[Windows] Add GVFS (Git Virtual File System) (#3766)

* Add GVFS (Git Virtual File System)
* invoke all tests from git file

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

@@ -9,9 +9,20 @@ Choco-Install -PackageName git -ArgumentList '--installargs="/VERYSILENT /NOREST
 # Install hub
 Choco-Install -PackageName hub
 
+# Install GVFS
+$url = "https://api.github.com/repos/microsoft/VFSForGit/releases/latest"
+[System.String] $gvfsLatest = (Invoke-RestMethod -Uri $url).assets.browser_download_url -match "SetupGVFS.+\.exe$"
+$gvfsInstallerPath = Start-DownloadWithRetry -Url $gvfsLatest -Name "SetupGVFS.exe"
+
+# Start-Process waits on the entire process tree but Wait-Process only waits on the initiating process(GVFS.Service.UI.exe)
+$env:GVFS_UNATTENDED = "1"
+$argList = "/VERYSILENT", "/NORESTART", "/NOCANCEL", "/SP-", "/CLOSEAPPLICATIONS", "/RESTARTAPPLICATIONS", "/SUPPRESSMSGBOXES"
+Start-Process $gvfsInstallerPath -ArgumentList $argList -PassThru | Wait-Process
+
 # Disable GCM machine-wide
 [Environment]::SetEnvironmentVariable("GCM_INTERACTIVE", "Never", [System.EnvironmentVariableTarget]::Machine)
 
+# Add to PATH
 Add-MachinePathItem "C:\Program Files\Git\bin"
 
 if (Test-IsWin16) {
@@ -22,5 +33,5 @@ if (Test-IsWin16) {
 ssh-keyscan -t rsa github.com >> "C:\Program Files\Git\etc\ssh\ssh_known_hosts"
 ssh-keyscan -t rsa ssh.dev.azure.com >> "C:\Program Files\Git\etc\ssh\ssh_known_hosts"
 
-Invoke-PesterTests -TestFile "Git" -TestName "Git"
+Invoke-PesterTests -TestFile "Git"
 Invoke-PesterTests -TestFile "CLI.Tools" -TestName "Hub CLI"

images/win/scripts/SoftwareReport/SoftwareReport.Generator.ps1

@@ -86,6 +86,7 @@ $markdown += New-MDList -Style Unordered -Lines (@(
     (Get-GHCVersion),
     (Get-GitVersion),
     (Get-GitLFSVersion),
+    (Get-GVFSVersion),
     (Get-GoogleCloudSDKVersion),
     (Get-InnoSetupVersion),
     (Get-JQVersion),

images/win/scripts/SoftwareReport/SoftwareReport.Tools.psm1

@@ -67,6 +67,11 @@ function Get-GitLFSVersion {
     return "Git LFS $gitLfsVersion"
 }
 
+function Get-GVFSVersion {
+    $gvfsVersion = (Get-Command gvfs).Version
+    return "GVFS $gvfsVersion"
+}
+
 function Get-InnoSetupVersion {
     return $(choco list --local-only innosetup) | Select-String -Pattern "InnoSetup"
 }

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

@@ -23,3 +23,9 @@ Describe "Git" {
         $env:GCM_INTERACTIVE | Should -BeExactly Never
     }
 }
+
+Describe "GVFS" {
+    It "GVFS is installed" {
+        "gvfs --version" | Should -ReturnZeroExitCode
+    }
+}