Add write-changelog.ps1

Scripts/write-changelog.ps1

@@ -0,0 +1,86 @@
+<#
+.SYNOPSIS
+        Writes a changelog
+.DESCRIPTION
+        This PowerShell script writes a changelog by using the Git commits.
+.EXAMPLE
+        PS> ./write-changelog.ps1
+	  
+	1. New Features
+	---------------
+	...
+.LINK
+        https://github.com/fleschutz/PowerShell
+.NOTES
+        Author: Markus Fleschutz | License: CC0
+#>
+ 
+try {
+	#Set-Location (Split-Path $MyInvocation.MyCommand.Path)
+	$branch = $args[0]
+	$version = ($args[1]+"..")
+	$path = $args[2]
+
+	Write-Progress "Listing Git commits..."
+	$commits = (git log --boundary --pretty=oneline --pretty=format:%s $version)
+
+	Write-Progress "Sorting the Git commits..."
+	$features = @()
+	$fixes = @()
+	$updates = @()
+	$other = @()
+	foreach($commit in $commits) {
+ 		if ($commit -like "New*") {
+ 			$features += $commit
+		} elseif ($commit -like "Add*") {
+ 			$features += $commit
+		} elseif ($commit -like "Create*") {
+ 			$features += $commit
+		} elseif ($commit -like "Fix*") {
+ 			$fixes += $commit
+ 		} elseif ($commit -like "Hotfix*") {
+ 			$fixes += $commit
+		} elseif ($commit -like "Update*") {
+ 			$updates += $commit
+		} elseif ($commit -like "Updaate*") {
+ 			$updates += $commit
+		} elseif ($commit -like "Improve*") {
+ 			$updates += $commit
+		} elseif ($commit -like "Change*") {
+ 			$updates += $commit
+ 		} else {
+			$other += $commit
+		}
+ 	}
+	Write-Progress "Writing output..."
+	$tab = "    "
+	Write-Output " "
+	Write-Output "1. New Features"
+	Write-Output "---------------"
+ 	foreach($c in $features) {
+ 		Write-Output ($tab + "- " + $c)
+	}
+	Write-Output " "
+ 	Write-Output "2. Hotfixes"
+	Write-Output "-----------"
+ 	foreach($c in $fixes) {
+ 		Write-Output ($tab + "- " + $c)
+ 	}
+	Write-Output " "
+	Write-Output "3. Updates"
+	Write-Output "----------"
+	foreach($c in $updates) {
+		Write-Output ($tab + "- " + $c)
+	}
+	Write-Output " "
+	Write-Output "4. Various Changes"
+	Write-Output "------------------"
+	foreach($c in $other) {
+		Write-Output ($tab + "- " + $c)
+	}
+	Write-Progress -completed " "
+	exit 0 # success
+} catch {
+	Write-Error $_.Exception.ToString()
+	exit 1
+}