEnvironment = message.ActionsEnvironment;
+
             // Service container info
             Global.ServiceContainers = new List<ContainerInfo>();
 
@@ -717,7 +723,7 @@ namespace GitHub.Runner.Worker
                 }
             }
 
-            _jobServerQueue.QueueWebConsoleLine(_record.Id, msg);
+            _jobServerQueue.QueueWebConsoleLine(_record.Id, msg, totalLines);
             return totalLines;
         }
 

src/Runner.Worker/FileCommandManager.cs

@@ -0,0 +1,262 @@
+using GitHub.DistributedTask.WebApi;
+using GitHub.Runner.Worker.Container;
+using GitHub.Runner.Common;
+using GitHub.Runner.Sdk;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace GitHub.Runner.Worker
+{
+    [ServiceLocator(Default = typeof(FileCommandManager))]
+    public interface IFileCommandManager : IRunnerService
+    {
+        void InitializeFiles(IExecutionContext context, ContainerInfo container);
+        void ProcessFiles(IExecutionContext context, ContainerInfo container);
+    
+    }
+
+    public sealed class FileCommandManager : RunnerService, IFileCommandManager
+    {
+        private const string _folderName = "_runner_file_commands";
+        private List<IFileCommandExtension> _commandExtensions;
+        private string _fileSuffix = String.Empty;
+        private string _fileCommandDirectory;
+        private Tracing _trace;
+
+        public override void Initialize(IHostContext hostContext)
+        {
+            base.Initialize(hostContext);
+            _trace = HostContext.GetTrace(nameof(FileCommandManager));
+
+            _fileCommandDirectory = Path.Combine(HostContext.GetDirectory(WellKnownDirectory.Temp), _folderName);
+            if (!Directory.Exists(_fileCommandDirectory))
+            {
+                Directory.CreateDirectory(_fileCommandDirectory);
+            }
+
+            var extensionManager = hostContext.GetService<IExtensionManager>();
+            _commandExtensions = extensionManager.GetExtensions<IFileCommandExtension>() ?? new List<IFileCommandExtension>();
+        }
+
+        public void InitializeFiles(IExecutionContext context, ContainerInfo container)
+        {
+            var oldSuffix = _fileSuffix;
+            _fileSuffix = Guid.NewGuid().ToString();
+            foreach (var fileCommand in _commandExtensions)
+            {
+                var oldPath = Path.Combine(_fileCommandDirectory, fileCommand.FilePrefix + oldSuffix);
+                if (oldSuffix != String.Empty && File.Exists(oldPath))
+                {
+                    TryDeleteFile(oldPath);
+                }
+
+                var newPath = Path.Combine(_fileCommandDirectory, fileCommand.FilePrefix + _fileSuffix);
+                TryDeleteFile(newPath);
+                File.Create(newPath).Dispose();
+
+                var pathToSet = container != null ? container.TranslateToContainerPath(newPath) : newPath; 
+                context.SetGitHubContext(fileCommand.ContextName, pathToSet);
+            }
+        }
+
+        public void ProcessFiles(IExecutionContext context, ContainerInfo container)
+        {
+            foreach (var fileCommand in _commandExtensions)
+            {
+                try 
+                {
+                    fileCommand.ProcessCommand(context, Path.Combine(_fileCommandDirectory, fileCommand.FilePrefix + _fileSuffix),container);
+                }
+                catch (Exception ex)
+                {
+                    context.Error($"Unable to process file command '{fileCommand.ContextName}' successfully.");
+                    context.Error(ex);
+                    context.CommandResult = TaskResult.Failed;
+                }
+            }
+        }
+
+        private bool TryDeleteFile(string path)
+        {
+            if (!File.Exists(path))
+            {
+                return true;
+            }
+            try
+            {
+                File.Delete(path);
+            }
+            catch (Exception e)
+            {
+                _trace.Warning($"Unable to delete file {path} for reason: {e.ToString()}");
+                return false;
+            }
+            return true;
+        }
+    }
+
+    public interface IFileCommandExtension : IExtension
+    {
+        string ContextName { get; }
+        string FilePrefix { get; }
+
+        void ProcessCommand(IExecutionContext context, string filePath, ContainerInfo container);
+    }
+
+    public sealed class AddPathFileCommand : RunnerService, IFileCommandExtension
+    {
+        public string ContextName => "path";
+        public string FilePrefix => "add_path_";
+
+        public Type ExtensionType => typeof(IFileCommandExtension);
+
+        public void ProcessCommand(IExecutionContext context, string filePath, ContainerInfo container)
+        {
+            if (File.Exists(filePath))
+            {
+                var lines = File.ReadAllLines(filePath, Encoding.UTF8);
+                foreach(var line in lines)
+                {
+                    if (line == string.Empty)
+                    {
+                        continue;
+                    }
+                    context.Global.PrependPath.RemoveAll(x => string.Equals(x, line, StringComparison.CurrentCulture));
+                    context.Global.PrependPath.Add(line);
+                }
+            }
+        }
+    }
+
+    public sealed class SetEnvFileCommand : RunnerService, IFileCommandExtension
+    {
+        public string ContextName => "env";
+        public string FilePrefix => "set_env_";
+
+        public Type ExtensionType => typeof(IFileCommandExtension);
+
+        public void ProcessCommand(IExecutionContext context, string filePath, ContainerInfo container)
+        {
+            try
+            {
+                var text = File.ReadAllText(filePath) ?? string.Empty;
+                var index = 0;
+                var line = ReadLine(text, ref index);
+                while (line != null)
+                {
+                    if (!string.IsNullOrEmpty(line))
+                    {
+                        var equalsIndex = line.IndexOf("=", StringComparison.Ordinal);
+                        var heredocIndex = line.IndexOf("<<", StringComparison.Ordinal);
+
+                        // Normal style NAME=VALUE
+                        if (equalsIndex >= 0 && (heredocIndex < 0 || equalsIndex < heredocIndex))
+                        {
+                            var split = line.Split(new[] { '=' }, 2, StringSplitOptions.None);
+                            if (string.IsNullOrEmpty(line))
+                            {
+                                throw new Exception($"Invalid environment variable format '{line}'. Environment variable name must not be empty");
+                            }
+                            SetEnvironmentVariable(context, split[0], split[1]);
+                        }
+                        // Heredoc style NAME<<EOF
+                        else if (heredocIndex >= 0 && (equalsIndex < 0 || heredocIndex < equalsIndex))
+                        {
+                            var split = line.Split(new[] { "<<" }, 2, StringSplitOptions.None);
+                            if (string.IsNullOrEmpty(split[0]) || string.IsNullOrEmpty(split[1]))
+                            {
+                                throw new Exception($"Invalid environment variable format '{line}'. Environment variable name must not be empty and delimiter must not be empty");
+                            }
+                            var name = split[0];
+                            var delimiter = split[1];
+                            var startIndex = index; // Start index of the value (inclusive)
+                            var endIndex = index;   // End index of the value (exclusive)
+                            var tempLine = ReadLine(text, ref index, out var newline);
+                            while (!string.Equals(tempLine, delimiter, StringComparison.Ordinal))
+                            {
+                                if (tempLine == null)
+                                {
+                                    throw new Exception($"Invalid environment variable value. Matching delimiter not found '{delimiter}'");
+                                }
+                                endIndex = index - newline.Length;
+                                tempLine = ReadLine(text, ref index, out newline);
+                            }
+
+                            var value = endIndex > startIndex ? text.Substring(startIndex, endIndex - startIndex) : string.Empty;
+                            SetEnvironmentVariable(context, name, value);
+                        }
+                        else
+                        {
+                            throw new Exception($"Invalid environment variable format '{line}'");
+                        }
+                    }
+
+                    line = ReadLine(text, ref index);
+                }
+            }
+            catch (DirectoryNotFoundException)
+            {
+                context.Debug($"Environment variables file does not exist '{filePath}'");
+            }
+            catch (FileNotFoundException)
+            {
+                context.Debug($"Environment variables file does not exist '{filePath}'");
+            }
+        }
+
+        private static void SetEnvironmentVariable(
+            IExecutionContext context,
+            string name,
+            string value)
+        {
+            context.Global.EnvironmentVariables[name] = value;
+            context.SetEnvContext(name, value);
+            context.Debug($"{name}='{value}'");
+        }
+
+        private static string ReadLine(
+            string text,
+            ref int index)
+        {
+            return ReadLine(text, ref index, out _);
+        }
+
+        private static string ReadLine(
+            string text,
+            ref int index,
+            out string newline)
+        {
+            if (index >= text.Length)
+            {
+                newline = null;
+                return null;
+            }
+
+            var originalIndex = index;
+            var lfIndex = text.IndexOf("\n", index, StringComparison.Ordinal);
+            if (lfIndex < 0)
+            {
+                index = text.Length;
+                newline = null;
+                return text.Substring(originalIndex);
+            }
+
+#if OS_WINDOWS
+            var crLFIndex = text.IndexOf("\r\n", index, StringComparison.Ordinal);
+            if (crLFIndex >= 0 && crLFIndex < lfIndex)
+            {
+                index = crLFIndex + 2; // Skip over CRLF
+                newline = "\r\n";
+                return text.Substring(originalIndex, crLFIndex - originalIndex);
+            }
+#endif
+
+            index = lfIndex + 1; // Skip over LF
+            newline = "\n";
+            return text.Substring(originalIndex, lfIndex - originalIndex);
+        }
+    }
+}

src/Runner.Worker/GitHubContext.cs

@@ -6,21 +6,26 @@ namespace GitHub.Runner.Worker
 {
     public sealed class GitHubContext : DictionaryContextData, IEnvironmentContextData
     {
-        private readonly HashSet<string> _contextEnvWhitelist = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+        private readonly HashSet<string> _contextEnvAllowlist = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
         {
             "action",
             "action_path",
+            "action_ref",
+            "action_repository",
             "actor",
             "api_url",
             "base_ref",
+            "env",
             "event_name",
             "event_path",
             "graphql_url",
             "head_ref",
             "job",
+            "path",
             "ref",
             "repository",
             "repository_owner",
+            "retention_days",
             "run_id",
             "run_number",
             "server_url",
@@ -33,11 +38,23 @@ namespace GitHub.Runner.Worker
         {
             foreach (var data in this)
             {
-                if (_contextEnvWhitelist.Contains(data.Key) && data.Value is StringContextData value)
+                if (_contextEnvAllowlist.Contains(data.Key) && data.Value is StringContextData value)
                 {
                     yield return new KeyValuePair<string, string>($"GITHUB_{data.Key.ToUpperInvariant()}", value);
                 }
             }
         }
+
+        public GitHubContext ShallowCopy()
+        {
+            var copy = new GitHubContext();
+
+            foreach (var pair in this)
+            {
+                copy[pair.Key] = pair.Value;
+            }
+
+            return copy;
+        }
     }
-}
+}

src/Runner.Worker/Handlers/CompositeActionHandler.cs

@@ -32,9 +32,6 @@ namespace GitHub.Runner.Worker.Handlers
             ArgUtil.NotNull(Inputs, nameof(Inputs));
             ArgUtil.NotNull(Data.Steps, nameof(Data.Steps));
 
-            var githubContext = ExecutionContext.ExpressionValues["github"] as GitHubContext;
-            ArgUtil.NotNull(githubContext, nameof(githubContext));
-
             // Resolve action steps
             var actionSteps = Data.Steps;
 
@@ -56,14 +53,6 @@ namespace GitHub.Runner.Worker.Handlers
                 childScopeName = $"__{Guid.NewGuid()}";
             }
 
-            // Copy the github context so that we don't modify the original pointer
-            // We can't use PipelineContextData.Clone() since that creates a null pointer exception for copying a GitHubContext
-            var compositeGitHubContext = new GitHubContext();
-            foreach (var pair in githubContext)
-            {
-                compositeGitHubContext[pair.Key] = pair.Value;
-            }
-
             foreach (Pipelines.ActionStep actionStep in actionSteps)
             {
                 var actionRunner = HostContext.CreateService<IActionRunner>();
@@ -73,8 +62,13 @@ namespace GitHub.Runner.Worker.Handlers
 
                 var step = ExecutionContext.CreateCompositeStep(childScopeName, actionRunner, inputsData, Environment);
 
+                // Shallow copy github context
+                var gitHubContext = step.ExecutionContext.ExpressionValues["github"] as GitHubContext;
+                ArgUtil.NotNull(gitHubContext, nameof(gitHubContext));
+                gitHubContext = gitHubContext.ShallowCopy();
+                step.ExecutionContext.ExpressionValues["github"] = gitHubContext;
+
                 // Set GITHUB_ACTION_PATH
-                step.ExecutionContext.ExpressionValues["github"] = compositeGitHubContext;
                 step.ExecutionContext.SetGitHubContext("action_path", ActionDirectory);
 
                 compositeSteps.Add(step);
@@ -90,6 +84,8 @@ namespace GitHub.Runner.Worker.Handlers
                 ExecutionContext.ExpressionValues["steps"] = ExecutionContext.Global.StepsContext.GetScope(ExecutionContext.GetFullyQualifiedContextName());
 
                 ProcessCompositeActionOutputs();
+
+                ExecutionContext.Global.StepsContext.ClearScope(childScopeName);
             }
             catch (Exception ex)
             {
@@ -135,12 +131,19 @@ namespace GitHub.Runner.Worker.Handlers
                     var outputsName = pair.Key;
                     var outputsAttributes = pair.Value as DictionaryContextData;
                     outputsAttributes.TryGetValue("value", out var val);
-                    var outputsValue = val as StringContextData;
 
-                    // Set output in the whole composite scope. 
-                    if (!String.IsNullOrEmpty(outputsName) && !String.IsNullOrEmpty(outputsValue))
+                    if (val != null)
                     {
-                        ExecutionContext.SetOutput(outputsName, outputsValue, out _);
+                        var outputsValue = val as StringContextData;
+                        // Set output in the whole composite scope. 
+                        if (!String.IsNullOrEmpty(outputsValue))
+                        {
+                            ExecutionContext.SetOutput(outputsName, outputsValue, out _);
+                        }
+                        else
+                        {
+                            ExecutionContext.SetOutput(outputsName, "", out _);
+                        }
                     }
                 }
             }

src/Runner.Worker/Handlers/ContainerActionHandler.cs

@@ -161,16 +161,21 @@ namespace GitHub.Runner.Worker.Handlers
             Directory.CreateDirectory(tempHomeDirectory);
             this.Environment["HOME"] = tempHomeDirectory;
 
+            var tempFileCommandDirectory = Path.Combine(tempDirectory, "_runner_file_commands");
+            ArgUtil.Directory(tempFileCommandDirectory, nameof(tempFileCommandDirectory));
+
             var tempWorkflowDirectory = Path.Combine(tempDirectory, "_github_workflow");
             ArgUtil.Directory(tempWorkflowDirectory, nameof(tempWorkflowDirectory));
 
             container.MountVolumes.Add(new MountVolume("/var/run/docker.sock", "/var/run/docker.sock"));
             container.MountVolumes.Add(new MountVolume(tempHomeDirectory, "/github/home"));
             container.MountVolumes.Add(new MountVolume(tempWorkflowDirectory, "/github/workflow"));
+            container.MountVolumes.Add(new MountVolume(tempFileCommandDirectory, "/github/file_commands"));
             container.MountVolumes.Add(new MountVolume(defaultWorkingDirectory, "/github/workspace"));
 
             container.AddPathTranslateMapping(tempHomeDirectory, "/github/home");
             container.AddPathTranslateMapping(tempWorkflowDirectory, "/github/workflow");
+            container.AddPathTranslateMapping(tempFileCommandDirectory, "/github/file_commands");
             container.AddPathTranslateMapping(defaultWorkingDirectory, "/github/workspace");
 
             container.ContainerWorkDirectory = "/github/workspace";

src/Runner.Worker/JobExtension.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Globalization;
@@ -74,6 +74,10 @@ namespace GitHub.Runner.Worker
                         {
                             // print out HostName for self-hosted runner
                             context.Output($"Runner name: '{setting.AgentName}'");
+                            if (message.Variables.TryGetValue("system.runnerGroupName", out VariableValue runnerGroupName))
+                            {
+                                context.Output($"Runner group name: '{runnerGroupName.Value}'");
+                            }
                             context.Output($"Machine name: '{Environment.MachineName}'");
                         }
                     }
@@ -361,6 +365,24 @@ namespace GitHub.Runner.Worker
                     context.Start();
                     context.Debug("Starting: Complete job");
 
+                    Trace.Info("Initialize Env context");
+
+#if OS_WINDOWS
+                    var envContext = new DictionaryContextData();
+#else
+                    var envContext = new CaseSensitiveDictionaryContextData();
+#endif
+                    context.ExpressionValues["env"] = envContext;
+                    foreach (var pair in context.Global.EnvironmentVariables)
+                    {
+                        envContext[pair.Key] = new StringContextData(pair.Value ?? string.Empty);
+                    }
+
+                    // Populate env context for each step
+                    Trace.Info("Initialize steps context");
+                    context.ExpressionValues["steps"] = context.Global.StepsContext.GetScope(context.ScopeName);
+
+                    var templateEvaluator = context.ToPipelineTemplateEvaluator();
                     // Evaluate job outputs
                     if (message.JobOutputs != null && message.JobOutputs.Type != TokenType.Null)
                     {
@@ -370,21 +392,7 @@ namespace GitHub.Runner.Worker
 
                             // Populate env context for each step
                             Trace.Info("Initialize Env context for evaluating job outputs");
-#if OS_WINDOWS
-                            var envContext = new DictionaryContextData();
-#else
-                            var envContext = new CaseSensitiveDictionaryContextData();
-#endif
-                            context.ExpressionValues["env"] = envContext;
-                            foreach (var pair in context.Global.EnvironmentVariables)
-                            {
-                                envContext[pair.Key] = new StringContextData(pair.Value ?? string.Empty);
-                            }
 
-                            Trace.Info("Initialize steps context for evaluating job outputs");
-                            context.ExpressionValues["steps"] = context.Global.StepsContext.GetScope(context.ScopeName);
-
-                            var templateEvaluator = context.ToPipelineTemplateEvaluator();
                             var outputs = templateEvaluator.EvaluateJobOutput(message.JobOutputs, context.ExpressionValues, context.ExpressionFunctions);
                             foreach (var output in outputs)
                             {
@@ -413,6 +421,34 @@ namespace GitHub.Runner.Worker
                         }
                     }
 
+                    // Evaluate environment data
+                    if (jobContext.ActionsEnvironment?.Url != null && jobContext.ActionsEnvironment?.Url.Type != TokenType.Null)
+                    {
+                        try
+                        {
+                            context.Output($"Evaluate and set environment url");
+
+                            var environmentUrlToken = templateEvaluator.EvaluateEnvironmentUrl(jobContext.ActionsEnvironment.Url, context.ExpressionValues, context.ExpressionFunctions);
+                            var environmentUrl = environmentUrlToken.AssertString("environment.url");
+                            if (!string.Equals(environmentUrl.Value, HostContext.SecretMasker.MaskSecrets(environmentUrl.Value)))
+                            {
+                                context.Warning($"Skip setting environment url as environment '{jobContext.ActionsEnvironment.Name}' may contain secret.");
+                            }
+                            else
+                            {
+                                context.Output($"Evaluated environment url: {environmentUrl}");
+                                jobContext.ActionsEnvironment.Url = environmentUrlToken;
+                            }
+                        }
+                        catch (Exception ex)
+                        {
+                            context.Result = TaskResult.Failed;
+                            context.Error($"Failed to evaluate environment url");
+                            context.Error(ex);
+                            jobContext.Result = TaskResultUtil.MergeTaskResults(jobContext.Result, TaskResult.Failed);
+                        }
+                    }
+
                     if (context.Global.Variables.GetBoolean(Constants.Variables.Actions.RunnerDebug) ?? false)
                     {
                         Trace.Info("Support log upload starting.");

src/Runner.Worker/JobRunner.cs

@@ -216,7 +216,7 @@ namespace GitHub.Runner.Worker
             }
 
             Trace.Info("Raising job completed event.");
-            var jobCompletedEvent = new JobCompletedEvent(message.RequestId, message.JobId, result, jobContext.JobOutputs);
+            var jobCompletedEvent = new JobCompletedEvent(message.RequestId, message.JobId, result, jobContext.JobOutputs, jobContext.ActionsEnvironment);
 
             var completeJobRetryLimit = 5;
             var exceptions = new List<Exception>();

src/Runner.Worker/StepsContext.cs

@@ -15,6 +15,14 @@ namespace GitHub.Runner.Worker
         private static readonly Regex _propertyRegex = new Regex("^[a-zA-Z_][a-zA-Z0-9_]*$", RegexOptions.Compiled);
         private readonly DictionaryContextData _contextData = new DictionaryContextData();
 
+        public void ClearScope(string scopeName)
+        {
+            if (_contextData.TryGetValue(scopeName, out _))
+            {
+                _contextData[scopeName] = new DictionaryContextData();
+            } 
+        }
+
         public DictionaryContextData GetScope(string scopeName)
         {
             if (scopeName == null)

src/Runner.Worker/StepsRunner.cs

@@ -104,16 +104,7 @@ namespace GitHub.Runner.Worker
                 if (step is IActionRunner actionStep)
                 {
                     // Set GITHUB_ACTION
-                    // Warning: Do not turn on FF DistributedTask.UseContextNameForGITHUBACTION until after M271-ish. After M271-ish
-                    // the server will never send an empty context name. Generated context names start with "__"
-                    if (step.ExecutionContext.Global.Variables.GetBoolean("DistributedTask.UseContextNameForGITHUBACTION") ?? false)
-                    {
-                        step.ExecutionContext.SetGitHubContext("action", actionStep.Action.Name);
-                    }
-                    else
-                    {
-                        step.ExecutionContext.SetGitHubContext("action", step.ExecutionContext.GetFullyQualifiedContextName());
-                    }
+                    step.ExecutionContext.SetGitHubContext("action", actionStep.Action.Name);
 
                     try
                     {

src/Sdk/DTObjectTemplating/ObjectTemplating/TemplateConstants.cs

@@ -52,6 +52,7 @@ namespace GitHub.DistributedTask.ObjectTemplating
         internal const String String = "string";
         internal const String StringDefinition = "string-definition";
         internal const String StringDefinitionProperties = "string-definition-properties";
+        internal const String StringRunnerContextNoSecrets = "string-runner-context-no-secrets";
         internal const String Structure = "structure";
         internal const String TemplateSchema = "template-schema";
         internal const String True = "true";

src/Sdk/DTPipelines/Pipelines/AgentJobRequestMessage.cs

@@ -41,7 +41,8 @@ namespace GitHub.DistributedTask.Pipelines
             IEnumerable<JobStep> steps,
             IList<String> fileTable,
             TemplateToken jobOutputs,
-            IList<TemplateToken> defaults)
+            IList<TemplateToken> defaults,
+            ActionsEnvironmentReference actionsEnvironment)
         {
             this.MessageType = JobRequestMessageTypes.PipelineAgentJobRequest;
             this.Plan = plan;
@@ -54,7 +55,7 @@ namespace GitHub.DistributedTask.Pipelines
             this.Resources = jobResources;
             this.Workspace = workspaceOptions;
             this.JobOutputs = jobOutputs;
-
+            this.ActionsEnvironment = actionsEnvironment;
             m_variables = new Dictionary<String, VariableValue>(variables, StringComparer.OrdinalIgnoreCase);
             m_maskHints = new List<MaskHint>(maskHints);
             m_steps = new List<JobStep>(steps);
@@ -228,6 +229,13 @@ namespace GitHub.DistributedTask.Pipelines
             }
         }
 
+        [DataMember(EmitDefaultValue = false)]
+        public ActionsEnvironmentReference ActionsEnvironment
+        {
+            get;
+            set;
+        }
+
         /// <summary>
         /// Gets the collection of variables associated with the current context.
         /// </summary>

src/Sdk/DTPipelines/Pipelines/JobContainer.cs

@@ -56,5 +56,36 @@ namespace GitHub.DistributedTask.Pipelines
             get;
             set;
         }
+
+        /// <summary>
+        /// Gets or sets the credentials used for pulling the container iamge.
+        /// </summary>
+        public ContainerRegistryCredentials Credentials
+        {
+            get;
+            set;
+        }
+    }
+
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public sealed class ContainerRegistryCredentials
+    {
+        /// <summary>
+        /// Gets or sets the user to authenticate to a registry with
+        /// </summary>
+        public String Username
+        {
+            get;
+            set;
+        }
+
+        /// <summary>
+        /// Gets or sets the password to authenticate to a registry with
+        /// </summary>
+        public String Password
+        {
+            get;
+            set;
+        }
     }
 }

src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateConstants.cs

@@ -14,8 +14,10 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Clean= "clean";
         public const String Container = "container";
         public const String ContinueOnError = "continue-on-error";
+        public const String Credentials = "credentials";
         public const String Defaults = "defaults";
         public const String Env = "env";
+        public const String Environment = "environment";
         public const String Event = "event";
         public const String EventPattern = "github.event";
         public const String Exclude = "exclude";
@@ -45,6 +47,7 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Options = "options";
         public const String Outputs = "outputs";
         public const String OutputsPattern = "needs.*.outputs";
+        public const String Password = "password";
         public const String Path = "path";
         public const String Pool = "pool";
         public const String Ports = "ports";
@@ -68,6 +71,7 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
         public const String Success = "success";
         public const String Template = "template";
         public const String TimeoutMinutes = "timeout-minutes";
+        public const String Username = "username";
         public const String Uses = "uses";
         public const String VmImage = "vmImage";
         public const String Volumes = "volumes";

src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateConverter.cs

@@ -209,6 +209,30 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
             return (Int32)numberToken.Value;
         }
 
+        internal static ContainerRegistryCredentials ConvertToContainerCredentials(TemplateToken token)
+        {
+            var credentials = token.AssertMapping(PipelineTemplateConstants.Credentials);
+            var result = new ContainerRegistryCredentials();
+            foreach (var credentialProperty in credentials)
+            {
+                var propertyName = credentialProperty.Key.AssertString($"{PipelineTemplateConstants.Credentials} key");
+                switch (propertyName.Value)
+                {
+                    case PipelineTemplateConstants.Username:
+                        result.Username = credentialProperty.Value.AssertString(PipelineTemplateConstants.Username).Value;
+                        break;
+                    case PipelineTemplateConstants.Password:
+                        result.Password = credentialProperty.Value.AssertString(PipelineTemplateConstants.Password).Value;
+                        break;
+                    default:
+                        propertyName.AssertUnexpectedValue($"{PipelineTemplateConstants.Credentials} key {propertyName}");
+                        break;
+                }
+            }
+
+            return result;
+        }
+
         internal static JobContainer ConvertToJobContainer(
             TemplateContext context,
             TemplateToken value,
@@ -275,6 +299,9 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
                             }
                             result.Volumes = volumeList;
                             break;
+                        case PipelineTemplateConstants.Credentials:
+                            result.Credentials = ConvertToContainerCredentials(containerPropertyPair.Value);
+                            break;
                         default:
                             propertyName.AssertUnexpectedValue($"{PipelineTemplateConstants.Container} key");
                             break;

src/Sdk/DTPipelines/Pipelines/ObjectTemplating/PipelineTemplateEvaluator.cs

@@ -279,6 +279,33 @@ namespace GitHub.DistributedTask.Pipelines.ObjectTemplating
             return result;
         }
 
+        public TemplateToken EvaluateEnvironmentUrl(
+            TemplateToken token,
+            DictionaryContextData contextData,
+            IList<IFunctionInfo> expressionFunctions)
+        {
+            var result = default(TemplateToken);
+            if (token != null && token.Type != TokenType.Null)
+            {
+                var context = CreateContext(contextData, expressionFunctions);
+                try
+                {
+                    token = TemplateEvaluator.Evaluate(context, TemplateConstants.StringRunnerContextNoSecrets, token, 0, null, omitHeader: true);
+                    context.Errors.Check();
+                    result = token.AssertString("environment.url");
+                }
+                catch (Exception ex) when (!(ex is TemplateValidationException))
+                {
+                    context.Errors.Add(ex);
+                }
+
+                context.Errors.Check();
+            }
+
+            return result;
+        }
+
+
         public Dictionary<String, String> EvaluateJobDefaultsRun(
             TemplateToken token,
             DictionaryContextData contextData,

src/Sdk/DTPipelines/workflow-v1.0.json

@@ -373,7 +373,8 @@
           "options": "non-empty-string",
           "env": "container-env",
           "ports": "sequence-of-non-empty-string",
-          "volumes": "sequence-of-non-empty-string"
+          "volumes": "sequence-of-non-empty-string",
+          "credentials": "container-registry-credentials"
         }
       }
     },
@@ -404,6 +405,20 @@
       ]
     },
 
+    "container-registry-credentials": {
+      "context": [
+        "secrets",
+        "env",
+        "github"
+      ],
+      "mapping": {
+        "properties": {
+          "username": "non-empty-string",
+          "password": "non-empty-string"
+        }
+      }
+    },
+
     "container-env": {
       "mapping": {
         "loose-key-type": "non-empty-string",
@@ -500,6 +515,20 @@
       "string": {}
     },
 
+    "string-runner-context-no-secrets": {
+      "context": [
+        "github",
+        "needs",
+        "strategy",
+        "matrix",
+        "steps",
+        "job",
+        "runner",
+        "env"
+      ],
+      "string": {}
+    },
+
     "string-steps-context": {
       "context": [
         "github",
@@ -516,4 +545,4 @@
       "string": {}
     }
   }
-}
+}

src/Sdk/DTWebApi/WebApi/ActionsEnvironmentReference.cs

@@ -0,0 +1,23 @@
+using System.Runtime.Serialization;
+using GitHub.DistributedTask.ObjectTemplating.Tokens;
+
+namespace GitHub.DistributedTask.WebApi
+{
+    /// <summary>
+    /// Information about an environment parsed from YML with evaluated name, URL will be evaluated on runner
+    /// </summary>
+    [DataContract]
+    public class ActionsEnvironmentReference
+    {
+        public ActionsEnvironmentReference(string name)
+        {
+            Name = name;
+        }
+
+        [DataMember(EmitDefaultValue = false)]
+        public string Name { get; set; }
+
+        [DataMember(EmitDefaultValue = false)]
+        public TemplateToken Url { get; set; }
+    }
+}

src/Sdk/DTWebApi/WebApi/JobEvent.cs

@@ -131,6 +131,17 @@ namespace GitHub.DistributedTask.WebApi
             this.Outputs = outputs;
         }
 
+        public JobCompletedEvent(
+            Int64 requestId,
+            Guid jobId,
+            TaskResult result,
+            Dictionary<String, VariableValue> outputs,
+            ActionsEnvironmentReference actionsEnvironment)
+            : this(requestId, jobId, result, outputs)
+        {
+            this.ActionsEnvironment = actionsEnvironment;
+        }
+
         [DataMember(EmitDefaultValue = false)]
         public Int64 RequestId
         {
@@ -151,6 +162,13 @@ namespace GitHub.DistributedTask.WebApi
             get;
             set;
         }
+
+        [DataMember(EmitDefaultValue = false)]
+        public ActionsEnvironmentReference ActionsEnvironment
+        {
+            get;
+            set;
+        }
     }
 
     [DataContract]

src/Sdk/DTWebApi/WebApi/TaskHttpClient.cs

@@ -50,7 +50,7 @@ namespace GitHub.DistributedTask.WebApi
             : base(baseUrl, pipeline, disposeHandler)
         {
         }
-
+        
         public Task AppendTimelineRecordFeedAsync(
             Guid scopeIdentifier,
             String planType,
@@ -91,6 +91,28 @@ namespace GitHub.DistributedTask.WebApi
                                                  userState,
                                                  cancellationToken);
         }
+        
+        public Task AppendTimelineRecordFeedAsync(
+            Guid scopeIdentifier,
+            String planType,
+            Guid planId,
+            Guid timelineId,
+            Guid recordId,
+            Guid stepId,
+            IList<String> lines,
+            long startLine,
+            CancellationToken cancellationToken = default(CancellationToken),
+            Object userState = null)
+        {
+            return AppendTimelineRecordFeedAsync(scopeIdentifier,
+                                                 planType,
+                                                 planId,
+                                                 timelineId,
+                                                 recordId,
+                                                 new TimelineRecordFeedLinesWrapper(stepId, lines, startLine),
+                                                 userState,
+                                                 cancellationToken);
+        }
 
         public async Task RaisePlanEventAsync<T>(
             Guid scopeIdentifier,

src/Sdk/DTWebApi/WebApi/TimelineRecordFeedLinesWrapper.cs

@@ -20,6 +20,12 @@ namespace GitHub.DistributedTask.WebApi
             this.Count = lines.Count;
         }
 
+        public TimelineRecordFeedLinesWrapper(Guid stepId, IList<string> lines, Int64 startLine)
+            : this(stepId, lines)
+        {
+            this.StartLine = startLine;
+        }
+
         [DataMember(Order = 0)]
         public Int32 Count { get; private set; }
 
@@ -31,5 +37,8 @@ namespace GitHub.DistributedTask.WebApi
 
         [DataMember(EmitDefaultValue = false)]
         public Guid StepId { get; set; }
+
+        [DataMember (EmitDefaultValue = false)]
+        public Int64? StartLine { get; private set; }
     }
 }

src/Sdk/DTWebApi/WebApi/TimelineRecordLogLine.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace GitHub.DistributedTask.WebApi
+{
+    [DataContract]
+    public sealed class TimelineRecordLogLine
+    {
+        public TimelineRecordLogLine(String line, long? lineNumber)
+        {
+            this.Line = line;
+            this.LineNumber = lineNumber;
+        }
+
+        [DataMember]
+        public String Line
+        {
+            get;
+            set;
+        }
+
+        [DataMember (EmitDefaultValue = false)]
+        public long? LineNumber
+        {
+            get;
+            set;
+        }
+    }
+}

src/Test/L0/Container/DockerUtilL0.cs

@@ -126,5 +126,23 @@ namespace GitHub.Runner.Common.Tests.Worker.Container
             Assert.NotNull(result5);
             Assert.Equal("/foo/bar:/baz", result5);
         }
+
+        [Theory]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        [InlineData("dockerhub/repo", "")]
+        [InlineData("localhost/doesnt_work", "")]
+        [InlineData("localhost:port/works", "localhost:port")]
+        [InlineData("host.tld/works", "host.tld")]
+        [InlineData("ghcr.io/owner/image", "ghcr.io")]
+        [InlineData("gcr.io/project/image", "gcr.io")]
+        [InlineData("myregistry.azurecr.io/namespace/image", "myregistry.azurecr.io")]
+        [InlineData("account.dkr.ecr.region.amazonaws.com/image", "account.dkr.ecr.region.amazonaws.com")]
+        [InlineData("docker.pkg.github.com/owner/repo/image", "docker.pkg.github.com")]
+        public void ParseRegistryHostnameFromImageName(string input, string expected)
+        {
+            var actual = DockerUtil.ParseRegistryHostnameFromImageName(input);
+            Assert.Equal(expected, actual);
+        }
     }
 }

src/Test/L0/Listener/JobDispatcherL0.cs

@@ -33,7 +33,7 @@ namespace GitHub.Runner.Common.Tests.Listener
             TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
             TimelineReference timeline = null;
             Guid jobId = Guid.NewGuid();
-            var result = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "someJob", "someJob", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+            var result = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "someJob", "someJob", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
             result.ContextData["github"] = new Pipelines.ContextData.DictionaryContextData();
             return result;
         }

src/Test/L0/Listener/RunnerL0.cs

@@ -43,7 +43,7 @@ namespace GitHub.Runner.Common.Tests.Listener
             TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
             TimelineReference timeline = null;
             Guid jobId = Guid.NewGuid();
-            return new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "test", "test", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+            return new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "test", "test", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
         }
 
         private JobCancelMessage CreateJobCancelMessage()

src/Test/L0/RunnerWebProxyL0.cs

@@ -1,4 +1,4 @@
-using GitHub.Runner.Common.Util;
+using GitHub.Runner.Common.Util;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -127,11 +127,11 @@ namespace GitHub.Runner.Common.Tests
                 Environment.SetEnvironmentVariable("no_proxy", "github.com, google.com,");
                 var proxy = new RunnerWebProxy();
 
-                Assert.Equal("http://127.0.0.1:8888/", proxy.HttpProxyAddress);
+                Assert.Equal("http://127.0.0.1:8888", proxy.HttpProxyAddress);
                 Assert.Null(proxy.HttpProxyUsername);
                 Assert.Null(proxy.HttpProxyPassword);
 
-                Assert.Equal("http://user:pass@127.0.0.1:9999/", proxy.HttpsProxyAddress);
+                Assert.Equal("http://user:pass@127.0.0.1:9999", proxy.HttpsProxyAddress);
                 Assert.Equal("user", proxy.HttpsProxyUsername);
                 Assert.Equal("pass", proxy.HttpsProxyPassword);
 
@@ -161,11 +161,11 @@ namespace GitHub.Runner.Common.Tests
                 Environment.SetEnvironmentVariable("NO_PROXY", "github.com, google.com,");
                 var proxy = new RunnerWebProxy();
 
-                Assert.Equal("http://127.0.0.1:7777/", proxy.HttpProxyAddress);
+                Assert.Equal("http://127.0.0.1:7777", proxy.HttpProxyAddress);
                 Assert.Null(proxy.HttpProxyUsername);
                 Assert.Null(proxy.HttpProxyPassword);
 
-                Assert.Equal("http://user:pass@127.0.0.1:8888/", proxy.HttpsProxyAddress);
+                Assert.Equal("http://user:pass@127.0.0.1:8888", proxy.HttpsProxyAddress);
                 Assert.Equal("user", proxy.HttpsProxyUsername);
                 Assert.Equal("pass", proxy.HttpsProxyPassword);
 
@@ -218,19 +218,19 @@ namespace GitHub.Runner.Common.Tests
                 Environment.SetEnvironmentVariable("no_proxy", "github.com, google.com,");
                 var proxy = new RunnerWebProxy();
 
-                Assert.Equal("http://user1@127.0.0.1:8888/", proxy.HttpProxyAddress);
+                Assert.Equal("http://user1@127.0.0.1:8888", proxy.HttpProxyAddress);
                 Assert.Equal("user1", proxy.HttpProxyUsername);
                 Assert.Null(proxy.HttpProxyPassword);
 
-                var cred = proxy.Credentials.GetCredential(new Uri("http://user1@127.0.0.1:8888/"), "Basic");
+                var cred = proxy.Credentials.GetCredential(new Uri("http://user1@127.0.0.1:8888"), "Basic");
                 Assert.Equal("user1", cred.UserName);
                 Assert.Equal(string.Empty, cred.Password);
 
-                Assert.Equal("http://user2:pass@127.0.0.1:9999/", proxy.HttpsProxyAddress);
+                Assert.Equal("http://user2:pass@127.0.0.1:9999", proxy.HttpsProxyAddress);
                 Assert.Equal("user2", proxy.HttpsProxyUsername);
                 Assert.Equal("pass", proxy.HttpsProxyPassword);
 
-                cred = proxy.Credentials.GetCredential(new Uri("http://user2:pass@127.0.0.1:9999/"), "Basic");
+                cred = proxy.Credentials.GetCredential(new Uri("http://user2:pass@127.0.0.1:9999"), "Basic");
                 Assert.Equal("user2", cred.UserName);
                 Assert.Equal("pass", cred.Password);
 
@@ -256,19 +256,19 @@ namespace GitHub.Runner.Common.Tests
                 Environment.SetEnvironmentVariable("no_proxy", "github.com, google.com,");
                 var proxy = new RunnerWebProxy();
 
-                Assert.Equal("http://user1:pass1%40@127.0.0.1:8888/", proxy.HttpProxyAddress);
+                Assert.Equal("http://user1:pass1%40@127.0.0.1:8888", proxy.HttpProxyAddress);
                 Assert.Equal("user1", proxy.HttpProxyUsername);
                 Assert.Equal("pass1@", proxy.HttpProxyPassword);
 
-                var cred = proxy.Credentials.GetCredential(new Uri("http://user1:pass1%40@127.0.0.1:8888/"), "Basic");
+                var cred = proxy.Credentials.GetCredential(new Uri("http://user1:pass1%40@127.0.0.1:8888"), "Basic");
                 Assert.Equal("user1", cred.UserName);
                 Assert.Equal("pass1@", cred.Password);
 
-                Assert.Equal("http://user2:pass2%40@127.0.0.1:9999/", proxy.HttpsProxyAddress);
+                Assert.Equal("http://user2:pass2%40@127.0.0.1:9999", proxy.HttpsProxyAddress);
                 Assert.Equal("user2", proxy.HttpsProxyUsername);
                 Assert.Equal("pass2@", proxy.HttpsProxyPassword);
 
-                cred = proxy.Credentials.GetCredential(new Uri("http://user2:pass2%40@127.0.0.1:9999/"), "Basic");
+                cred = proxy.Credentials.GetCredential(new Uri("http://user2:pass2%40@127.0.0.1:9999"), "Basic");
                 Assert.Equal("user2", cred.UserName);
                 Assert.Equal("pass2@", cred.Password);
 
@@ -405,6 +405,36 @@ namespace GitHub.Runner.Common.Tests
             }
         }
 
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Common")]
+        public void WebProxyFromEnvironmentVariablesWithPort80()
+        {
+            try
+            {
+                Environment.SetEnvironmentVariable("http_proxy", "http://127.0.0.1:80");
+                Environment.SetEnvironmentVariable("https_proxy", "http://user:pass@127.0.0.1:80");
+                Environment.SetEnvironmentVariable("no_proxy", "github.com, google.com,");
+                var proxy = new RunnerWebProxy();
+
+                Assert.Equal("http://127.0.0.1:80", Environment.GetEnvironmentVariable("http_proxy"));
+                Assert.Null(proxy.HttpProxyUsername);
+                Assert.Null(proxy.HttpProxyPassword);
+
+                Assert.Equal("http://user:pass@127.0.0.1:80", Environment.GetEnvironmentVariable("https_proxy"));
+                Assert.Equal("user", proxy.HttpsProxyUsername);
+                Assert.Equal("pass", proxy.HttpsProxyPassword);
+
+                Assert.Equal(2, proxy.NoProxyList.Count);
+                Assert.Equal("github.com", proxy.NoProxyList[0].Host);
+                Assert.Equal("google.com", proxy.NoProxyList[1].Host);
+            }
+            finally
+            {
+                CleanProxyEnv();
+            }
+        }
+
         private void CleanProxyEnv()
         {
             Environment.SetEnvironmentVariable("http_proxy", null);

src/Test/L0/ServiceInterfacesL0.cs

@@ -60,6 +60,7 @@ namespace GitHub.Runner.Common.Tests
             {
                 typeof(IActionCommandExtension),
                 typeof(IExecutionContext),
+                typeof(IFileCommandExtension),
                 typeof(IHandler),
                 typeof(IJobExtension),
                 typeof(IStep),

src/Test/L0/Worker/ActionCommandManagerL0.cs

@@ -148,7 +148,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 TimelineReference timeline = new TimelineReference();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
-                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
                 jobRequest.Resources.Repositories.Add(new Pipelines.RepositoryResource()
                 {
                     Alias = Pipelines.PipelineConstants.SelfAlias,

src/Test/L0/Worker/ActionRunnerL0.cs

@@ -32,6 +32,8 @@ namespace GitHub.Runner.Common.Tests.Worker
         private TestHostContext _hc;
         private ActionRunner _actionRunner;
         private IActionManifestManager _actionManifestManager;
+        private Mock<IFileCommandManager> _fileCommandManager;
+
         private DictionaryContextData _context = new DictionaryContextData();
 
         [Fact]
@@ -362,6 +364,7 @@ namespace GitHub.Runner.Common.Tests.Worker
             _handlerFactory = new Mock<IHandlerFactory>();
             _defaultStepHost = new Mock<IDefaultStepHost>();
             _actionManifestManager = new ActionManifestManager();
+            _fileCommandManager = new Mock<IFileCommandManager>();
             _actionManifestManager.Initialize(_hc);
 
             var githubContext = new GitHubContext();
@@ -394,6 +397,8 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _hc.EnqueueInstance<IDefaultStepHost>(_defaultStepHost.Object);
 
+            _hc.EnqueueInstance(_fileCommandManager.Object);
+
             // Instance to test.
             _actionRunner = new ActionRunner();
             _actionRunner.Initialize(_hc);

src/Test/L0/Worker/ExecutionContextL0.cs

@@ -26,7 +26,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 TimelineReference timeline = new TimelineReference();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
-                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
                 jobRequest.Resources.Repositories.Add(new Pipelines.RepositoryResource()
                 {
                     Alias = Pipelines.PipelineConstants.SelfAlias,
@@ -102,7 +102,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 TimelineReference timeline = new TimelineReference();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
-                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
                 jobRequest.Resources.Repositories.Add(new Pipelines.RepositoryResource()
                 {
                     Alias = Pipelines.PipelineConstants.SelfAlias,
@@ -116,7 +116,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var pagingLogger = new Mock<IPagingLogger>();
                 var jobServerQueue = new Mock<IJobServerQueue>();
                 jobServerQueue.Setup(x => x.QueueTimelineRecordUpdate(It.IsAny<Guid>(), It.IsAny<TimelineRecord>()));
-                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>())).Callback((Guid id, string msg) => { hc.GetTrace().Info(msg); });
+                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(),It.IsAny<long>())).Callback((Guid id, string msg, long? lineNumber) => { hc.GetTrace().Info(msg); });
 
                 hc.EnqueueInstance(pagingLogger.Object);
                 hc.SetSingleton(jobServerQueue.Object);
@@ -137,7 +137,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 ec.Complete();
 
-                jobServerQueue.Verify(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>()), Times.Exactly(10));
+                jobServerQueue.Verify(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(), It.IsAny<long?>()), Times.Exactly(10));
             }
         }
 
@@ -153,7 +153,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 TimelineReference timeline = new TimelineReference();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
-                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
                 jobRequest.Resources.Repositories.Add(new Pipelines.RepositoryResource()
                 {
                     Alias = Pipelines.PipelineConstants.SelfAlias,
@@ -171,7 +171,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var pagingLogger5 = new Mock<IPagingLogger>();
                 var jobServerQueue = new Mock<IJobServerQueue>();
                 jobServerQueue.Setup(x => x.QueueTimelineRecordUpdate(It.IsAny<Guid>(), It.IsAny<TimelineRecord>()));
-                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>())).Callback((Guid id, string msg) => { hc.GetTrace().Info(msg); });
+                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(), It.IsAny<long?>())).Callback((Guid id, string msg, long? lineNumber) => { hc.GetTrace().Info(msg); });
 
                 var actionRunner1 = new ActionRunner();
                 actionRunner1.Initialize(hc);
@@ -251,7 +251,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 TimelineReference timeline = new TimelineReference();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
-                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
                 jobRequest.Resources.Repositories.Add(new Pipelines.RepositoryResource()
                 {
                     Alias = Pipelines.PipelineConstants.SelfAlias,
@@ -269,7 +269,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var pagingLogger5 = new Mock<IPagingLogger>();
                 var jobServerQueue = new Mock<IJobServerQueue>();
                 jobServerQueue.Setup(x => x.QueueTimelineRecordUpdate(It.IsAny<Guid>(), It.IsAny<TimelineRecord>()));
-                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>())).Callback((Guid id, string msg) => { hc.GetTrace().Info(msg); });
+                jobServerQueue.Setup(x => x.QueueWebConsoleLine(It.IsAny<Guid>(), It.IsAny<string>(), It.IsAny<long?>())).Callback((Guid id, string msg, long? lineNumber) => { hc.GetTrace().Info(msg); });
 
                 var actionRunner1 = new ActionRunner();
                 actionRunner1.Initialize(hc);
@@ -335,7 +335,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 TimelineReference timeline = new TimelineReference();
                 Guid jobId = Guid.NewGuid();
                 string jobName = "some job name";
-                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+                var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, jobName, jobName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
                 jobRequest.Resources.Repositories.Add(new Pipelines.RepositoryResource()
                 {
                     Alias = Pipelines.PipelineConstants.SelfAlias,

src/Test/L0/Worker/JobExtensionL0.cs

@@ -8,6 +8,7 @@ using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using Xunit;
 using System.Threading;
+using GitHub.DistributedTask.ObjectTemplating.Tokens;
 using Pipelines = GitHub.DistributedTask.Pipelines;
 
 namespace GitHub.Runner.Common.Tests.Worker
@@ -98,7 +99,7 @@ namespace GitHub.Runner.Common.Tests.Worker
             };
 
             Guid jobId = Guid.NewGuid();
-            _message = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "test", "test", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), steps, null, null, null);
+            _message = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, "test", "test", null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), steps, null, null, null, null);
             GitHubContext github = new GitHubContext();
             github["repository"] = new Pipelines.ContextData.StringContextData("actions/runner");
             _message.ContextData.Add("github", github);
@@ -281,5 +282,70 @@ namespace GitHub.Runner.Common.Tests.Worker
                     Times.Never);
             }
         }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void EnsureFinalizeJobRunsIfMessageHasNoEnvironmentUrl()
+        {
+            using (TestHostContext hc = CreateTestContext())
+            {
+                var jobExtension = new JobExtension();
+                jobExtension.Initialize(hc);
+
+                _message.ActionsEnvironment = new ActionsEnvironmentReference("production");
+
+                _jobEc = new Runner.Worker.ExecutionContext {Result = TaskResult.Succeeded};
+                _jobEc.Initialize(hc);
+                _jobEc.InitializeJob(_message, _tokenSource.Token);
+
+                jobExtension.FinalizeJob(_jobEc, _message, DateTime.UtcNow);
+
+                Assert.Equal(TaskResult.Succeeded, _jobEc.Result);
+            }
+        }
+
+        [Fact] [Trait("Level", "L0")] [Trait("Category", "Worker")]
+        public void EnsureFinalizeJobHandlesNullEnvironmentUrl()
+        {
+            using (TestHostContext hc = CreateTestContext())
+            {
+                var jobExtension = new JobExtension();
+                jobExtension.Initialize(hc);
+
+                _message.ActionsEnvironment = new ActionsEnvironmentReference("production")
+                {
+                    Url = null
+                };
+
+                _jobEc = new Runner.Worker.ExecutionContext {Result = TaskResult.Succeeded};
+                _jobEc.Initialize(hc);
+                _jobEc.InitializeJob(_message, _tokenSource.Token);
+
+                jobExtension.FinalizeJob(_jobEc, _message, DateTime.UtcNow);
+
+                Assert.Equal(TaskResult.Succeeded, _jobEc.Result);
+            }
+        }
+
+        [Fact] [Trait("Level", "L0")] [Trait("Category", "Worker")]
+        public void EnsureFinalizeJobHandlesNullEnvironment()
+        {
+            using (TestHostContext hc = CreateTestContext())
+            {
+                var jobExtension = new JobExtension();
+                jobExtension.Initialize(hc);
+
+                _message.ActionsEnvironment = null;
+
+                _jobEc = new Runner.Worker.ExecutionContext {Result = TaskResult.Succeeded};
+                _jobEc.Initialize(hc);
+                _jobEc.InitializeJob(_message, _tokenSource.Token);
+
+                jobExtension.FinalizeJob(_jobEc, _message, DateTime.UtcNow);
+
+                Assert.Equal(TaskResult.Succeeded, _jobEc.Result);
+            }
+        }
     }
 }

src/Test/L0/Worker/JobRunnerL0.cs

@@ -60,7 +60,7 @@ namespace GitHub.Runner.Common.Tests.Worker
             TaskOrchestrationPlanReference plan = new TaskOrchestrationPlanReference();
             TimelineReference timeline = new Timeline(Guid.NewGuid());
             Guid jobId = Guid.NewGuid();
-            _message = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, testName, testName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null);
+            _message = new Pipelines.AgentJobRequestMessage(plan, timeline, jobId, testName, testName, null, null, null, new Dictionary<string, VariableValue>(), new List<MaskHint>(), new Pipelines.JobResources(), new Pipelines.ContextData.DictionaryContextData(), new Pipelines.WorkspaceOptions(), new List<Pipelines.ActionStep>(), null, null, null, null);
             _message.Variables[Constants.Variables.System.Culture] = "en-US";
             _message.Resources.Endpoints.Add(new ServiceEndpoint()
             {

src/Test/L0/Worker/SetEnvFileCommandL0.cs

@@ -0,0 +1,390 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Runtime.CompilerServices;
+using GitHub.Runner.Common.Util;
+using GitHub.Runner.Sdk;
+using GitHub.Runner.Worker;
+using GitHub.Runner.Worker.Container;
+using GitHub.Runner.Worker.Handlers;
+using Moq;
+using Xunit;
+using DTWebApi = GitHub.DistributedTask.WebApi;
+
+namespace GitHub.Runner.Common.Tests.Worker
+{
+    public sealed class SetEnvFileCommandL0
+    {
+        private Mock<IExecutionContext> _executionContext;
+        private List<Tuple<DTWebApi.Issue, string>> _issues;
+        private string _rootDirectory;
+        private SetEnvFileCommand _setEnvFileCommand;
+        private ITraceWriter _trace;
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_DirectoryNotFound()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "directory-not-found", "env");
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(0, _executionContext.Object.Global.EnvironmentVariables.Count);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_NotFound()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "file-not-found");
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(0, _executionContext.Object.Global.EnvironmentVariables.Count);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_EmptyFile()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "empty-file");
+                var content = new List<string>();
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(0, _executionContext.Object.Global.EnvironmentVariables.Count);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Simple()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "simple");
+                var content = new List<string>
+                {
+                    "MY_ENV=MY VALUE",
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal("MY VALUE", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Simple_SkipEmptyLines()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "simple");
+                var content = new List<string>
+                {
+                    string.Empty,
+                    "MY_ENV=my value",
+                    string.Empty,
+                    "MY_ENV_2=my second value",
+                    string.Empty,
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(2, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal("my value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+                Assert.Equal("my second value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Simple_EmptyValue()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "simple-empty-value");
+                var content = new List<string>
+                {
+                    "MY_ENV=",
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal(string.Empty, _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Simple_MultipleValues()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "simple");
+                var content = new List<string>
+                {
+                    "MY_ENV=my value",
+                    "MY_ENV_2=",
+                    "MY_ENV_3=my third value",
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(3, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal("my value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+                Assert.Equal(string.Empty, _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
+                Assert.Equal("my third value", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_3"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Simple_SpecialCharacters()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "simple");
+                var content = new List<string>
+                {
+                    "MY_ENV==abc",
+                    "MY_ENV_2=def=ghi",
+                    "MY_ENV_3=jkl=",
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(3, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal("=abc", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+                Assert.Equal("def=ghi", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
+                Assert.Equal("jkl=", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_3"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Heredoc()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "heredoc");
+                var content = new List<string>
+                {
+                    "MY_ENV<<EOF",
+                    "line one",
+                    "line two",
+                    "line three",
+                    "EOF",
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal($"line one{Environment.NewLine}line two{Environment.NewLine}line three", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Heredoc_EmptyValue()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "heredoc");
+                var content = new List<string>
+                {
+                    "MY_ENV<<EOF",
+                    "EOF",
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal(string.Empty, _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Heredoc_SkipEmptyLines()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "heredoc");
+                var content = new List<string>
+                {
+                    string.Empty,
+                    "MY_ENV<<EOF",
+                    "hello",
+                    "world",
+                    "EOF",
+                    string.Empty,
+                    "MY_ENV_2<<EOF",
+                    "HELLO",
+                    "AGAIN",
+                    "EOF",
+                    string.Empty,
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(2, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal($"hello{Environment.NewLine}world", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+                Assert.Equal($"HELLO{Environment.NewLine}AGAIN", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
+            }
+        }
+
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Heredoc_SpecialCharacters()
+        {
+            using (var hostContext = Setup())
+            {
+                var envFile = Path.Combine(_rootDirectory, "heredoc");
+                var content = new List<string>
+                {
+                    "MY_ENV<<=EOF",
+                    "hello",
+                    "one",
+                    "=EOF",
+                    "MY_ENV_2<<<EOF",
+                    "hello",
+                    "two",
+                    "<EOF",
+                    "MY_ENV_3<<EOF",
+                    "hello",
+                    string.Empty,
+                    "three",
+                    string.Empty,
+                    "EOF",
+                    "MY_ENV_4<<EOF",
+                    "hello=four",
+                    "EOF",
+                    "MY_ENV_5<<EOF",
+                    " EOF",
+                    "EOF",
+                };
+                WriteContent(envFile, content);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(5, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal($"hello{Environment.NewLine}one", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+                Assert.Equal($"hello{Environment.NewLine}two", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_2"]);
+                Assert.Equal($"hello{Environment.NewLine}{Environment.NewLine}three{Environment.NewLine}", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_3"]);
+                Assert.Equal($"hello=four", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_4"]);
+                Assert.Equal($" EOF", _executionContext.Object.Global.EnvironmentVariables["MY_ENV_5"]);
+            }
+        }
+
+#if OS_WINDOWS
+        [Fact]
+        [Trait("Level", "L0")]
+        [Trait("Category", "Worker")]
+        public void SetEnvFileCommand_Heredoc_PreservesNewline()
+        {
+            using (var hostContext = Setup())
+            {
+                var newline = "\n";
+                var envFile = Path.Combine(_rootDirectory, "heredoc");
+                var content = new List<string>
+                {
+                    "MY_ENV<<EOF",
+                    "hello",
+                    "world",
+                    "EOF",
+                };
+                WriteContent(envFile, content, newline: newline);
+                _setEnvFileCommand.ProcessCommand(_executionContext.Object, envFile, null);
+                Assert.Equal(0, _issues.Count);
+                Assert.Equal(1, _executionContext.Object.Global.EnvironmentVariables.Count);
+                Assert.Equal($"hello{newline}world", _executionContext.Object.Global.EnvironmentVariables["MY_ENV"]);
+            }
+        }
+#endif
+
+        private void WriteContent(
+            string path,
+            List<string> content,
+            string newline = null)
+        {
+            if (string.IsNullOrEmpty(newline))
+            {
+                newline = Environment.NewLine;
+            }
+
+            var encoding = new UTF8Encoding(true); // Emit BOM
+            var contentStr = string.Join(newline, content);
+            File.WriteAllText(path, contentStr, encoding);
+        }
+
+        private TestHostContext Setup([CallerMemberName] string name = "")
+        {
+            _issues = new List<Tuple<DTWebApi.Issue, string>>();
+
+            var hostContext = new TestHostContext(this, name);
+
+            // Trace
+            _trace = hostContext.GetTrace();
+
+            // Directory for test data
+            var workDirectory = hostContext.GetDirectory(WellKnownDirectory.Work);
+            ArgUtil.NotNullOrEmpty(workDirectory, nameof(workDirectory));
+            Directory.CreateDirectory(workDirectory);
+            _rootDirectory = Path.Combine(workDirectory, nameof(SetEnvFileCommandL0));
+            Directory.CreateDirectory(_rootDirectory);
+
+            // Execution context
+            _executionContext = new Mock<IExecutionContext>();
+            _executionContext.Setup(x => x.Global)
+                .Returns(new GlobalContext
+                {
+                    EnvironmentVariables = new Dictionary<string, string>(VarUtil.EnvironmentVariableKeyComparer),
+                    WriteDebug = true,
+                });
+            _executionContext.Setup(x => x.AddIssue(It.IsAny<DTWebApi.Issue>(), It.IsAny<string>()))
+                .Callback((DTWebApi.Issue issue, string logMessage) =>
+                {
+                    _issues.Add(new Tuple<DTWebApi.Issue, string>(issue, logMessage));
+                    var message = !string.IsNullOrEmpty(logMessage) ? logMessage : issue.Message;
+                    _trace.Info($"Issue '{issue.Type}': {message}");
+                });
+            _executionContext.Setup(x => x.Write(It.IsAny<string>(), It.IsAny<string>()))
+                .Callback((string tag, string message) =>
+                {
+                    _trace.Info($"{tag}{message}");
+                });
+
+            // SetEnvFileCommand
+            _setEnvFileCommand = new SetEnvFileCommand();
+            _setEnvFileCommand.Initialize(hostContext);
+
+            return hostContext;
+        }
+    }
+}

src/Test/L0/Worker/StepsRunnerL0.cs

@@ -44,7 +44,7 @@ namespace GitHub.Runner.Common.Tests.Worker
 
             _contexts = new DictionaryContextData();
             _jobContext = new JobContext();
-            _contexts["github"] = new DictionaryContextData();
+            _contexts["github"] = new GitHubContext();
             _contexts["runner"] = new DictionaryContextData();
             _contexts["job"] = _jobContext;
             _ec.Setup(x => x.ExpressionValues).Returns(_contexts);
@@ -602,7 +602,12 @@ namespace GitHub.Runner.Common.Tests.Worker
             var stepContext = new Mock<IExecutionContext>();
             stepContext.SetupAllProperties();
             stepContext.Setup(x => x.Global).Returns(() => _ec.Object.Global);
-            stepContext.Setup(x => x.ExpressionValues).Returns(new DictionaryContextData());
+            var expressionValues = new DictionaryContextData();
+            foreach (var pair in _ec.Object.ExpressionValues)
+            {
+                expressionValues[pair.Key] = pair.Value;
+            }
+            stepContext.Setup(x => x.ExpressionValues).Returns(expressionValues);
             stepContext.Setup(x => x.ExpressionFunctions).Returns(new List<IFunctionInfo>());
             stepContext.Setup(x => x.JobContext).Returns(_jobContext);
             stepContext.Setup(x => x.ContextName).Returns(step.Object.Action.ContextName);

src/Test/L0/Worker/WorkerL0.cs

@@ -67,7 +67,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                     new Pipelines.ContextData.DictionaryContextData()
                 },
             };
-            var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, JobId, jobName, jobName, new StringToken(null, null, null, "ubuntu"), sidecarContainers, null, variables, new List<MaskHint>(), resources, context, null, actions, null, null, null);
+            var jobRequest = new Pipelines.AgentJobRequestMessage(plan, timeline, JobId, jobName, jobName, new StringToken(null, null, null, "ubuntu"), sidecarContainers, null, variables, new List<MaskHint>(), resources, context, null, actions, null, null, null, null);
             return jobRequest;
         }
 

src/dev.sh

@@ -17,7 +17,7 @@ LAYOUT_DIR="$SCRIPT_DIR/../_layout"
 DOWNLOAD_DIR="$SCRIPT_DIR/../_downloads/netcore2x"
 PACKAGE_DIR="$SCRIPT_DIR/../_package"
 DOTNETSDK_ROOT="$SCRIPT_DIR/../_dotnetsdk"
-DOTNETSDK_VERSION="3.1.100"
+DOTNETSDK_VERSION="3.1.302"
 DOTNETSDK_INSTALLDIR="$DOTNETSDK_ROOT/$DOTNETSDK_VERSION"
 RUNNER_VERSION=$(cat runnerversion)
 

src/global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "3.1.100"
+    "version": "3.1.302"
   }
-}
+}

src/runnerversion

@@ -1 +1 @@
-2.272.0
+2.274.0