autopopulate_git_sha.rb

#!/usr/bin/env macruby

# From: http://www.stompy.org/2008/08/14/xcode-and-git-another-build-script/
# Expanded from here: http://www.furmanek.net/36/using-macruby-to-set-xcode-project-version-from-git/
# Xcode auto-versioning script for Subversion by Axel Andersson
# Updated for git by Marcus S. Zarra and Matt Long
# Converted to ruby by Abizern
# Converted to MacRuby by Gregory Furmanek
# Merged with MacRuby version by elliottcable
# Dirty handling, style and build-only version update by timshadel
# Appends the git sha to the version number set in Xcode.
 
git = '/opt/local/bin/git'
sha = `#{git} rev-parse --short HEAD`.chomp
working_state = `#{git} status 2> /dev/null | tail -n1`.chomp
dirty = (working_state == "nothing to commit (working directory clean)") ? "" : "?"

info_file = ENV['BUILT_PRODUCTS_DIR'] + "/" + ENV['INFOPLIST_PATH']
 
list = NSMutableDictionary.dictionaryWithContentsOfFile info_file
list['CFBundleVersion'] = "#{dirty}#{sha}#{dirty} #{ENV['BUILD_STYLE']}"
list.writeToFile ENV['BUILT_PRODUCTS_DIR'] + "/" + ENV['INFOPLIST_PATH'], :atomically => true