1 files changed, 28 insertions, 0 deletions

diff --git a/tools/mkgit.rb b/tools/mkgit.rb
new file mode 100755
index 0000000..2a6ef4c
--- /dev/null
+++ b/tools/mkgit.rb
@@ -0,0 +1,28 @@
+#!/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