refs: remove the extra_refs API

The extra_refs provided a kludgy way to create fake references at a
global level in the hope that they would only affect some particular
code path.  The last user of this API been rewritten, so strip this
stuff out before somebody else gets the bad idea of using it.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/refs.c b/refs.c
index b8843bb4769a2c5e3496d962f8d6b85a483fa92e..c9f68353517bb6dcd4b19114a5191fdf9075a8d1 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -183,12 +183,6 @@ static struct ref_cache {
 
 static struct ref_entry *current_ref;
 
-/*
- * Never call sort_ref_array() on the extra_refs, because it is
- * allowed to contain entries with duplicate names.
- */
-static struct ref_array extra_refs;
-
 static void clear_ref_array(struct ref_array *array)
 {
        int i;
@@ -289,16 +283,6 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
        }
 }
 
-void add_extra_ref(const char *refname, const unsigned char *sha1, int flag)
-{
-       add_ref(&extra_refs, create_ref_entry(refname, sha1, flag, 0));
-}
-
-void clear_extra_refs(void)
-{
-       clear_ref_array(&extra_refs);
-}
-
 static struct ref_array *get_packed_refs(struct ref_cache *refs)
 {
        if (!refs->did_packed) {
@@ -733,16 +717,11 @@ fallback:
 static int do_for_each_ref(const char *submodule, const char *base, each_ref_fn fn,
                           int trim, int flags, void *cb_data)
 {
-       int retval = 0, i, p = 0, l = 0;
+       int retval = 0, p = 0, l = 0;
        struct ref_cache *refs = get_ref_cache(submodule);
        struct ref_array *packed = get_packed_refs(refs);
        struct ref_array *loose = get_loose_refs(refs);
 
-       struct ref_array *extra = &extra_refs;
-
-       for (i = 0; i < extra->nr; i++)
-               retval = do_one_ref(base, fn, trim, flags, cb_data, extra->refs[i]);
-
        sort_ref_array(packed);
        sort_ref_array(loose);
        while (p < packed->nr && l < loose->nr) {

diff --git a/refs.h b/refs.h
index 00ba1e2813b2c2fff74300e3b2036a04f9e28065..33202b0d4c85cafdaf60b568a6f728dd83462c46 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -56,14 +56,6 @@ extern void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refn
  */
 extern void add_packed_ref(const char *refname, const unsigned char *sha1);
 
-/*
- * Extra refs will be listed by for_each_ref() before any actual refs
- * for the duration of this process or until clear_extra_refs() is
- * called. Only extra refs added before for_each_ref() is called will
- * be listed on a given call of for_each_ref().
- */
-extern void add_extra_ref(const char *refname, const unsigned char *sha1, int flags);
-extern void clear_extra_refs(void);
 extern int ref_exists(const char *);
 
 extern int peel_ref(const char *refname, unsigned char *sha1);