Add build-repos.ps1

Scripts/build-repos.ps1

@@ -0,0 +1,32 @@
+#!/usr/bin/pwsh
+<#
+.SYNTAX       build-repos.ps1 [<parent-dir>]
+.DESCRIPTION  builds all Git repositories under the current/given directory
+.LINK         https://github.com/fleschutz/PowerShell
+.NOTES        Author: Markus Fleschutz / License: CC0
+#>
+
+param($ParentDir = "$PWD")
+
+try {
+	"Building Git repositories under $($ParentDir)..."
+	$StartTime = get-date
+
+	if (-not(test-path "$ParentDir" -pathType container)) { throw "Can't access directory: $ParentDir" }
+	set-location $ParentDir
+
+	[int]$Count = 0
+	get-childItem $ParentDir -attributes Directory | foreach-object {
+		& "$PSScriptRoot/build-repo.ps1" "$ParentDir/$($_.FullName)"
+		if ($lastExitCode -ne "0") { throw "'git fetch --all --recurse-submodules' failed" }
+
+		$Count++
+	}
+
+	$Elapsed = new-timeSpan -start $StartTime -end (get-date)
+	write-host -foregroundColor green "OK - built $Count Git repositories under $ParentDir in $($Elapsed.seconds) second(s)"
+	exit 0
+} catch {
+	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}