c

The build warnings were of these type (mostly reported by xUnit's Code Analyzers):
- Fixed wrong parameter order in xUnit assertions (can lead to poor error reporting in test failures)
- Unused code was removed
- Correct assertions were used (e.g. Assert.True/.Contains/.EndsWith)
- Public non-test methods on test classes were made private

docs/contribute.md

@@ -1,12 +1,12 @@
-# Contribute (Dev)
+# Contribution guide for developers
 
-## Dev Dependencies
+## Required Dev Dependencies
 
 ![Win](res/win_sm.png) Git for Windows [Install Here](https://git-scm.com/downloads) (needed for dev sh script)
 
-## Build, Test, Layout 
+## To Build, Test, Layout 
 
-From src:
+Navigate to the `src` directory and run the following command:
 
 ![Win](res/win_sm.png) `dev {command}`  
 
@@ -14,13 +14,12 @@ From src:
   
 **Commands:**  
 
-`layout` (`l`):  Run first time to create a full agent layout in {root}/_layout  
+* `layout` (`l`):  Run first time to create a full agent layout in `{root}/_layout`
+* `build` (`b`):   Build everything and update agent layout folder
+* `test` (`t`):    Build agent binaries and run unit tests
 
-`build` (`b`):   build everything and update agent layout folder  
+Sample developer flow:
 
-`test` (`t`):    build agent binaries and run unit tests  
-
-Normal dev flow:
 ```bash
 git clone https://github.com/actions/runner
 cd ./src
@@ -37,5 +36,5 @@ cd ./src
 
 ## Styling
 
-We use the dotnet foundation and CoreCLR style guidelines [located here](
+We use the .NET Foundation and CoreCLR style guidelines [located here](
 https://github.com/dotnet/corefx/blob/master/Documentation/coding-guidelines/coding-style.md)

src/Misc/dotnet-install.ps1

@@ -37,10 +37,7 @@
 .PARAMETER SharedRuntime
     This parameter is obsolete and may be removed in a future version of this script.
     The recommended alternative is '-Runtime dotnet'.
-
-    Default: false
     Installs just the shared runtime bits, not the entire SDK.
-    This is equivalent to specifying `-Runtime dotnet`.
 .PARAMETER Runtime
     Installs just a shared runtime, not the entire SDK.
     Possible values:
@@ -77,11 +74,15 @@
     Skips installing non-versioned files if they already exist, such as dotnet.exe.
 .PARAMETER NoCdn
     Disable downloading from the Azure CDN, and use the uncached feed directly.
+.PARAMETER JSonFile
+    Determines the SDK version from a user specified global.json file
+    Note: global.json must have a value for 'SDK:Version'
 #>
 [cmdletbinding()]
 param(
    [string]$Channel="LTS",
    [string]$Version="Latest",
+   [string]$JSonFile,
    [string]$InstallDir="<auto>",
    [string]$Architecture="<auto>",
    [ValidateSet("dotnet", "aspnetcore", "windowsdesktop", IgnoreCase = $false)]
@@ -258,7 +259,6 @@ function GetHTTPResponse([Uri] $Uri)
     })
 }
 
-
 function Get-Latest-Version-Info([string]$AzureFeed, [string]$Channel, [bool]$Coherent) {
     Say-Invocation $MyInvocation
 
@@ -304,20 +304,64 @@ function Get-Latest-Version-Info([string]$AzureFeed, [string]$Channel, [bool]$Co
     return $VersionInfo
 }
 
-
+function Parse-Jsonfile-For-Version([string]$JSonFile) {
-function Get-Specific-Version-From-Version([string]$AzureFeed, [string]$Channel, [string]$Version) {
     Say-Invocation $MyInvocation
 
-    switch ($Version.ToLower()) {
+    If (-Not (Test-Path $JSonFile)) {
-        { $_ -eq "latest" } {
+        throw "Unable to find '$JSonFile'"
-            $LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $False
+        exit 0
-            return $LatestVersionInfo.Version
+    }
+    try {
+        $JSonContent = Get-Content($JSonFile) -Raw | ConvertFrom-Json | Select-Object -expand "sdk" -ErrorAction SilentlyContinue
+    }
+    catch {
+        throw "Json file unreadable: '$JSonFile'"
+        exit 0
+    }
+    if ($JSonContent) {
+        try {
+            $JSonContent.PSObject.Properties | ForEach-Object {
+                $PropertyName = $_.Name
+                if ($PropertyName -eq "version") {
+                    $Version = $_.Value
+                    Say-Verbose "Version = $Version"
+                }
+            }
         }
-        { $_ -eq "coherent" } {
+        catch {
-            $LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $True
+            throw "Unable to parse the SDK node in '$JSonFile'"
-            return $LatestVersionInfo.Version
+            exit 0
         }
-        default { return $Version }
+    }
+    else {
+        throw "Unable to find the SDK node in '$JSonFile'"
+        exit 0
+    }
+    If ($Version -eq $null) {
+        throw "Unable to find the SDK:version node in '$JSonFile'"
+        exit 0
+    }
+    return $Version
+}
+
+function Get-Specific-Version-From-Version([string]$AzureFeed, [string]$Channel, [string]$Version, [string]$JSonFile) {
+    Say-Invocation $MyInvocation
+
+    if (-not $JSonFile) {
+        switch ($Version.ToLower()) {
+            { $_ -eq "latest" } {
+                $LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $False
+                return $LatestVersionInfo.Version
+            }
+            { $_ -eq "coherent" } {
+                $LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $True
+                return $LatestVersionInfo.Version
+            }
+            default { return $Version }
+        }
+    }
+    else {
+        return Parse-Jsonfile-For-Version $JSonFile
     }
 }
 
@@ -382,23 +426,6 @@ function Resolve-Installation-Path([string]$InstallDir) {
     return $InstallDir
 }
 
-function Get-Version-Info-From-Version-File([string]$InstallRoot, [string]$RelativePathToVersionFile) {
-    Say-Invocation $MyInvocation
-
-    $VersionFile = Join-Path -Path $InstallRoot -ChildPath $RelativePathToVersionFile
-    Say-Verbose "Local version file: $VersionFile"
-
-    if (Test-Path $VersionFile) {
-        $VersionText = cat $VersionFile
-        Say-Verbose "Local version file text: $VersionText"
-        return Get-Version-Info-From-Version-Text $VersionText
-    }
-
-    Say-Verbose "Local version file not found."
-
-    return $null
-}
-
 function Is-Dotnet-Package-Installed([string]$InstallRoot, [string]$RelativePathToPackage, [string]$SpecificVersion) {
     Say-Invocation $MyInvocation
 
@@ -534,7 +561,7 @@ 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 $Version
+$SpecificVersion = Get-Specific-Version-From-Version -AzureFeed $AzureFeed -Channel $Channel -Version $Version -JSonFile $JSonFile
 $DownloadLink = Get-Download-Link -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
 $LegacyDownloadLink = Get-LegacyDownload-Link -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
 

src/Misc/dotnet-install.sh

@@ -435,11 +435,52 @@ get_latest_version_info() {
     return $?
 }
 
+# args:
+# json_file - $1
+parse_jsonfile_for_version() {
+    eval $invocation
+
+    local json_file="$1"
+    if [ ! -f "$json_file" ]; then
+        say_err "Unable to find \`$json_file\`"
+        return 1
+    fi
+
+    sdk_section=$(cat $json_file | awk '/"sdk"/,/}/')
+    if [ -z "$sdk_section" ]; then
+        say_err "Unable to parse the SDK node in \`$json_file\`"
+        return 1
+    fi
+
+    sdk_list=$(echo $sdk_section | awk -F"[{}]" '{print $2}')
+    sdk_list=${sdk_list//[\" ]/}
+    sdk_list=${sdk_list//,/$'\n'}
+    sdk_list="$(echo -e "${sdk_list}" | tr -d '[[:space:]]')"
+
+    local version_info=""
+    while read -r line; do
+      IFS=:
+      while read -r key value; do
+        if [[ "$key" == "version" ]]; then
+          version_info=$value
+        fi
+      done <<< "$line"
+    done <<< "$sdk_list"
+    if [ -z "$version_info" ]; then
+        say_err "Unable to find the SDK:version node in \`$json_file\`"
+        return 1
+    fi
+
+    echo "$version_info"
+    return 0
+}
+
 # args:
 # azure_feed - $1
 # channel - $2
 # normalized_architecture - $3
 # version - $4
+# json_file - $5
 get_specific_version_from_version() {
     eval $invocation
 
@@ -447,27 +488,35 @@ get_specific_version_from_version() {
     local channel="$2"
     local normalized_architecture="$3"
     local version="$(to_lowercase "$4")"
+    local json_file="$5"
 
-    case "$version" in
+    if [ -z "$json_file" ]; then
-        latest)
+        case "$version" in
-            local version_info
+            latest)
-            version_info="$(get_latest_version_info "$azure_feed" "$channel" "$normalized_architecture" false)" || return 1
+                local version_info
-            say_verbose "get_specific_version_from_version: version_info=$version_info"
+                version_info="$(get_latest_version_info "$azure_feed" "$channel" "$normalized_architecture" false)" || return 1
-            echo "$version_info" | get_version_from_version_info
+                say_verbose "get_specific_version_from_version: version_info=$version_info"
-            return 0
+                echo "$version_info" | get_version_from_version_info
-            ;;
+                return 0
-        coherent)
+                ;;
-            local version_info
+            coherent)
-            version_info="$(get_latest_version_info "$azure_feed" "$channel" "$normalized_architecture" true)" || return 1
+                local version_info
-            say_verbose "get_specific_version_from_version: version_info=$version_info"
+                version_info="$(get_latest_version_info "$azure_feed" "$channel" "$normalized_architecture" true)" || return 1
-            echo "$version_info" | get_version_from_version_info
+                say_verbose "get_specific_version_from_version: version_info=$version_info"
-            return 0
+                echo "$version_info" | get_version_from_version_info
-            ;;
+                return 0
-        *)
+                ;;
-            echo "$version"
+            *)
-            return 0
+                echo "$version"
-            ;;
+                return 0
-    esac
+                ;;
+        esac
+    else
+        local version_info
+        version_info="$(parse_jsonfile_for_version "$json_file")" || return 1
+        echo "$version_info"
+        return 0
+    fi
 }
 
 # args:
@@ -558,24 +607,6 @@ resolve_installation_path() {
     return 0
 }
 
-# args:
-# install_root - $1
-get_installed_version_info() {
-    eval $invocation
-
-    local install_root="$1"
-    local version_file="$(combine_paths "$install_root" "$local_version_file_relative_path")"
-    say_verbose "Local version file: $version_file"
-    if [ ! -z "$version_file" ] | [ -r "$version_file" ]; then
-        local version_info="$(cat "$version_file")"
-        echo "$version_info"
-        return 0
-    fi
-
-    say_verbose "Local version file not found."
-    return 0
-}
-
 # args:
 # relative_or_absolute_path - $1
 get_absolute_path() {
@@ -724,7 +755,7 @@ calculate_vars() {
     normalized_architecture="$(get_normalized_architecture_from_architecture "$architecture")"
     say_verbose "normalized_architecture=$normalized_architecture"
 
-    specific_version="$(get_specific_version_from_version "$azure_feed" "$channel" "$normalized_architecture" "$version")"
+    specific_version="$(get_specific_version_from_version "$azure_feed" "$channel" "$normalized_architecture" "$version" "$json_file")"
     say_verbose "specific_version=$specific_version"
     if [ -z "$specific_version" ]; then
         say_err "Could not resolve version information."
@@ -826,6 +857,7 @@ temporary_file_template="${TMPDIR:-/tmp}/dotnet.XXXXXXXXX"
 
 channel="LTS"
 version="Latest"
+json_file=""
 install_dir="<auto>"
 architecture="<auto>"
 dry_run=false
@@ -912,6 +944,10 @@ do
             runtime_id="$1"
             non_dynamic_parameters+=" $name "\""$1"\"""
             ;;
+        --jsonfile|-[Jj][Ss]on[Ff]ile)
+            shift
+            json_file="$1"
+            ;;
         --skip-non-versioned-files|-[Ss]kip[Nn]on[Vv]ersioned[Ff]iles)
             override_non_versioned_files=false
             non_dynamic_parameters+=" $name"
@@ -953,22 +989,25 @@ do
             echo "          Possible values:"
             echo "          - dotnet     - the Microsoft.NETCore.App shared runtime"
             echo "          - aspnetcore - the Microsoft.AspNetCore.App shared runtime"
-            echo "  --skip-non-versioned-files         Skips non-versioned files if they already exist, such as the dotnet executable."
-            echo "      -SkipNonVersionedFiles"
             echo "  --dry-run,-DryRun                  Do not perform installation. Display download link."
             echo "  --no-path, -NoPath                 Do not set PATH for the current process."
             echo "  --verbose,-Verbose                 Display diagnostics information."
             echo "  --azure-feed,-AzureFeed            Azure feed location. Defaults to $azure_feed, This parameter typically is not changed by the user."
             echo "  --uncached-feed,-UncachedFeed      Uncached feed location. This parameter typically is not changed by the user."
-            echo "  --no-cdn,-NoCdn                    Disable downloading from the Azure CDN, and use the uncached feed directly."
             echo "  --feed-credential,-FeedCredential  Azure feed shared access token. This parameter typically is not specified."
+            echo "  --skip-non-versioned-files         Skips non-versioned files if they already exist, such as the dotnet executable."
+            echo "      -SkipNonVersionedFiles"
+            echo "  --no-cdn,-NoCdn                    Disable downloading from the Azure CDN, and use the uncached feed directly."
+            echo "  --jsonfile <JSONFILE>              Determines the SDK version from a user specified global.json file."
+            echo "                                     Note: global.json must have a value for 'SDK:Version'"
             echo "  --runtime-id                       Installs the .NET Tools for the given platform (use linux-x64 for portable linux)."
             echo "      -RuntimeId"
             echo "  -?,--?,-h,--help,-Help             Shows this help message"
             echo ""
             echo "Obsolete parameters:"
             echo "  --shared-runtime                   The recommended alternative is '--runtime dotnet'."
-            echo "      -SharedRuntime                 Installs just the shared runtime bits, not the entire SDK."
+            echo "                                     This parameter is obsolete and may be removed in a future version of this script."
+            echo "                                     Installs just the shared runtime bits, not the entire SDK."
             echo ""
             echo "Install Location:"
             echo "  Location is chosen in following order:"

src/Misc/externals.sh

@@ -146,3 +146,9 @@ fi
 if [[ "$PACKAGERUNTIME" == "linux-arm" ]]; then
     acquireExternalTool "$NODE_URL/v${NODE12_VERSION}/node-v${NODE12_VERSION}-linux-armv7l.tar.gz" node12 fix_nested_dir
 fi
+
+if [[ "$PACKAGERUNTIME" == "linux-arm64" ]]; then
+    acquireExternalTool "$NODE_URL/v${NODE12_VERSION}/node-v${NODE12_VERSION}-linux-arm64.tar.gz" node12 fix_nested_dir
+
+    ## TODO: alpine arm64 version node.js
+fi

src/Runner.Common/Runner.Common.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -57,6 +57,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -66,4 +69,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Runner.Common/Util/VarUtil.cs

@@ -54,6 +54,8 @@ namespace GitHub.Runner.Common.Util
                         return "X64";
                     case Constants.Architecture.Arm:
                         return "ARM";
+                    case Constants.Architecture.Arm64:
+                        return "ARM64";    
                     default:
                         throw new NotSupportedException(); // Should never reach here.
                 }

src/Runner.Listener/Runner.Listener.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -60,6 +60,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -69,4 +72,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Runner.PluginHost/Runner.PluginHost.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -53,6 +53,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -62,4 +65,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Runner.Plugins/Runner.Plugins.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -49,6 +49,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -58,4 +61,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Runner.Sdk/Runner.Sdk.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Library</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -54,6 +54,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -63,4 +66,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Runner.Worker/ActionCommandManager.cs

@@ -541,7 +541,6 @@ namespace GitHub.Runner.Worker
                     break;
                 default:
                     throw new Exception($"Invalid echo command value. Possible values can be: 'on', 'off'. Current value is: '{command.Data}'.");
-                    break;
             }
         }
     }

src/Runner.Worker/ActionRunner.cs

@@ -94,7 +94,21 @@ namespace GitHub.Runner.Worker
                 {
                     postDisplayName = $"Post {this.DisplayName}";
                 }
-                ExecutionContext.RegisterPostJobAction(postDisplayName, handlerData.CleanupCondition, Action);
+
+                var repositoryReference = Action.Reference as RepositoryPathReference;
+                var pathString = string.IsNullOrEmpty(repositoryReference.Path) ? string.Empty : $"/{repositoryReference.Path}";
+                var repoString = string.IsNullOrEmpty(repositoryReference.Ref) ? $"{repositoryReference.Name}{pathString}" :
+                    $"{repositoryReference.Name}{pathString}@{repositoryReference.Ref}";
+
+                ExecutionContext.Debug($"Register post job cleanup for action: {repoString}");
+
+                var actionRunner = HostContext.CreateService<IActionRunner>();
+                actionRunner.Action = Action;
+                actionRunner.Stage = ActionRunStage.Post;
+                actionRunner.Condition = handlerData.CleanupCondition;
+                actionRunner.DisplayName = postDisplayName;
+
+                ExecutionContext.RegisterPostJobStep($"{actionRunner.Action.Name}_post", actionRunner);
             }
 
             IStepHost stepHost = HostContext.CreateService<IDefaultStepHost>();

src/Runner.Worker/Container/DockerCommandManager.cs

@@ -276,7 +276,9 @@ namespace GitHub.Runner.Worker.Container
             return await ExecuteDockerCommandAsync(context, "exec", $"{options} {containerId} {command}", context.CancellationToken);
         }
 
+#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously (method has async logic on only certain platforms)
         public async Task<int> DockerExec(IExecutionContext context, string containerId, string options, string command, List<string> output)
+#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
         {
             ArgUtil.NotNull(output, nameof(output));
 
@@ -337,7 +339,9 @@ namespace GitHub.Runner.Worker.Container
             return ExecuteDockerCommandAsync(context, command, options, null, cancellationToken);
         }
 
+#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously (method has async logic on only certain platforms)
         private async Task<int> ExecuteDockerCommandAsync(IExecutionContext context, string command, string options, IDictionary<string, string> environment, EventHandler<ProcessDataReceivedEventArgs> stdoutDataReceived, EventHandler<ProcessDataReceivedEventArgs> stderrDataReceived, CancellationToken cancellationToken = default(CancellationToken))
+#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
         {
             string arg = $"{command} {options}".Trim();
             context.Command($"{DockerPath} {arg}");
@@ -362,7 +366,9 @@ namespace GitHub.Runner.Worker.Container
 #endif
         }
 
+#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously (method has async logic on only certain platforms)
         private async Task<int> ExecuteDockerCommandAsync(IExecutionContext context, string command, string options, string workingDirectory, CancellationToken cancellationToken = default(CancellationToken))
+#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
         {
             string arg = $"{command} {options}".Trim();
             context.Command($"{DockerPath} {arg}");

src/Runner.Worker/ContainerOperationProvider.cs

@@ -11,6 +11,7 @@ using GitHub.Runner.Common;
 using GitHub.Runner.Sdk;
 using GitHub.DistributedTask.Pipelines.ContextData;
 using Microsoft.Win32;
+using GitHub.DistributedTask.Pipelines.ObjectTemplating;
 
 namespace GitHub.Runner.Worker
 {
@@ -38,6 +39,14 @@ namespace GitHub.Runner.Worker
             List<ContainerInfo> containers = data as List<ContainerInfo>;
             ArgUtil.NotNull(containers, nameof(containers));
 
+            var postJobStep = new JobExtensionRunner(runAsync: this.StopContainersAsync,
+                                                condition: $"{PipelineTemplateConstants.Always}()",
+                                                displayName: "Stop containers",
+                                                data: data);
+            
+            executionContext.Debug($"Register post job cleanup for stoping/deleting containers.");
+            executionContext.RegisterPostJobStep(nameof(StopContainersAsync), postJobStep);
+
             // Check whether we are inside a container.
             // Our container feature requires to map working directory from host to the container.
             // If we are already inside a container, we will not able to find out the real working direcotry path on the host.

src/Runner.Worker/DiagnosticLogManager.cs

@@ -31,7 +31,9 @@ namespace GitHub.Runner.Worker
     public sealed class DiagnosticLogManager : RunnerService, IDiagnosticLogManager
     {
         private static string DateTimeFormat = "yyyyMMdd-HHmmss";
+#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously (method has async logic on only certain platforms)
         public async Task UploadDiagnosticLogsAsync(IExecutionContext executionContext,
+#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
                                                 IExecutionContext parentContext, 
                                                 Pipelines.AgentJobRequestMessage message,
                                                 DateTime jobStartTimeUtc)

src/Runner.Worker/ExecutionContext.cs

@@ -98,7 +98,7 @@ namespace GitHub.Runner.Worker
 
         // others
         void ForceTaskComplete();
-        void RegisterPostJobAction(string displayName, string condition, Pipelines.ActionStep action);
+        void RegisterPostJobStep(string refName, IStep step);
     }
 
     public sealed class ExecutionContext : RunnerService, IExecutionContext
@@ -240,27 +240,10 @@ namespace GitHub.Runner.Worker
             });
         }
 
-        public void RegisterPostJobAction(string displayName, string condition, Pipelines.ActionStep action)
+        public void RegisterPostJobStep(string refName, IStep step)
         {
-            if (action.Reference.Type != ActionSourceType.Repository)
+            step.ExecutionContext = Root.CreatePostChild(step.DisplayName, refName, IntraActionState);
-            {
+            Root.PostJobSteps.Push(step);
-                throw new NotSupportedException("Only action that has `action.yml` can define post job execution.");
-            }
-
-            var repositoryReference = action.Reference as RepositoryPathReference;
-            var pathString = string.IsNullOrEmpty(repositoryReference.Path) ? string.Empty : $"/{repositoryReference.Path}";
-            var repoString = string.IsNullOrEmpty(repositoryReference.Ref) ? $"{repositoryReference.Name}{pathString}" :
-                $"{repositoryReference.Name}{pathString}@{repositoryReference.Ref}";
-
-            this.Debug($"Register post job cleanup for action: {repoString}");
-
-            var actionRunner = HostContext.CreateService<IActionRunner>();
-            actionRunner.Action = action;
-            actionRunner.Stage = ActionRunStage.Post;
-            actionRunner.Condition = condition;
-            actionRunner.DisplayName = displayName;
-            actionRunner.ExecutionContext = Root.CreatePostChild(displayName, $"{actionRunner.Action.Name}_post", IntraActionState);
-            Root.PostJobSteps.Push(actionRunner);
         }
 
         public IExecutionContext CreateChild(Guid recordId, string displayName, string refName, string scopeName, string contextName, Dictionary<string, string> intraActionState = null, int? recordOrder = null)

src/Runner.Worker/Handlers/ContainerActionHandler.cs

@@ -22,7 +22,9 @@ namespace GitHub.Runner.Worker.Handlers
     {
         public ContainerActionExecutionData Data { get; set; }
 
+#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously (method has async logic on only certain platforms)
         public async Task RunAsync(ActionRunStage stage)
+#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
         {
             // Validate args.
             Trace.Entering();

src/Runner.Worker/JobExtension.cs

@@ -110,9 +110,7 @@ namespace GitHub.Runner.Worker
                         }
                     }
 
-                    // Build up 3 lists of steps, pre-job, job, post-job
+                    // Build up 2 lists of steps, pre-job, job
-                    var postJobStepsBuilder = new Stack<IStep>();
-
                     // Download actions not already in the cache
                     Trace.Info("Downloading actions");
                     var actionManager = HostContext.GetService<IActionManager>();
@@ -134,10 +132,6 @@ namespace GitHub.Runner.Worker
                                                                           condition: $"{PipelineTemplateConstants.Success}()",
                                                                           displayName: "Initialize containers",
                                                                           data: (object)containers));
-                        postJobStepsBuilder.Push(new JobExtensionRunner(runAsync: containerProvider.StopContainersAsync,
-                                                                        condition: $"{PipelineTemplateConstants.Always}()",
-                                                                        displayName: "Stop containers",
-                                                                        data: (object)containers));
                     }
 
                     // Add action steps
@@ -187,33 +181,9 @@ namespace GitHub.Runner.Worker
                         }
                     }
 
-                    // Add post-job steps
-                    Trace.Info("Adding post-job steps");
-                    while (postJobStepsBuilder.Count > 0)
-                    {
-                        postJobSteps.Add(postJobStepsBuilder.Pop());
-                    }
-
-                    // Create execution context for post-job steps
-                    foreach (var step in postJobSteps)
-                    {
-                        if (step is JobExtensionRunner)
-                        {
-                            JobExtensionRunner extensionStep = step as JobExtensionRunner;
-                            ArgUtil.NotNull(extensionStep, extensionStep.DisplayName);
-                            Guid stepId = Guid.NewGuid();
-                            extensionStep.ExecutionContext = jobContext.CreateChild(stepId, extensionStep.DisplayName, stepId.ToString("N"), null, null);
-                        }
-                    }
-
                     List<IStep> steps = new List<IStep>();
                     steps.AddRange(preJobSteps);
                     steps.AddRange(jobSteps);
-                    steps.AddRange(postJobSteps);
-
-                    // Start agent log plugin host process
-                    // var logPlugin = HostContext.GetService<IAgentLogPlugin>();
-                    // await logPlugin.StartAsync(context, steps, jobContext.CancellationToken);
 
                     // Prepare for orphan process cleanup
                     _processCleanup = jobContext.Variables.GetBoolean("process.clean") ?? true;

src/Runner.Worker/Runner.Worker.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <OutputType>Exe</OutputType>
-    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
     <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
     <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
     <NoWarn>NU1701;NU1603</NoWarn>
@@ -64,6 +64,9 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+  </PropertyGroup>
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
     <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
@@ -73,4 +76,7 @@
   <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
     <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
+  <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+    <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+  </PropertyGroup>
 </Project>

src/Sdk/DTExpressions2/Expressions2/Sdk/Functions/HashFiles.cs

@@ -5,6 +5,7 @@ using System.Text;
 using Minimatch;
 using System.IO;
 using System.Security.Cryptography;
+using GitHub.DistributedTask.Expressions2.Sdk;
 using GitHub.DistributedTask.Pipelines.ContextData;
 using GitHub.DistributedTask.Pipelines.ObjectTemplating;
 namespace GitHub.DistributedTask.Expressions2.Sdk.Functions
@@ -28,29 +29,50 @@ namespace GitHub.DistributedTask.Expressions2.Sdk.Functions
                 string searchRoot = workspaceData.Value;
                 string pattern = Parameters[0].Evaluate(context).ConvertToString();
 
+                // Convert slashes on Windows
+                if (s_isWindows)
+                {
+                    pattern = pattern.Replace('\\', '/');
+                }
+
+                // Root the pattern
+                if (!Path.IsPathRooted(pattern))
+                {
+                    var patternRoot = s_isWindows ? searchRoot.Replace('\\', '/').TrimEnd('/') : searchRoot.TrimEnd('/');
+                    pattern = string.Concat(patternRoot, "/", pattern);
+                }
+
+                // Get all files
                 context.Trace.Info($"Search root directory: '{searchRoot}'");
                 context.Trace.Info($"Search pattern: '{pattern}'");
-                var files = Directory.GetFiles(searchRoot, "*", SearchOption.AllDirectories).OrderBy(x => x).ToList();
+                var files = Directory.GetFiles(searchRoot, "*", SearchOption.AllDirectories)
+                    .Select(x => s_isWindows ? x.Replace('\\', '/') : x)
+                    .OrderBy(x => x, StringComparer.Ordinal)
+                    .ToList();
                 if (files.Count == 0)
                 {
-                    throw new ArgumentException($"'hashFiles({pattern})' failed. Directory '{searchRoot}' is empty");
+                    throw new ArgumentException($"hashFiles('{ExpressionUtility.StringEscape(pattern)}') failed. Directory '{searchRoot}' is empty");
                 }
                 else
                 {
                     context.Trace.Info($"Found {files.Count} files");
                 }
 
+                // Match
                 var matcher = new Minimatcher(pattern, s_minimatchOptions);
-                files = matcher.Filter(files).ToList();
+                files = matcher.Filter(files)
+                    .Select(x => s_isWindows ? x.Replace('/', '\\') : x)
+                    .ToList();
                 if (files.Count == 0)
                 {
-                    throw new ArgumentException($"'hashFiles({pattern})' failed. Search pattern '{pattern}' doesn't match any file under '{searchRoot}'");
+                    throw new ArgumentException($"hashFiles('{ExpressionUtility.StringEscape(pattern)}') failed. Search pattern '{pattern}' doesn't match any file under '{searchRoot}'");
                 }
                 else
                 {
                     context.Trace.Info($"{files.Count} matches to hash");
                 }
 
+                // Hash each file
                 List<byte> filesSha256 = new List<byte>();
                 foreach (var file in files)
                 {
@@ -64,6 +86,7 @@ namespace GitHub.DistributedTask.Expressions2.Sdk.Functions
                     }
                 }
 
+                // Hash the hashes
                 using (SHA256 sha256hash = SHA256.Create())
                 {
                     var hashBytes = sha256hash.ComputeHash(filesSha256.ToArray());
@@ -83,12 +106,14 @@ namespace GitHub.DistributedTask.Expressions2.Sdk.Functions
             }
         }
 
+        private static readonly bool s_isWindows = Environment.OSVersion.Platform != PlatformID.Unix && Environment.OSVersion.Platform != PlatformID.MacOSX;
+
         // Only support basic globbing (* ? and []) and globstar (**)
         private static readonly Options s_minimatchOptions = new Options
         {
             Dot = true,
             NoBrace = true,
-            NoCase = Environment.OSVersion.Platform != PlatformID.Unix && Environment.OSVersion.Platform != PlatformID.MacOSX,
+            NoCase = s_isWindows,
             NoComment = true,
             NoExt = true,
             NoNegate = true,

src/Sdk/Sdk.csproj

@@ -3,7 +3,7 @@
     <PropertyGroup>
         <TargetFramework>netcoreapp3.0</TargetFramework>
         <OutputType>Library</OutputType>
-        <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+        <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
         <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
         <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
         <NoWarn>NU1701;NU1603</NoWarn>

src/Test/L0/CommandLineParserL0.cs

@@ -47,8 +47,8 @@ namespace GitHub.Runner.Common.Tests
                 });
 
                 // Assert.
-                Assert.Equal(hc.SecretMasker.MaskSecrets("secret value 1"), "***");
+                Assert.Equal("***", hc.SecretMasker.MaskSecrets("secret value 1"));
-                Assert.Equal(hc.SecretMasker.MaskSecrets("secret value 2"), "***");
+                Assert.Equal("***", hc.SecretMasker.MaskSecrets("secret value 2"));
             }
         }
 
@@ -90,9 +90,9 @@ namespace GitHub.Runner.Common.Tests
                 trace.Info("Args: {0}", clp.Args.Count);
                 Assert.True(clp.Args.Count == 2);
                 Assert.True(clp.Args.ContainsKey("arg1"));
-                Assert.Equal(clp.Args["arg1"], "arg1val");
+                Assert.Equal("arg1val", clp.Args["arg1"]);
                 Assert.True(clp.Args.ContainsKey("arg2"));
-                Assert.Equal(clp.Args["arg2"], "arg2val");
+                Assert.Equal("arg2val", clp.Args["arg2"]);
             }
         }
 
@@ -113,8 +113,8 @@ namespace GitHub.Runner.Common.Tests
 
                 trace.Info("Args: {0}", clp.Flags.Count);
                 Assert.True(clp.Flags.Count == 2);
-                Assert.True(clp.Flags.Contains("flag1"));
+                Assert.Contains("flag1", clp.Flags);
-                Assert.True(clp.Flags.Contains("flag2"));
+                Assert.Contains("flag2", clp.Flags);
             }
         }
 

src/Test/L0/ConstantGenerationL0.cs

@@ -18,6 +18,7 @@ namespace GitHub.Runner.Common.Tests
                 "win-x86",
                 "linux-x64",
                 "linux-arm",
+                "linux-arm64",
                 "rhel.6-x64",
                 "osx-x64"
             };

src/Test/L0/Container/DockerUtilL0.cs

@@ -36,10 +36,10 @@ namespace GitHub.Runner.Common.Tests.Worker.Container
 
             // Assert
             Assert.NotNull(result0);
-            Assert.Equal(result0.Count, 0);
+            Assert.Equal(0, result0.Count);
 
             Assert.NotNull(result1);
-            Assert.Equal(result1.Count, 1);
+            Assert.Equal(1, result1.Count);
             var result1Port80Mapping = result1.Find(pm =>
                 string.Equals(pm.ContainerPort, "80") &&
                 string.Equals(pm.HostPort, "32881") &&
@@ -48,10 +48,10 @@ namespace GitHub.Runner.Common.Tests.Worker.Container
             Assert.NotNull(result1Port80Mapping);
 
             Assert.NotNull(result1Empty);
-            Assert.Equal(result1Empty.Count, 0);
+            Assert.Equal(0, result1Empty.Count);
 
             Assert.NotNull(result2);
-            Assert.Equal(result2.Count, 2);
+            Assert.Equal(2, result2.Count);
             var result2Port80Mapping = result2.Find(pm =>
                 string.Equals(pm.ContainerPort, "80") &&
                 string.Equals(pm.HostPort, "32881") &&

src/Test/L0/HostContextL0.cs

@@ -107,7 +107,7 @@ namespace GitHub.Runner.Common.Tests
             }
         }
 
-        public void Setup([CallerMemberName] string testName = "")
+        private void Setup([CallerMemberName] string testName = "")
         {
             _tokenSource = new CancellationTokenSource();
             _hc = new HostContext(
@@ -115,7 +115,7 @@ namespace GitHub.Runner.Common.Tests
                 logFile: Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location), $"trace_{nameof(HostContextL0)}_{testName}.log"));
         }
 
-        public void Teardown()
+        private void Teardown()
         {
             _hc?.Dispose();
             _tokenSource?.Dispose();

src/Test/L0/Listener/CommandSettingsL0.cs

@@ -52,7 +52,7 @@ namespace GitHub.Runner.Common.Tests
                     // Assert.
                     Assert.Equal("some agent", actual);
                     Assert.Equal(string.Empty, Environment.GetEnvironmentVariable("ACTIONS_RUNNER_INPUT_AGENT") ?? string.Empty); // Should remove.
-                    Assert.Equal(hc.SecretMasker.MaskSecrets("some agent"), "some agent");
+                    Assert.Equal("some agent", hc.SecretMasker.MaskSecrets("some agent"));
                 }
                 finally
                 {
@@ -80,7 +80,7 @@ namespace GitHub.Runner.Common.Tests
                     // Assert.
                     Assert.Equal("some secret token value", actual);
                     Assert.Equal(string.Empty, Environment.GetEnvironmentVariable("ACTIONS_RUNNER_INPUT_TOKEN") ?? string.Empty); // Should remove.
-                    Assert.Equal(hc.SecretMasker.MaskSecrets("some secret token value"), "***");
+                    Assert.Equal("***", hc.SecretMasker.MaskSecrets("some secret token value"));
                 }
                 finally
                 {
@@ -250,7 +250,7 @@ namespace GitHub.Runner.Common.Tests
                     bool actual = command.Unattended;
 
                     // Assert.
-                    Assert.Equal(true, actual);
+                    Assert.True(actual);
                     Assert.Equal(string.Empty, Environment.GetEnvironmentVariable("ACTIONS_RUNNER_INPUT_UNATTENDED") ?? string.Empty); // Should remove.
                 }
                 finally
@@ -720,7 +720,7 @@ namespace GitHub.Runner.Common.Tests
                 var command = new CommandSettings(hc, args: new string[] { "badcommand" });
 
                 // Assert.
-                Assert.True(command.Validate().Contains("badcommand"));
+                Assert.Contains("badcommand", command.Validate());
             }
         }
 
@@ -735,7 +735,7 @@ namespace GitHub.Runner.Common.Tests
                 var command = new CommandSettings(hc, args: new string[] { "--badflag" });
 
                 // Assert.
-                Assert.True(command.Validate().Contains("badflag"));
+                Assert.Contains("badflag", command.Validate());
             }
         }
 
@@ -750,7 +750,7 @@ namespace GitHub.Runner.Common.Tests
                 var command = new CommandSettings(hc, args: new string[] { "--badargname", "bad arg value" });
 
                 // Assert.
-                Assert.True(command.Validate().Contains("badargname"));
+                Assert.Contains("badargname", command.Validate());
             }
         }
 

src/Test/L0/Listener/Configuration/ConfigurationManagerL0.cs

@@ -43,10 +43,6 @@ namespace GitHub.Runner.Common.Tests.Listener.Configuration
         private string _expectedServerUrl = "https://localhost";
         private string _expectedAgentName = "expectedAgentName";
         private string _expectedPoolName = "poolName";
-        private string _expectedCollectionName = "testCollectionName";
-        private string _expectedProjectName = "testProjectName";
-        private string _expectedProjectId = "edf3f94e-d251-49df-bfce-602d6c967409";
-        private string _expectedMachineGroupName = "testMachineGroupName";
         private string _expectedAuthType = "pat";
         private string _expectedWorkFolder = "_work";
         private int _expectedPoolId = 1;

src/Test/L0/PagingLoggerL0.cs

@@ -64,7 +64,7 @@ namespace GitHub.Runner.Common.Tests.Listener
                                 string line;
                                 while ((line = freader.ReadLine()) != null)
                                 {
-                                    Assert.True(line.EndsWith(LogData));
+                                    Assert.EndsWith(LogData, line);
                                     bytesWritten += logDataSize;
                                 }
                             }

src/Test/L0/Util/VssUtilL0.cs

@@ -31,8 +31,8 @@ namespace GitHub.Runner.Common.Tests.Util
                     var connect = VssUtil.CreateConnection(new Uri("https://github.com/actions/runner"), new VssCredentials());
 
                     // Assert.
-                    Assert.Equal(connect.Settings.MaxRetryRequest.ToString(), "10");
+                    Assert.Equal("10", connect.Settings.MaxRetryRequest.ToString());
-                    Assert.Equal(connect.Settings.SendTimeout.TotalSeconds.ToString(), "360");
+                    Assert.Equal("360", connect.Settings.SendTimeout.TotalSeconds.ToString());
 
                     trace.Info("Set httpretry to 100.");
                     Environment.SetEnvironmentVariable("GITHUB_ACTIONS_RUNNER_HTTP_RETRY", "100");
@@ -42,8 +42,8 @@ namespace GitHub.Runner.Common.Tests.Util
                     connect = VssUtil.CreateConnection(new Uri("https://github.com/actions/runner"), new VssCredentials());
 
                     // Assert.
-                    Assert.Equal(connect.Settings.MaxRetryRequest.ToString(), "10");
+                    Assert.Equal("10", connect.Settings.MaxRetryRequest.ToString());
-                    Assert.Equal(connect.Settings.SendTimeout.TotalSeconds.ToString(), "1200");
+                    Assert.Equal("1200", connect.Settings.SendTimeout.TotalSeconds.ToString());
                 }
                 finally
                 {

src/Test/L0/Worker/ActionManifestManagerL0.cs

@@ -37,25 +37,25 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 //Assert
 
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.Container);
+                Assert.Equal(ActionExecutionType.Container, result.Execution.ExecutionType);
 
                 var containerAction = result.Execution as ContainerActionExecutionData;
 
-                Assert.Equal(containerAction.Image, "Dockerfile");
+                Assert.Equal("Dockerfile", containerAction.Image);
-                Assert.Equal(containerAction.EntryPoint, "main.sh");
+                Assert.Equal("main.sh", containerAction.EntryPoint);
-                Assert.Equal(containerAction.Arguments[0].ToString(), "bzz");
+                Assert.Equal("bzz", containerAction.Arguments[0].ToString());
-                Assert.Equal(containerAction.Environment[0].Key.ToString(), "Token");
+                Assert.Equal("Token", containerAction.Environment[0].Key.ToString());
-                Assert.Equal(containerAction.Environment[0].Value.ToString(), "foo");
+                Assert.Equal("foo", containerAction.Environment[0].Value.ToString());
-                Assert.Equal(containerAction.Environment[1].Key.ToString(), "Url");
+                Assert.Equal("Url", containerAction.Environment[1].Key.ToString());
-                Assert.Equal(containerAction.Environment[1].Value.ToString(), "bar");
+                Assert.Equal("bar", containerAction.Environment[1].Value.ToString());
             }
             finally
             {
@@ -81,27 +81,27 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 //Assert
 
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.Container);
+                Assert.Equal(ActionExecutionType.Container, result.Execution.ExecutionType);
 
                 var containerAction = result.Execution as ContainerActionExecutionData;
 
-                Assert.Equal(containerAction.Image, "Dockerfile");
+                Assert.Equal("Dockerfile", containerAction.Image);
-                Assert.Equal(containerAction.EntryPoint, "main.sh");
+                Assert.Equal("main.sh", containerAction.EntryPoint);
-                Assert.Equal(containerAction.Cleanup, "cleanup.sh");
+                Assert.Equal("cleanup.sh", containerAction.Cleanup);
-                Assert.Equal(containerAction.CleanupCondition, "failure()");
+                Assert.Equal("failure()", containerAction.CleanupCondition);
-                Assert.Equal(containerAction.Arguments[0].ToString(), "bzz");
+                Assert.Equal("bzz", containerAction.Arguments[0].ToString());
-                Assert.Equal(containerAction.Environment[0].Key.ToString(), "Token");
+                Assert.Equal("Token", containerAction.Environment[0].Key.ToString());
-                Assert.Equal(containerAction.Environment[0].Value.ToString(), "foo");
+                Assert.Equal("foo", containerAction.Environment[0].Value.ToString());
-                Assert.Equal(containerAction.Environment[1].Key.ToString(), "Url");
+                Assert.Equal("Url", containerAction.Environment[1].Key.ToString());
-                Assert.Equal(containerAction.Environment[1].Value.ToString(), "bar");
+                Assert.Equal("bar", containerAction.Environment[1].Value.ToString());
             }
             finally
             {
@@ -126,19 +126,19 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.Load(_ec.Object, Path.Combine(TestUtil.GetTestDataPath(), "dockerfileaction_noargs_noenv_noentrypoint.yml"));
 
                 //Assert
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.Container);
+                Assert.Equal(ActionExecutionType.Container, result.Execution.ExecutionType);
 
                 var containerAction = result.Execution as ContainerActionExecutionData;
 
-                Assert.Equal(containerAction.Image, "Dockerfile");
+                Assert.Equal("Dockerfile", containerAction.Image);
             }
             finally
             {
@@ -164,25 +164,25 @@ namespace GitHub.Runner.Common.Tests.Worker
 
                 //Assert
 
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.Container);
+                Assert.Equal(ActionExecutionType.Container, result.Execution.ExecutionType);
 
                 var containerAction = result.Execution as ContainerActionExecutionData;
 
-                Assert.Equal(containerAction.Image, "Dockerfile");
+                Assert.Equal("Dockerfile", containerAction.Image);
-                Assert.Equal(containerAction.EntryPoint, "main.sh");
+                Assert.Equal("main.sh", containerAction.EntryPoint);
-                Assert.Equal(containerAction.Arguments[0].ToString(), "${{ inputs.greeting }}");
+                Assert.Equal("${{ inputs.greeting }}", containerAction.Arguments[0].ToString());
-                Assert.Equal(containerAction.Environment[0].Key.ToString(), "Token");
+                Assert.Equal("Token", containerAction.Environment[0].Key.ToString());
-                Assert.Equal(containerAction.Environment[0].Value.ToString(), "foo");
+                Assert.Equal("foo", containerAction.Environment[0].Value.ToString());
-                Assert.Equal(containerAction.Environment[1].Key.ToString(), "Url");
+                Assert.Equal("Url", containerAction.Environment[1].Key.ToString());
-                Assert.Equal(containerAction.Environment[1].Value.ToString(), "${{ inputs.entryPoint }}");
+                Assert.Equal("${{ inputs.entryPoint }}", containerAction.Environment[1].Value.ToString());
             }
             finally
             {
@@ -207,25 +207,25 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.Load(_ec.Object, Path.Combine(TestUtil.GetTestDataPath(), "dockerhubaction.yml"));
 
                 //Assert
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.Container);
+                Assert.Equal(ActionExecutionType.Container, result.Execution.ExecutionType);
 
                 var containerAction = result.Execution as ContainerActionExecutionData;
 
-                Assert.Equal(containerAction.Image, "docker://ubuntu:18.04");
+                Assert.Equal("docker://ubuntu:18.04", containerAction.Image);
-                Assert.Equal(containerAction.EntryPoint, "main.sh");
+                Assert.Equal("main.sh", containerAction.EntryPoint);
-                Assert.Equal(containerAction.Arguments[0].ToString(), "bzz");
+                Assert.Equal("bzz", containerAction.Arguments[0].ToString());
-                Assert.Equal(containerAction.Environment[0].Key.ToString(), "Token");
+                Assert.Equal("Token", containerAction.Environment[0].Key.ToString());
-                Assert.Equal(containerAction.Environment[0].Value.ToString(), "foo");
+                Assert.Equal("foo", containerAction.Environment[0].Value.ToString());
-                Assert.Equal(containerAction.Environment[1].Key.ToString(), "Url");
+                Assert.Equal("Url", containerAction.Environment[1].Key.ToString());
-                Assert.Equal(containerAction.Environment[1].Value.ToString(), "bar");
+                Assert.Equal("bar", containerAction.Environment[1].Value.ToString());
             }
             finally
             {
@@ -250,24 +250,24 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.Load(_ec.Object, Path.Combine(TestUtil.GetTestDataPath(), "nodeaction.yml"));
 
                 //Assert
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
-                Assert.Equal(result.Deprecated.Count, 1);
+                Assert.Equal(1, result.Deprecated.Count);
 
                 Assert.True(result.Deprecated.ContainsKey("greeting"));
                 result.Deprecated.TryGetValue("greeting", out string value);
-                Assert.Equal(value, "This property has been deprecated");
+                Assert.Equal("This property has been deprecated", value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.NodeJS);
+                Assert.Equal(ActionExecutionType.NodeJS, result.Execution.ExecutionType);
 
                 var nodeAction = result.Execution as NodeJSActionExecutionData;
 
-                Assert.Equal(nodeAction.Script, "main.js");
+                Assert.Equal("main.js", nodeAction.Script);
             }
             finally
             {
@@ -292,26 +292,26 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.Load(_ec.Object, Path.Combine(TestUtil.GetTestDataPath(), "nodeaction_cleanup.yml"));
 
                 //Assert
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
-                Assert.Equal(result.Deprecated.Count, 1);
+                Assert.Equal(1, result.Deprecated.Count);
 
                 Assert.True(result.Deprecated.ContainsKey("greeting"));
                 result.Deprecated.TryGetValue("greeting", out string value);
-                Assert.Equal(value, "This property has been deprecated");
+                Assert.Equal("This property has been deprecated", value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.NodeJS);
+                Assert.Equal(ActionExecutionType.NodeJS, result.Execution.ExecutionType);
 
                 var nodeAction = result.Execution as NodeJSActionExecutionData;
 
-                Assert.Equal(nodeAction.Script, "main.js");
+                Assert.Equal("main.js", nodeAction.Script);
-                Assert.Equal(nodeAction.Cleanup, "cleanup.js");
+                Assert.Equal("cleanup.js", nodeAction.Cleanup);
-                Assert.Equal(nodeAction.CleanupCondition, "cancelled()");
+                Assert.Equal("cancelled()", nodeAction.CleanupCondition);
             }
             finally
             {
@@ -336,19 +336,19 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.Load(_ec.Object, Path.Combine(TestUtil.GetTestDataPath(), "pluginaction.yml"));
 
                 //Assert
-                Assert.Equal(result.Name, "Hello World");
+                Assert.Equal("Hello World", result.Name);
-                Assert.Equal(result.Description, "Greet the world and record the time");
+                Assert.Equal("Greet the world and record the time", result.Description);
-                Assert.Equal(result.Inputs.Count, 2);
+                Assert.Equal(2, result.Inputs.Count);
-                Assert.Equal(result.Inputs[0].Key.AssertString("key").Value, "greeting");
+                Assert.Equal("greeting", result.Inputs[0].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[0].Value.AssertString("value").Value, "Hello");
+                Assert.Equal("Hello", result.Inputs[0].Value.AssertString("value").Value);
-                Assert.Equal(result.Inputs[1].Key.AssertString("key").Value, "entryPoint");
+                Assert.Equal("entryPoint", result.Inputs[1].Key.AssertString("key").Value);
-                Assert.Equal(result.Inputs[1].Value.AssertString("value").Value, "");
+                Assert.Equal("", result.Inputs[1].Value.AssertString("value").Value);
 
-                Assert.Equal(result.Execution.ExecutionType, ActionExecutionType.Plugin);
+                Assert.Equal(ActionExecutionType.Plugin, result.Execution.ExecutionType);
 
                 var pluginAction = result.Execution as PluginActionExecutionData;
 
-                Assert.Equal(pluginAction.Plugin, "someplugin");
+                Assert.Equal("someplugin", pluginAction.Plugin);
             }
             finally
             {
@@ -383,9 +383,9 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.EvaluateContainerArguments(_ec.Object, arguments, evaluateContext);
 
                 //Assert
-                Assert.Equal(result[0], "hello");
+                Assert.Equal("hello", result[0]);
-                Assert.Equal(result[1], "test");
+                Assert.Equal("test", result[1]);
-                Assert.Equal(result.Count, 2);
+                Assert.Equal(2, result.Count);
             }
             finally
             {
@@ -420,9 +420,9 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.EvaluateContainerEnvironment(_ec.Object, environment, evaluateContext);
 
                 //Assert
-                Assert.Equal(result["hello"], "hello");
+                Assert.Equal("hello", result["hello"]);
-                Assert.Equal(result["test"], "test");
+                Assert.Equal("test", result["test"]);
-                Assert.Equal(result.Count, 2);
+                Assert.Equal(2, result.Count);
             }
             finally
             {
@@ -459,13 +459,13 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var result = actionManifest.EvaluateDefaultInput(_ec.Object, "testInput", new StringToken(null, null, null, "defaultValue"), evaluateContext);
 
                 //Assert
-                Assert.Equal(result, "defaultValue");
+                Assert.Equal("defaultValue", result);
 
                 //Act
                 result = actionManifest.EvaluateDefaultInput(_ec.Object, "testInput", new BasicExpressionToken(null, null, null, "github.ref"), evaluateContext);
 
                 //Assert
-                Assert.Equal(result, "refs/heads/master");
+                Assert.Equal("refs/heads/master", result);
             }
             finally
             {

src/Test/L0/Worker/ActionRunnerL0.cs

@@ -31,7 +31,6 @@ namespace GitHub.Runner.Common.Tests.Worker
         private TestHostContext _hc;
         private ActionRunner _actionRunner;
         private IActionManifestManager _actionManifestManager;
-        private string _workFolder;
         private DictionaryContextData _context = new DictionaryContextData();
 
         [Fact]
@@ -75,9 +74,9 @@ namespace GitHub.Runner.Common.Tests.Worker
             }
 
             //Assert
-            Assert.Equal(finialInputs["input1"], "test1");
+            Assert.Equal("test1", finialInputs["input1"]);
-            Assert.Equal(finialInputs["input2"], "test2");
+            Assert.Equal("test2", finialInputs["input2"]);
-            Assert.Equal(finialInputs["input3"], "github");
+            Assert.Equal("github", finialInputs["input3"]);
         }
 
         [Fact]
@@ -278,24 +277,6 @@ namespace GitHub.Runner.Common.Tests.Worker
             Assert.Equal("${{ matrix.node }}", _actionRunner.DisplayName);
         }
 
-        private void CreateAction(string yamlContent, out Pipelines.ActionStep instance, out string directory)
-        {
-            directory = Path.Combine(_workFolder, Constants.Path.ActionsDirectory, "GitHub/actions".Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar), "master");
-            string file = Path.Combine(directory, Constants.Path.ActionManifestFile);
-            Directory.CreateDirectory(Path.GetDirectoryName(file));
-            File.WriteAllText(file, yamlContent);
-            instance = new Pipelines.ActionStep()
-            {
-                Id = Guid.NewGuid(),
-                Reference = new Pipelines.RepositoryPathReference()
-                {
-                    Name = "GitHub/actions",
-                    Ref = "master",
-                    RepositoryType = Pipelines.RepositoryTypes.GitHub
-                }
-            };
-        }
-
         private void Setup([CallerMemberName] string name = "")
         {
             _ecTokenSource?.Dispose();

src/Test/L0/Worker/ExecutionContextL0.cs

@@ -206,8 +206,22 @@ namespace GitHub.Runner.Common.Tests.Worker
                 var action2 = jobContext.CreateChild(Guid.NewGuid(), "action_2", "action_2", null, null);
                 action2.IntraActionState["state"] = "2";
 
-                action1.RegisterPostJobAction("post1", "always()", new Pipelines.ActionStep() { Name = "post1", DisplayName = "Test 1", Reference = new Pipelines.RepositoryPathReference() { Name = "actions/action" } });
+
-                action2.RegisterPostJobAction("post2", "always()", new Pipelines.ActionStep() { Name = "post2", DisplayName = "Test 2", Reference = new Pipelines.RepositoryPathReference() { Name = "actions/action" } });
+                var postRunner1 = hc.CreateService<IActionRunner>();
+                postRunner1.Action = new Pipelines.ActionStep() { Name = "post1", DisplayName = "Test 1", Reference = new Pipelines.RepositoryPathReference() { Name = "actions/action" } };
+                postRunner1.Stage = ActionRunStage.Post;
+                postRunner1.Condition = "always()";
+                postRunner1.DisplayName = "post1";
+
+
+                var postRunner2 = hc.CreateService<IActionRunner>();
+                postRunner2.Action = new Pipelines.ActionStep() { Name = "post2", DisplayName = "Test 2", Reference = new Pipelines.RepositoryPathReference() { Name = "actions/action" } };
+                postRunner2.Stage = ActionRunStage.Post;
+                postRunner2.Condition = "always()";
+                postRunner2.DisplayName = "post2";
+
+                action1.RegisterPostJobStep("post1", postRunner1);
+                action2.RegisterPostJobStep("post2", postRunner2);
 
                 Assert.NotNull(jobContext.JobSteps);
                 Assert.NotNull(jobContext.PostJobSteps);

src/Test/L0/Worker/VariablesL0.cs

@@ -150,7 +150,7 @@ namespace GitHub.Runner.Common.Tests.Worker
                 string actual = variables.Get("no such");
 
                 // Assert.
-                Assert.Equal(null, actual);
+                Assert.Null(actual);
             }
         }
 

src/Test/Test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <TargetFramework>netcoreapp3.0</TargetFramework>
-        <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;rhel.6-x64;osx-x64</RuntimeIdentifiers>
+        <RuntimeIdentifiers>win-x64;win-x86;linux-x64;linux-arm;linux-arm64;rhel.6-x64;osx-x64</RuntimeIdentifiers>
         <TargetLatestRuntimePatch>true</TargetLatestRuntimePatch>
         <AssetTargetFallback>portable-net45+win8</AssetTargetFallback>
         <NoWarn>NU1701;NU1603;NU1603;xUnit2013;</NoWarn>
@@ -58,6 +58,9 @@
     <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm'">
         <DefineConstants>OS_LINUX;ARM;TRACE</DefineConstants>
     </PropertyGroup>
+    <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(PackageRuntime)' == 'linux-arm64'">
+        <DefineConstants>OS_LINUX;ARM64;TRACE</DefineConstants>
+    </PropertyGroup>
     <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-x64'">
         <DefineConstants>OS_LINUX;X64;DEBUG;TRACE</DefineConstants>
     </PropertyGroup>
@@ -67,4 +70,7 @@
     <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm'">
         <DefineConstants>OS_LINUX;ARM;DEBUG;TRACE</DefineConstants>
     </PropertyGroup>
+    <PropertyGroup Condition="'$([System.Runtime.InteropServices.RuntimeInformation]::IsOSPlatform($([System.Runtime.InteropServices.OSPlatform]::Linux)))' == 'true' AND '$(Configuration)' == 'Debug' AND '$(PackageRuntime)' == 'linux-arm64'">
+        <DefineConstants>OS_LINUX;ARM64;DEBUG;TRACE</DefineConstants>
+    </PropertyGroup>
 </Project>

src/dev.sh

@@ -43,7 +43,7 @@ elif [[ "$CURRENT_PLATFORM" == 'linux' ]]; then
       CPU_NAME=$(uname -m)
       case $CPU_NAME in
          armv7l) RUNTIME_ID="linux-arm";;
-         aarch64) RUNTIME_ID="linux-arm";;
+         aarch64) RUNTIME_ID="linux-arm64";;
       esac
    fi
    
@@ -60,7 +60,7 @@ fi
 
 # Make sure current platform support publish the dotnet runtime
 # Windows can publish win-x86/x64
-# Linux can publish linux-x64/arm/rhel.6-x64
+# Linux can publish linux-x64/arm/arm64/rhel.6-x64
 # OSX can publish osx-x64
 if [[ "$CURRENT_PLATFORM" == 'windows' ]]; then
    if [[ ("$RUNTIME_ID" != 'win-x86') && ("$RUNTIME_ID" != 'win-x64') ]]; then
@@ -68,7 +68,7 @@ if [[ "$CURRENT_PLATFORM" == 'windows' ]]; then
       exit 1
    fi
 elif [[ "$CURRENT_PLATFORM" == 'linux' ]]; then
-   if [[ ("$RUNTIME_ID" != 'linux-x64') && ("$RUNTIME_ID" != 'linux-arm') && ("$RUNTIME_ID" != 'rhel.6-x64') ]]; then
+   if [[ ("$RUNTIME_ID" != 'linux-x64') && ("$RUNTIME_ID" != 'linux-arm') && ("$RUNTIME_ID" != 'linux-arm64') && ("$RUNTIME_ID" != 'rhel.6-x64') ]]; then
       echo "Failed: Can't build $RUNTIME_ID package $CURRENT_PLATFORM" >&2
       exit 1
    fi
@@ -208,8 +208,6 @@ fi
 echo "Prepend ${DOTNETSDK_INSTALLDIR} to %PATH%"
 export PATH=${DOTNETSDK_INSTALLDIR}:$PATH
 
-heading "Github Dreamlifter Runner"
-
 heading "Dotnet SDK Version"
 dotnet --version