replace git for windows internal tools

images/win/Windows2016-Azure.json

@@ -235,6 +235,14 @@
                 "{{ template_dir }}/scripts/Installers/Update-AndroidSDK.ps1"
             ]
         },
+        {
+            "type": "powershell",
+            "elevated_user": "SYSTEM",
+            "elevated_password": "",
+            "scripts":[
+                "{{ template_dir }}/scripts/Installers/Install-Msys2.ps1"
+            ]
+        },
         {
             "type": "powershell",
             "scripts":[
@@ -290,15 +298,6 @@
                 "{{ template_dir }}/scripts/Installers/Install-DotnetSDK.ps1"
             ]
         },
-
-        {
-            "type": "powershell",
-            "elevated_user": "SYSTEM",
-            "elevated_password": "",
-            "scripts":[
-                "{{ template_dir }}/scripts/Installers/Install-Msys2.ps1"
-            ]
-        },
         {
             "type": "powershell",
             "scripts":[
@@ -385,7 +384,8 @@
             "type": "powershell",
             "scripts":[
                 "{{ template_dir }}/scripts/Installers/Configure-Antivirus.ps1",
-                "{{ template_dir }}/scripts/Installers/Disable-JITDebugger.ps1"
+                "{{ template_dir }}/scripts/Installers/Disable-JITDebugger.ps1",
+                "{{ template_dir }}/scripts/Installers/Post-Deployment.ps1"
             ]
         },
         {

images/win/Windows2019-Azure.json

@@ -249,6 +249,14 @@
 
             ]
         },
+        {
+            "type": "powershell",
+            "elevated_user": "SYSTEM",
+            "elevated_password": "",
+            "scripts":[
+                "{{ template_dir }}/scripts/Installers/Install-Msys2.ps1"
+            ]
+        },
         {
             "type": "powershell",
             "scripts":[
@@ -276,14 +284,6 @@
             "elevated_user": "{{user `install_user`}}",
             "elevated_password": "{{user `install_password`}}"
         },
-        {
-            "type": "powershell",
-            "elevated_user": "SYSTEM",
-            "elevated_password": "",
-            "scripts":[
-                "{{ template_dir }}/scripts/Installers/Install-Msys2.ps1"
-            ]
-        },
         {
             "type": "powershell",
             "scripts":[
@@ -382,19 +382,10 @@
         {
             "type": "powershell",
             "scripts":[
-                "{{ template_dir }}/scripts/Installers/Configure-Antivirus.ps1"
+                "{{ template_dir }}/scripts/Installers/Configure-Antivirus.ps1",
-            ]
+                "{{ template_dir }}/scripts/Installers/Disable-JITDebugger.ps1",
-        },
+                "{{ template_dir }}/scripts/Installers/Run-NGen.ps1",
-        {
+                "{{ template_dir }}/scripts/Installers/Post-Deployment.ps1"
-            "type": "powershell",
-            "scripts":[
-                "{{ template_dir }}/scripts/Installers/Disable-JITDebugger.ps1"
-            ]
-        },
-        {
-            "type": "powershell",
-            "scripts":[
-                "{{ template_dir }}/scripts/Installers/Run-NGen.ps1"
             ]
         },
         {

images/win/scripts/Installers/Install-Git.ps1

@@ -28,7 +28,7 @@ Install-Binary  -Url $downloadUrl `
                     "/SP-", `
                     "/CLOSEAPPLICATIONS", `
                     "/RESTARTAPPLICATIONS", `
-                    "/o:PathOption=CmdTools", `
+                    "/o:PathOption=Cmd", `
                     "/o:BashTerminalOption=ConHost", `
                     "/o:EnableSymlinks=Enabled", `
                     "/COMPONENTS=gitlfs")
@@ -38,7 +38,5 @@ Choco-Install -PackageName hub
 # Disable GCM machine-wide
 [Environment]::SetEnvironmentVariable("GCM_INTERACTIVE", "Never", [System.EnvironmentVariableTarget]::Machine)
 
-Add-MachinePathItem "C:\Program Files\Git\bin"
-
 Invoke-PesterTests -TestFile "Git" -TestName "Git"
 Invoke-PesterTests -TestFile "CLI.Tools" -TestName "Hub CLI"

images/win/scripts/Installers/Install-Msys2.ps1

@@ -9,35 +9,22 @@
 
 $dash = "-" * 40
 
-$origPath = $env:PATH
+# Downloading msys2
-$gitPath  = "$env:ProgramFiles\Git"
+$msys2Release = "https://api.github.com/repos/msys2/msys2-installer/releases/latest"
-
+$msys2Uri = ((Invoke-RestMethod $msys2Release).assets | Where-Object {
-$msys2_release = "https://api.github.com/repos/msys2/msys2-installer/releases/latest"
-
-$msys2Uri = ((Invoke-RestMethod $msys2_release).assets | Where-Object {
   $_.name -match "x86_64" -and $_.name.EndsWith("tar.xz") }).browser_download_url
-
-# Download the latest msys2 x86_64, filename includes release date
-Write-Host "Starting msys2 download using $($msys2Uri.split('/')[-1])"
 $msys2File = Start-DownloadWithRetry -Url $msys2Uri
-Write-Host "Finished download"
-
-# nix style path for tar
-$msys2FileU = "/$msys2File".replace(':', '').replace('\', '/')
-
-# Git tar needs exe's from mingw64\bin
-$env:PATH = "$gitPath\usr\bin;$gitPath\mingw64\bin;$origPath"
-
-$tar = "$gitPath\usr\bin\tar.exe"
 
 # extract tar.xz to C:\
 Write-Host "Starting msys2 extraction"
-&$tar -xJf $msys2FileU -C /c/
+$tempPath = Join-Path $env:Temp msys
-Remove-Item $msys2File
+Extract-7Zip -Path $msys2File -DestinationPath $tempPath
+$tarPath = Resolve-Path $tempPath\msys*.tar
+Extract-7Zip -Path $tarPath -DestinationPath C:\
 Write-Host "Finished extraction"
 
 # Add msys2 bin tools folders to PATH temporary
-$env:PATH = "C:\msys64\mingw64\bin;C:\msys64\usr\bin;$origPath"
+$env:PATH = "C:\msys64\mingw64\bin;C:\msys64\usr\bin;$env:PATH"
 
 Write-Host "`n$dash bash pacman-key --init"
 bash.exe -c "pacman-key --init 2>&1"
@@ -88,4 +75,15 @@ pacman.exe -Q | grep -v ^mingw-w64-
 
 Write-Host "`nMSYS2 installation completed"
 
+# Environment
+# add C:\msys64\mingw64\bin and C:\msys64\usr\bin to PATH
+# C:\msys64\mingw64\bin add after C:\Windows\System32 to not replace built-in tar.exe
+$regEnvKey = 'HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Environment\'
+$pathValue = Get-ItemPropertyValue -Path $regEnvKey -Name 'Path'
+$pathValue += ";C:\msys64\mingw64\bin;C:\msys64\usr\bin"
+Set-ItemProperty -Path $regEnvKey -Name 'Path' -Value $pathValue
+
+# Rename python
+Rename-Item "C:\msys64\usr\bin\python.exe" -NewName "_python.exe"
+
 Invoke-PesterTests -TestFile "MSYS2"

images/win/scripts/Installers/Post-Deployment.ps1

@@ -0,0 +1,19 @@
+# Create shells folder
+$shellPath = "C:\shells"
+$null = New-Item -Path $shellPath -ItemType Directory
+
+# MSYS2 <--> C:\msys64\usr\bin\bash.exe
+$null = New-Item -ItemType SymbolicLink -Path "$shellPath\msys2.exe" -Target "C:\msys64\usr\bin\bash.exe"
+
+# sh and bash <--> C:\msys64\usr\bin\bash.exe
+$null = New-Item -ItemType SymbolicLink -Path "$shellPath\bash.exe" -Target "C:\msys64\usr\bin\bash.exe"
+$null = New-Item -ItemType SymbolicLink -Path "$shellPath\sh.exe" -Target "C:\msys64\usr\bin\sh.exe"
+
+# winbash <--> C:\Windows\System32\bash.exe
+$null = New-Item -ItemType SymbolicLink -Path "$shellPath\winbash.exe" -Target "$env:SystemRoot\System32\bash.exe"
+
+# git4bash <--> C:\Program Files\Git\bin\bash.exe
+$null = New-Item -ItemType SymbolicLink -Path "$shellPath\git4bash.exe" -Target "$env:ProgramFiles\Git\bin\bash.exe"
+
+# Add shells to PATH
+Add-MachinePathItem $shellPath

images/win/scripts/Tests/Git.Tests.ps1

@@ -1,5 +1,5 @@
 Describe "Git" {
-    $gitTools = 'bash', 'awk', 'git', 'git-lfs'
+    $gitTools = 'git', 'git-lfs'
     $gitTestCases = $gitTools | ForEach-Object {
         @{
             toolName = $_