Tell between packed, unpacked and symbolic refs.

This adds a "int *flag" parameter to resolve_ref() and makes
for_each_ref() family to call callback function with an extra
"int flag" parameter.  They are used to give two bits of
information (REF_ISSYMREF and REF_ISPACKED) about the ref.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/refs.h b/refs.h
index 886c857105..305d408690 100644
--- a/refs.h
+++ b/refs.h
@@ -14,7 +14,9 @@ struct ref_lock {
  * Calls the specified function for each ref file until it returns nonzero,
  * and returns the value
  */
-typedef int each_ref_fn(const char *refname, const unsigned char *sha1, void *cb_data);
+#define REF_ISSYMREF 01
+#define REF_ISPACKED 02
+typedef int each_ref_fn(const char *refname, const unsigned char *sha1, int flags, void *cb_data);
 extern int head_ref(each_ref_fn, void *);
 extern int for_each_ref(each_ref_fn, void *);
 extern int for_each_tag_ref(each_ref_fn, void *);