From cd42e24ac76444abfd37ae344ecebff88054341b Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Mon, 9 Mar 2015 02:23:59 -0700
Subject: [PATCH] Automate 'Based on' line.

---
 Gruntfile.coffee | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Gruntfile.coffee b/Gruntfile.coffee
index f2a346132..59dac0a51 100755
--- a/Gruntfile.coffee
+++ b/Gruntfile.coffee
@@ -421,5 +421,9 @@ module.exports = (grunt) ->
     throw new Error 'Separator not found.' if breakPos is -1
     breakPos += separator.length
 
+    prevVersion = changelog[breakPos..].match(/\*\*v([\d\.]+)\*\*/)[1]
+    unless prevVersion.replace(/\.\d+$/, '') is branch
+      line += "\n- Based on v#{prevVersion}."
+
     grunt.file.write 'CHANGELOG.md', "#{changelog[...breakPos]}\n\n#{line}#{changelog[breakPos..]}"
     grunt.log.ok "Changelog updated for v#{version}."