Add "git_path()" and "head_ref()" helper functions.

"git_path()" returns a static pathname pointer into the git directory
using a printf-like format specifier.

"head_ref()" works like "for_each_ref()", except for just the HEAD.

1 files changed, 1 insertions, 0 deletions

diff --git a/refs.h b/refs.h
index a79cb13cd9..2625596701 100644
--- a/refs.h
+++ b/refs.h
@@ -5,6 +5,7 @@
  * Calls the specified function for each ref file until it returns nonzero,
  * and returns the value
  */
+extern int head_ref(int (*fn)(const char *path, const unsigned char *sha1));
 extern int for_each_ref(int (*fn)(const char *path, const unsigned char *sha1));
 
 /** Reads the refs file specified into sha1 **/