Add script check-repos.ps1

scripts/check-repos.ps1

@@ -0,0 +1,40 @@
+<#
+.SYNOPSIS
+	Checks Git repositories
+.DESCRIPTION
+	This PowerShell script checks all Git repositories in a folder.
+.PARAMETER parentDir
+	Specifies the path to the parent folder
+.EXAMPLE
+	PS> ./check-repos.ps1 C:\MyRepos
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+param([string]$parentDir = "$PWD")
+
+try {
+	$stopWatch = [system.diagnostics.stopwatch]::startNew()
+
+	$parentDirName = (Get-Item "$parentDir").Name
+	"⏳ Step 1 - Checking parent folder 📂$parentDirName..."
+	if (-not(Test-Path "$parentDir" -pathType container)) { throw "Can't access folder: $parentDir" }
+	$folders = (Get-ChildItem "$parentDir" -attributes Directory)
+	$numFolders = $folders.Count
+	"Found $numFolders subfolders."
+
+	[int]$Step = 1
+	foreach ($folder in $folders) {
+		& "$PSScriptRoot/check-repo.ps1" "$folder"
+		$Step++
+	}
+
+	[int]$elapsed = $stopWatch.Elapsed.TotalSeconds
+	"✔️ Checked $numFolders Git repos at 📂$parentDirName in $elapsed sec"
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}