Pull-Repos

Pulls updates into Git repos

Script

param([string]$parentDir = "$PWD")

try {
	$stopWatch = [system.diagnostics.stopwatch]::startNew()

	Write-Host "? (1) Searching for Git executable...`t`t" -NoNewline
	& git --version
	if ($lastExitCode -ne 0) { throw "Can't execute 'git' - make sure Git is installed and available" }

	Write-Host "? (2) Checking parent folder...`t`t" -NoNewline
	if (-not(Test-Path "$parentDir" -pathType container)) { throw "Can't access folder: $parentDir" }
	$folders = (Get-ChildItem "$parentDir" -attributes Directory)
	$numFolders = $folders.Count
	$parentDirName = (Get-Item "$parentDir").Name
	Write-Host "$parentDir with $numFolders subfolders"

	[int]$step = 3
	[int]$numFailed = 0
	foreach ($folder in $folders) {
		$folderName = (Get-Item "$folder").Name
		Write-Host "? ($step/$($numFolders + 2)) Pulling into '$folderName'...`t`t" -NoNewline

		& git -C "$folder" pull --recurse-submodules=yes
		if ($lastExitCode -ne 0) { $numFailed++; Write-Warning "'git pull' into ??$folderName failed" }

		& git -C "$folder" submodule update --init --recursive
		if ($lastExitCode -ne 0) { $numFailed++; Write-Warning "'git submodule update' in ??$folderName failed with exit code $lastExitCode" }
		$step++
	}
	[int]$elapsed = $stopWatch.Elapsed.TotalSeconds
	if ($numFailed -eq 0) {
		"? Pulled updates into $numFolders Git repos at ??$parentDir in $($elapsed)s."
		exit 0 # success
	} else {
		"?? Pulled updates into $numFolders Git repos at ??$parentDir but $numFailed failed (took $($elapsed)s)!"
		exit 1
	}
} catch {
	"?? ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}

Customize

parentDir string

Specifies the path to the parent folder