dwim_ref(): Separate name-to-ref DWIM code out.

I'll be using this in another function to figure out what to
pass to resolve_ref().

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/cache.h b/cache.h
index e6e19bdef..a218db3b3 100644
--- a/cache.h
+++ b/cache.h
@@ -299,6 +299,8 @@ 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);
 extern const char *resolve_ref(const char *path, unsigned char *sha1, int, int *);
+extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
+
 extern int create_symref(const char *ref, const char *refs_heads_master);
 extern int validate_headref(const char *ref);