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