<# .SYNOPSIS Switches the Git branch .DESCRIPTION This PowerShell script switches to another branch in a Git repository (including submodules). .PARAMETER branchName Specifies the branch name .PARAMETER repoDir Specifies the path to the local Git repository .EXAMPLE PS> ./switch-branch main C:\MyRepo ⏳ (1/6) Searching for Git executable... git version 2.42.0.windows.1 ⏳ (2/6) Checking local repository... ⏳ (3/6) Fetching updates... ⏳ (4/6) Switching to branch 'main'... ⏳ (5/6) Pulling updates... ⏳ (6/6) Updating submodules... ✔️ Switched repo 📂MyRepo to branch 'main' in 22 sec .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> param([string]$branchName = "", [string]$repoDir = "$PWD") try { if ($branchName -eq "") { $branchName = Read-Host "Enter the branch name to switch to" } if ($repoDir -eq "") { $repoDir = Read-Host "Enter the path to the local Git repository" } $StopWatch = [system.diagnostics.stopwatch]::startNew() Write-Host "⏳ (1/6) Searching for Git executable... " -noNewline & git --version if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" } Write-Host "⏳ (2/6) Checking local repository..." $repoDir = Resolve-Path "$repoDir" if (-not(Test-Path "$repoDir" -pathType container)) { throw "Can't access directory: $repoDir" } $Result = (git status) if ($lastExitCode -ne "0") { throw "'git status' in $repoDir failed with exit code $lastExitCode" } if ("$Result" -notmatch "nothing to commit, working tree clean") { throw "Git repository is NOT clean: $Result" } $repoDirName = (Get-Item "$repoDir").Name "⏳ (3/6) Fetching latest updates..." & git -C "$repoDir" fetch --all --prune --prune-tags --force if ($lastExitCode -ne "0") { throw "'git fetch' failed with exit code $lastExitCode" } "⏳ (4/6) Switching to branch '$branchName'..." & git -C "$repoDir" checkout --recurse-submodules "$branchName" if ($lastExitCode -ne "0") { throw "'git checkout $branchName' failed with exit code $lastExitCode" } "⏳ (5/6) Pulling updates..." & git -C "$repoDir" pull --recurse-submodules if ($lastExitCode -ne "0") { throw "'git pull' failed with exit code $lastExitCode" } "⏳ (6/6) Updating submodules..." & git -C "$repoDir" submodule update --init --recursive if ($lastExitCode -ne "0") { throw "'git submodule update' failed with exit code $lastExitCode" } [int]$Elapsed = $StopWatch.Elapsed.TotalSeconds "✔️ Switched repo 📂$repoDirName to branch '$branchName' in $Elapsed sec" exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }