Add create-branch.ps1

Data/scripts.csv

@@ -26,6 +26,7 @@ close-thunderbird.ps1, closes Mozilla Thunderbird gracefully
 close-vlc.ps1, closes the VLC media player gracefully
 close-windows-terminal.ps1, closes Windows Terminal gracefully
 configure-git.ps1, sets up the Git user configuration
+create-branch.ps1, creates a new branch in the current/given Git repository 
 create-shortcut.ps1, creates a shortcut
 create-symlink.ps1, creates a symbolic link
 csv-to-text.ps1, converts the given CSV file into a text list

README.md

@@ -115,6 +115,7 @@ Mega Collection of PowerShell Scripts
 * [clean-branch.ps1](Scripts/clean-branch.ps1) - cleans the current Git branch (including submodules) from generated files
 * [clone-repos.ps1](Scripts/clone-repos.ps1) - clones well-known Git repositories
 * [configure-git.ps1](Scripts/configure-git.ps1) - sets up the Git user configuration
+* [create-branch.ps1](Scripts/create-branch.ps1) - creates a new branch in the current/given Git repository 
 * [fetch-repo.ps1](Scripts/fetch-repo.ps1) - fetches updates for the current/given Git repository (including submodules)
 * [fetch-repos.ps1](Scripts/fetch-repos.ps1) - fetches updates for all Git repositories under the current/given directory (including submodules)
 * [list-branches.ps1](Scripts/list-branches.ps1) - lists all branches in the current/given Git repository 

Scripts/create-branch.ps1

@@ -0,0 +1,35 @@
+#!/bin/powershell
+<#
+.SYNTAX       ./create-branch.ps1 [<new-branch-name>] [<repo-dir>]
+.DESCRIPTION  creates a new branch in the current/given Git repository 
+.LINK         https://github.com/fleschutz/PowerShell
+.NOTES        Author: Markus Fleschutz / License: CC0
+#>
+
+param($NewBranchName = "", $RepoDir = "$PWD")
+
+if ($NewBranchName -eq "") {
+	$NewBranchName = read-host "Enter new branch name"
+}
+
+try {
+	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
+	set-location "$RepoDir"
+
+	& git --version
+	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
+
+	& git checkout -b "$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" }
+
+	exit 0
+} catch {
+	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}