Added list-commits-live.ps1

scripts/list-commits-live.ps1

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+<#
+.SYNOPSIS
+	List commits live in real-time.
+.DESCRIPTION
+	This PowerShell script permanently lists the latest commit in a Git repository in real-time.
+.PARAMETER RepoDir
+	Specifies the file path to the local Git repository.
+.EXAMPLE
+	PS> ./commit-ticker.ps1
+	❇️ Updated general.csv by Markus Fleschutz (HEAD -> main, origin/main, origin/HEAD)
+	...
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+param([string]$RepoDir = "$PWD")
+
+try {
+	Write-Progress "Searching for Git executable..."
+	$null = (git --version)
+	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
+
+	Write-Progress "Checking file patch to Git repository..."
+	if (-not(Test-Path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
+	Write-Progress -completed "Done."
+
+	$linePrev = ""
+	for (;;) {
+		& git -C "$RepoDir" fetch --recurse-submodules=no --jobs=1 --quiet
+		if ($lastExitCode -ne "0") { throw "'git fetch' failed" }
+
+		$lineNow = (git -C "$RepoDir" log --format=format:'%s by %an%d' -n 1)
+		if ($lineNow -ne $linePrev) {
+			Write-Host "❇️ $lineNow"
+			$linePrev = $lineNow
+		}
+		Start-Sleep -seconds 1
+	}
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}