#!/usr/bin/ruby -w

$stdout.write(<<END)
#include "git-tag.h"

END

IO.popen(["git", "describe", "--always", "--dirty", "--long", "--tags"], "r") do | io |
  $stdout.write("const char *GIT_TAG = #{io.read.strip.dump};\n")
end

IO.popen(["git", "diff"]) do | io |
  diff = io.read
  if diff.strip == ""
    $stdout.write("const char *GIT_DIFF = nullptr;\n")
  else
    $stdout.write("const char *GIT_DIFF = #{diff.dump};\n")
  end
end

IO.popen(["git", "diff", "--stat"]) do | io |
  stat = io.read
  if stat.strip == ""
    $stdout.write("const char *GIT_STAT = nullptr;\n")
  else
    $stdout.write("const char *GIT_STAT = #{stat.dump};\n")
  end
end