[PATCH] Allow reading "symbolic refs" that point to other refs

diff --git a/cache.h b/cache.h
index b8e3d9bfacfb0fa924accd705bac18238c138eb8..958c96e14df40668f35dd6901145046237570133 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -229,6 +229,7 @@ extern int has_pack_index(const unsigned char *sha1);
 extern int get_sha1(const char *str, unsigned char *sha1);
 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
 extern char *sha1_to_hex(const unsigned char *sha1);   /* static buffer result! */
+extern int read_ref(const char *filename, unsigned char *sha1);
 
 /* General helper functions */
 extern void usage(const char *err) NORETURN;