Added Files

Powershell/Scripts/create-branch.ps1

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+<#
+.SYNTAX       create-branch.ps1 [<new-branch-name>] [<repo-dir>]
+.DESCRIPTION  creates and switches to a new branch in a Git repository 
+.LINK         https://github.com/fleschutz/PowerShell
+.NOTES        Author: Markus Fleschutz / License: CC0
+#>
+
+param($NewBranchName = "", $RepoDir = "$PWD")
+if ($NewBranchName -eq "") { $NewBranchName = read-host "Enter new branch name" }
+
+try {
+	$StopWatch = [system.diagnostics.stopwatch]::startNew()
+
+	if (-not(test-path "$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
+	"🢃 Fetching updates for Git repository 📂$RepoDirName ..."
+
+	& git fetch --all --recurse-submodules --jobs=4
+	if ($lastExitCode -ne "0") { throw "'git fetch' failed" }
+
+	& git checkout -b "$NewBranchName"
+	if ($lastExitCode -ne "0") { throw "'git checkout -b $NewBranchName' failed" }
+
+	& git push origin "$NewBranchName"
+	if ($lastExitCode -ne "0") { throw "'git push origin $NewBranchName' failed" }
+
+	& git submodule update --init --recursive
+	if ($lastExitCode -ne "0") { throw "'git submodule update' failed" }
+
+	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
+	"✔️ created new branch '$NewBranchName' in Git repository 📂$RepoDirName in $Elapsed sec"
+	exit 0
+} catch {
+	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}