Added search-repo.ps1

Author: Markus Fleschutz

scripts/search-repo.ps1

@@ -0,0 +1,38 @@
+<#
+.SYNOPSIS
+	Searches for text in a repo
+.DESCRIPTION
+	This PowerShell script searches for the given text pattern in a Git repository.
+.PARAMETER textPattern
+	Specifies the text pattern to search for
+.PARAMETER path
+	Specifies the file path to the local Git repository 
+.EXAMPLE
+	PS> ./search-repo.ps1 UFO
+	list-calendar.ps1:            Write-Host (" " * 4 * [int](Get-Date $day -uformat %u)) -NoNewLine
+	list-calendar.ps1:            $dayOffset = [int](Get-Date -day 1 -month ($month + $i) -year $year -uformat %u)
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+param([string]$textPattern = "", [string]$path = "$PWD")
+
+
+try {
+	if ($textPattern -eq "" ) { $textPattern = Read-Host "Enter the text pattern, e.g. 'UFO'" }
+
+	if (-not(Test-Path "$path" -pathType container)) { throw "Can't access Git repository at: $path" }
+
+	$null = (git --version)
+	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
+
+	& git -C "$path" grep $textPattern
+	if ($lastExitCode -ne "0") { throw "'git grep' failed with exit code $lastExitCode" }
+
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}