XCode - Run Script to automatically set build # to git commit #

xcode_set_build_num.rb

#!/usr/bin/ruby
# xcode-git-cfbundleversion.rb
# Update CFBundleVersion in Info.plist file with short Git revision string
# http://github.com/guicocoa/xcode-git-cfbundleversion/
#
# This is based on
# http://github.com/digdog/xcode-git-cfbundleversion/
# http://github.com/jsallis/xcode-git-versioner
# http://github.com/juretta/iphone-project-tools/tree/v1.0.3

require 'rubygems'
begin
require 'Plist'
rescue LoadError => e
puts "You need to install the 'Plist' gem: [sudo] gem install plist"
exit 1
end

raise "Must be run from Xcode" unless ENV['XCODE_VERSION_ACTUAL']

GIT = "/usr/bin/git"
PRODUCT_PLIST = File.join(ENV['BUILT_PRODUCTS_DIR'], ENV['INFOPLIST_PATH'])
DSYM_PLIST = File.join(ENV['DWARF_DSYM_FOLDER_PATH'], ENV['DWARF_DSYM_FILE_NAME'], "Contents/Info.plist")
REVISION = `#{GIT} log --pretty=oneline'' | wc -l`.to_s.strip
BUNDLE_VERSION = "CFBundleVersion"

if File.file?(PRODUCT_PLIST) and REVISION

# update product plist
`/usr/bin/plutil -convert xml1 \"#{PRODUCT_PLIST}\"`
info = Plist::parse_xml(PRODUCT_PLIST)
if info
info[BUNDLE_VERSION] = REVISION
info.save_plist(PRODUCT_PLIST)
end
`/usr/bin/plutil -convert binary1 \"#{PRODUCT_PLIST}\"`

# update dSYM plist
`/usr/bin/plutil -convert xml1 \"#{DSYM_PLIST}\"`
info = Plist::parse_xml(DSYM_PLIST)
if info
info[BUNDLE_VERSION] = REVISION
info.save_plist(DSYM_PLIST)
end
`/usr/bin/plutil -convert binary1 \"#{DSYM_PLIST}\"`

# log
puts "updated #{BUNDLE_VERSION} to #{REVISION}"

end