GIT-VERSION-GEN

   1 #!/usr/bin/env ruby
   2 CONSTANT = "OMGF::VERSION"
   3 RVF = "lib/omgf/version.rb"
   4 GVF = "GIT-VERSION-FILE"
   5 DEF_VER = "v0.0.9"
   6 vn = DEF_VER
   7
   8 # First see if there is a version file (included in release tarballs),
   9 # then try git-describe, then default.
  10 if File.exist?(".git")
  11   describe = `git describe --abbrev=4 HEAD 2>/dev/null`.strip
  12   case describe
  13   when /\Av[0-9]*/
  14     vn = describe
  15     system(*%w(git update-index -q --refresh))
  16     unless `git diff-index --name-only HEAD --`.chomp.empty?
  17       vn << "-dirty"
  18     end
  19     vn.tr!('-', '.')
  20   end
  21 end
  22
  23 vn = vn.sub!(/\Av/, "")
  24 new_ruby_version = "#{CONSTANT} = '#{vn}'\n"
  25 cur_ruby_version = File.read(RVF) rescue nil
  26 if new_ruby_version != cur_ruby_version
  27   File.open(GVF, "w") { |fp| fp.write("GIT_VERSION = #{vn}\n") }
  28   File.open(RVF, "w") { |fp| fp.write(new_ruby_version) }
  29 end
  30 puts vn if $0 == __FILE__