Parallel installation of Xcode (#2432)

* parallel xcode installation

* resolve comments

* fix changes

* resolve comments and change ErrorActionPreference

* return imports

* switch ErrorActionPreference to Stop

* add log for threadCount

* add errorAction

* use new approach for warning

* change to bash -c

* change approach to install xcodes through to parallel foreach

* use & bash -c "command"

* mv upper ErrorActionPreference and work on logs

* mv $env:SPACESHIP_SKIP_2FA_UPGRADE = 1

* change process count to 5

* Invoke-XCVersion add out-host

images/macos/helpers/Xcode.Installer.psm1

@@ -10,15 +10,16 @@ function Install-XcodeVersion {
 
     $xcodeDownloadDirectory = "$env:HOME/Library/Caches/XcodeInstall"
     $xcodeTargetPath = Get-XcodeRootPath -Version $LinkTo
+    $xcodeXipDirectory = Invoke-DownloadXcodeArchive -DownloadDirectory $xcodeDownloadDirectory -Version $Version
+    Expand-XcodeXipArchive -DownloadDirectory $xcodeXipDirectory -TargetPath $xcodeTargetPath
 
-    Invoke-DownloadXcodeArchive -Version $Version
+    Remove-Item -Path $xcodeXipDirectory -Force -Recurse
-    Expand-XcodeXipArchive -DownloadDirectory $xcodeDownloadDirectory -TargetPath $xcodeTargetPath
-
-    Get-ChildItem $xcodeDownloadDirectory | Remove-Item -Force
 }
 
 function Invoke-DownloadXcodeArchive {
     param(
+        [Parameter(Mandatory)]
+        [string]$DownloadDirectory,
         [Parameter(Mandatory)]
         [string]$Version
     )
@@ -28,7 +29,15 @@ function Invoke-DownloadXcodeArchive {
         throw "Version '$Version' can't be matched to any available version"
     }
     Write-Host "Downloading Xcode $resolvedVersion"
-    Invoke-XCVersion -Arguments "install '$resolvedVersion' --no-install"
+    Invoke-XCVersion -Arguments "install '$resolvedVersion' --no-install" | Out-Host    
+
+    $xcodeXipName = "$resolvedVersion" -replace " ", "_"
+    $xcodeXipFile = Get-ChildItem -Path $DownloadDirectory -Filter "Xcode_$xcodeXipName.xip" | Select-Object -First 1
+    $tempXipDirectory = New-Item -Path $DownloadDirectory -Name "Xcode$xcodeXipName" -ItemType "Directory"
+    Move-Item -Path "$xcodeXipFile" -Destination $tempXipDirectory
+
+    return $tempXipDirectory
+
 }
 
 function Resolve-ExactXcodeVersion {

images/macos/provision/core/xcode.ps1

@@ -18,9 +18,14 @@ $os = Get-OSVersion
 $xcodeVersions = Get-ToolsetValue "xcode.versions"
 $defaultXcode = Get-ToolsetValue "xcode.default"
 [Array]::Reverse($xcodeVersions)
+$threadCount = "5"
 
 Write-Host "Installing Xcode versions..."
-$xcodeVersions | ForEach-Object {
+$xcodeVersions | ForEach-Object -ThrottleLimit $threadCount -Parallel {
+    $ErrorActionPreference = "Stop"
+    Import-Module "$env:HOME/image-generation/helpers/Common.Helpers.psm1"
+    Import-Module "$env:HOME/image-generation/helpers/Xcode.Installer.psm1"
+
     Install-XcodeVersion -Version $_.version -LinkTo $_.link
     Confirm-XcodeIntegrity -Version $_.link
     Approve-XcodeLicense -Version $_.link
@@ -31,7 +36,9 @@ if ($os.IsLessThanCatalina) {
     $latestXcodeVersion = $xcodeVersions | Select-Object -Last 1 -ExpandProperty link
     Install-XcodeAdditionalPackages -Version $latestXcodeVersion
 }
-$xcodeVersions | ForEach-Object { Invoke-XcodeRunFirstLaunch -Version $_.link }
+$xcodeVersions | ForEach-Object { 
+    Invoke-XcodeRunFirstLaunch -Version $_.link 
+}
 Invoke-XcodeRunFirstLaunch -Version $defaultXcode
 
 Write-Host "Configuring Xcode symlinks..."