GIT-VERSION-GEN

   1 #!/usr/bin/env ruby
   2 CONSTANT = "MogileFS::VERSION"
   3 RVF = "lib/mogilefs/version.rb"
   4 DEF_VER = "v2.2.0.GIT"
   5 vn = DEF_VER
   6
   7 # First see if there is a version file (included in release tarballs),
   8 # then try git-describe, then default.
   9 if File.exist?(".git")
  10   describe = `git describe --abbrev=4 HEAD 2>/dev/null`.strip
  11   case describe
  12   when /\Av[0-9]*/
  13     vn = describe
  14     system(*%w(git update-index -q --refresh))
  15     unless `git diff-index --name-only HEAD --`.chomp.empty?
  16       vn << "-dirty"
  17     end
  18     vn.tr!('-', '.')
  19   end
  20 end
  21
  22 vn = vn.sub!(/\Av/, "")
  23 new_ruby_version = "#{CONSTANT} = '#{vn}'\n"
  24 cur_ruby_version = File.read(RVF) rescue nil
  25 if new_ruby_version != cur_ruby_version
  26   File.open(RVF, "w") { |fp| fp.write(new_ruby_version) }
  27 end
  28 puts vn if $0 == __FILE__