<# .SYNOPSIS Create a New Git Branch .DESCRIPTION This PowerShell script creates and switches to a new branch in a Git repository. .PARAMETER BranchName Specifies the branch name (or needs to be entered) .PARAMETER RepoDir Specifies the path to the Git repository (or working directory per default) .EXAMPLE PS> ./new-branch test123 .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 new branch name" } $StopWatch = [system.diagnostics.stopwatch]::startNew() "⏳ Step 1/4: Checking requirements... " if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" } set-location "$RepoDir" $Null = (git --version) if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" } $RepoDirName = (get-item "$RepoDir").Name "⏳ Step 2/4: Fetching updates..." & git fetch --all --recurse-submodules --prune --prune-tags --force if ($lastExitCode -ne "0") { throw "'git fetch' failed" } "⏳ Step 3/4: Checkout and push new branch..." & git checkout -b "$BranchName" if ($lastExitCode -ne "0") { throw "'git checkout -b $BranchName' failed" } & git push origin "$BranchName" if ($lastExitCode -ne "0") { throw "'git push origin $BranchName' failed" } "⏳ Step 4/4: Updating submodules..." & git submodule update --init --recursive if ($lastExitCode -ne "0") { throw "'git submodule update' failed" } [int]$Elapsed = $StopWatch.Elapsed.TotalSeconds "✔️ created new branch '$BranchName' in Git repository 📂$RepoDirName in $Elapsed sec" exit 0 # success } catch { "⚠️ Error: $($Error[0]) ($($MyInvocation.MyCommand.Name):$($_.InvocationInfo.ScriptLineNumber))" exit 1 }