<# .SYNOPSIS Fetches updates for Git repos .DESCRIPTION This PowerShell script fetches updates for all Git repositories in a folder (including submodules). .PARAMETER ParentDir Specifies the path to the parent folder .EXAMPLE PS> ./fetch-repos C:\MyRepos .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> param([string]$ParentDir = "$PWD") try { $StopWatch = [system.diagnostics.stopwatch]::startNew() Write-Host "⏳ (1) Searching for Git executable... " -noNewline & git --version if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" } Write-Host "⏳ (2) Checking parent folder... " -noNewline if (-not(Test-Path "$ParentDir" -pathType container)) { throw "Can't access folder: $ParentDir" } $ParentDirName = (Get-Item "$ParentDir").Name $Folders = (Get-ChildItem "$ParentDir" -attributes Directory) $NumFolders = $Folders.Count Write-Host "$NumFolders subfolders" [int]$Step = 2 foreach ($Folder in $Folders) { $FolderName = (Get-Item "$Folder").Name $Step++ Write-Host "⏳ ($Step/$($NumFolders + 2)) Fetching into 📂$FolderName... " & git -C "$Folder" fetch --all --recurse-submodules --prune --prune-tags --force if ($lastExitCode -ne "0") { throw "'git fetch' in $Folder failed with exit code $lastExitCode" } } [int]$Elapsed = $StopWatch.Elapsed.TotalSeconds "✔️ fetched $NumFolders Git repositories in 📂$ParentDirName in $Elapsed sec." exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }