Added fetch-repo.ps1

Scripts/fetch-repo.ps1

@@ -0,0 +1,31 @@
+#!/bin/powershell
+<#
+.SYNTAX         ./fetch-repo.ps1 [<repo-dir>]
+.DESCRIPTION	fetches a single Git repository at the current/given directory (including submodules)
+.LINK		https://github.com/fleschutz/PowerShell
+.NOTES		Author:	Markus Fleschutz / License: CC0
+#>
+
+param($RepoDir = "$PWD")
+
+try {
+	write-output "Fetching repository $RepoDir at $env:computername ..."
+
+	if (-not(test-path "$RepoDir")) { throw "Repository at $RepoDir is non-existing" }
+	set-location "$RepoDir"
+
+	& git --version
+	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
+
+	& git fetch --recurse-submodules
+	if ($lastExitCode -ne "0") { throw "'git fetch --recurse-submodules' failed" }
+
+	& git status
+	if ($lastExitCode -ne "0") { throw "'git status' failed" }
+
+	write-host -foregroundColor green "OK - repository $RepoDir has been fetched"
+	exit 0
+} catch {
+	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}