<# .SYNOPSIS Pulls repository updates .DESCRIPTION This PowerShell script pulls updates for a local Git repository (including submodules). .PARAMETER RepoDir Specifies the file path to the local Git repository (default is working directory) .EXAMPLE PS> ./pull-repo .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> param([string]$RepoDir = "$PWD") try { $StopWatch = [system.diagnostics.stopwatch]::startNew() Write-Host "⏳ (1/4) Searching for Git executable... " -noNewline & git --version if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" } $RepoDirName = (Get-Item "$RepoDir").Name "⏳ (2/4) Checking Git repository 📂$RepoDirName... " if (-not(Test-Path "$RepoDir" -pathType container)) { throw "Can't access folder: $RepoDir" } $Result = (git -C "$RepoDir" status) if ("$Result" -match "HEAD detached at ") { throw "Currently in detached HEAD state (not on a branch!), so nothing to pull" } "⏳ (3/4) Pulling updates..." & git -C "$RepoDir" pull --recurse-submodules=yes if ($lastExitCode -ne "0") { throw "'git pull' failed with exit code $lastExitCode" } "⏳ (4/4) Updating submodules... " & git -C "$RepoDir" submodule update --init --recursive if ($lastExitCode -ne "0") { throw "'git submodule update' failed with exit code $lastExitCode" } [int]$Elapsed = $StopWatch.Elapsed.TotalSeconds "✔️ updated 📂$RepoDirName repository in $Elapsed sec." exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }