return ret;
}
+static void query_refspecs_multiple(struct refspec *refs, int ref_count, struct refspec *query, struct string_list *results)
+{
+ int i;
+ int find_src = !query->src;
+
+ if (find_src && !query->dst)
+ error("query_refspecs_multiple: need either src or dst");
+
+ for (i = 0; i < ref_count; i++) {
+ struct refspec *refspec = &refs[i];
+ const char *key = find_src ? refspec->dst : refspec->src;
+ const char *value = find_src ? refspec->src : refspec->dst;
+ const char *needle = find_src ? query->dst : query->src;
+ char **result = find_src ? &query->src : &query->dst;
+
+ if (!refspec->dst)
+ continue;
+ if (refspec->pattern) {
+ if (match_name_with_pattern(key, needle, value, result))
+ string_list_append_nodup(results, *result);
+ } else if (!strcmp(needle, key)) {
+ string_list_append(results, value);
+ }
+ }
+}
+
int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
{
int i;
}
}
if (!matched) {
- *matched_ref = matched_weak;
+ if (matched_ref)
+ *matched_ref = matched_weak;
return weak_match;
}
else {
- *matched_ref = matched;
+ if (matched_ref)
+ *matched_ref = matched;
return match;
}
}
return ref;
}
-static struct ref *try_explicit_object_name(const char *name)
+static int try_explicit_object_name(const char *name,
+ struct ref **match)
{
unsigned char sha1[20];
- struct ref *ref;
- if (!*name)
- return alloc_delete_ref();
+ if (!*name) {
+ if (match)
+ *match = alloc_delete_ref();
+ return 0;
+ }
+
if (get_sha1(name, sha1))
- return NULL;
- ref = alloc_ref(name);
- hashcpy(ref->new_sha1, sha1);
- return ref;
+ return -1;
+
+ if (match) {
+ *match = alloc_ref(name);
+ hashcpy((*match)->new_sha1, sha1);
+ }
+ return 0;
}
static struct ref *make_linked_ref(const char *name, struct ref ***tail)
return strbuf_detach(&buf, NULL);
}
+static int match_explicit_lhs(struct ref *src,
+ struct refspec *rs,
+ struct ref **match,
+ int *allocated_match)
+{
+ switch (count_refspec_match(rs->src, src, match)) {
+ case 1:
+ if (allocated_match)
+ *allocated_match = 0;
+ return 0;
+ case 0:
+ /* The source could be in the get_sha1() format
+ * not a reference name. :refs/other is a
+ * way to delete 'other' ref at the remote end.
+ */
+ if (try_explicit_object_name(rs->src, match) < 0)
+ return error("src refspec %s does not match any.", rs->src);
+ if (allocated_match)
+ *allocated_match = 1;
+ return 0;
+ default:
+ return error("src refspec %s matches more than one.", rs->src);
+ }
+}
+
static int match_explicit(struct ref *src, struct ref *dst,
struct ref ***dst_tail,
struct refspec *rs)
{
struct ref *matched_src, *matched_dst;
- int copy_src;
+ int allocated_src;
const char *dst_value = rs->dst;
char *dst_guess;
return 0;
matched_src = matched_dst = NULL;
- switch (count_refspec_match(rs->src, src, &matched_src)) {
- case 1:
- copy_src = 1;
- break;
- case 0:
- /* The source could be in the get_sha1() format
- * not a reference name. :refs/other is a
- * way to delete 'other' ref at the remote end.
- */
- matched_src = try_explicit_object_name(rs->src);
- if (!matched_src)
- return error("src refspec %s does not match any.", rs->src);
- copy_src = 0;
- break;
- default:
- return error("src refspec %s matches more than one.", rs->src);
- }
+ if (match_explicit_lhs(src, rs, &matched_src, &allocated_src) < 0)
+ return -1;
if (!dst_value) {
unsigned char sha1[20];
return error("dst ref %s receives from more than one src.",
matched_dst->name);
else {
- matched_dst->peer_ref = copy_src ? copy_ref(matched_src) : matched_src;
+ matched_dst->peer_ref = allocated_src ?
+ matched_src :
+ copy_ref(matched_src);
matched_dst->force = rs->force;
}
return 0;
sort_string_list(ref_index);
}
+/*
+ * Given only the set of local refs, sanity-check the set of push
+ * refspecs. We can't catch all errors that match_push_refs would,
+ * but we can catch some errors early before even talking to the
+ * remote side.
+ */
+int check_push_refs(struct ref *src, int nr_refspec, const char **refspec_names)
+{
+ struct refspec *refspec = parse_push_refspec(nr_refspec, refspec_names);
+ int ret = 0;
+ int i;
+
+ for (i = 0; i < nr_refspec; i++) {
+ struct refspec *rs = refspec + i;
+
+ if (rs->pattern || rs->matching)
+ continue;
+
+ ret |= match_explicit_lhs(src, rs, NULL, NULL);
+ }
+
+ free_refspec(nr_refspec, refspec);
+ return ret;
+}
+
/*
* Given the set of refs the local repository has, the set of refs the
* remote repository has, and the refspec used for push, determine
const unsigned char *sha1, int flags, void *cb_data)
{
struct stale_heads_info *info = cb_data;
+ struct string_list matches = STRING_LIST_INIT_DUP;
struct refspec query;
+ int i, stale = 1;
memset(&query, 0, sizeof(struct refspec));
query.dst = (char *)refname;
- if (query_refspecs(info->refs, info->ref_count, &query))
- return 0; /* No matches */
+ query_refspecs_multiple(info->refs, info->ref_count, &query, &matches);
+ if (matches.nr == 0)
+ goto clean_exit; /* No matches */
/*
* If we did find a suitable refspec and it's not a symref and
* it's not in the list of refs that currently exist in that
- * remote we consider it to be stale.
+ * remote, we consider it to be stale. In order to deal with
+ * overlapping refspecs, we need to go over all of the
+ * matching refs.
*/
- if (!((flags & REF_ISSYMREF) ||
- string_list_has_string(info->ref_names, query.src))) {
+ if (flags & REF_ISSYMREF)
+ goto clean_exit;
+
+ for (i = 0; stale && i < matches.nr; i++)
+ if (string_list_has_string(info->ref_names, matches.items[i].string))
+ stale = 0;
+
+ if (stale) {
struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail);
hashcpy(ref->new_sha1, sha1);
}
- free(query.src);
+clean_exit:
+ string_list_clear(&matches, 0);
return 0;
}