match_explicit: hoist refspec lhs checks into their own function

diff --git a/remote.c b/remote.c
index 709a9cbd26fea972a6781581a0c345c8e95a7f6d..6aa9dd24617e6123ffed32bffc2f02d3be379a2b 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -852,7 +852,7 @@ static int match_name_with_pattern(const char *key, const char *name,
        return ret;
 }
 
-static int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
+int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
 {
        int i;
        int find_src = !query->src;
@@ -986,9 +986,9 @@ void sort_ref_list(struct ref **l, int (*cmp)(const void *, const void *))
        *l = llist_mergesort(*l, ref_list_get_next, ref_list_set_next, cmp);
 }
 
-static int count_refspec_match(const char *pattern,
-                              struct ref *refs,
-                              struct ref **matched_ref)
+int count_refspec_match(const char *pattern,
+                       struct ref *refs,
+                       struct ref **matched_ref)
 {
        int patlen = strlen(pattern);
        struct ref *matched_weak = NULL;
@@ -1000,7 +1000,7 @@ static int count_refspec_match(const char *pattern,
                char *name = refs->name;
                int namelen = strlen(name);
 
-               if (!refname_match(pattern, name, ref_rev_parse_rules))
+               if (!refname_match(pattern, name))
                        continue;
 
                /* A match is "weak" if it is with refs outside
@@ -1096,12 +1096,36 @@ static char *guess_ref(const char *name, struct ref *peer)
        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:
+               *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.
+                */
+               *match = try_explicit_object_name(rs->src);
+               if (!*match)
+                       return error("src refspec %s does not match any.", rs->src);
+               *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;
@@ -1110,23 +1134,8 @@ static int match_explicit(struct ref *src, struct ref *dst,
                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];
@@ -1171,7 +1180,9 @@ static int match_explicit(struct ref *src, struct ref *dst,
                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;
@@ -1571,7 +1582,7 @@ int branch_merge_matches(struct branch *branch,
 {
        if (!branch || i < 0 || i >= branch->merge_nr)
                return 0;
-       return refname_match(branch->merge[i]->src, refname, ref_fetch_rules);
+       return refname_match(branch->merge[i]->src, refname);
 }
 
 static int ignore_symref_update(const char *refname)
@@ -1624,7 +1635,7 @@ static const struct ref *find_ref_by_name_abbrev(const struct ref *refs, const c
 {
        const struct ref *ref;
        for (ref = refs; ref; ref = ref->next) {
-               if (refname_match(name, ref->name, ref_fetch_rules))
+               if (refname_match(name, ref->name))
                        return ref;
        }
        return NULL;
@@ -2121,7 +2132,7 @@ static void apply_cas(struct push_cas_option *cas,
        /* Find an explicit --<option>=<name>[:<value>] entry */
        for (i = 0; i < cas->nr; i++) {
                struct push_cas *entry = &cas->entry[i];
-               if (!refname_match(entry->refname, ref->name, ref_rev_parse_rules))
+               if (!refname_match(entry->refname, ref->name))
                        continue;
                ref->expect_old_sha1 = 1;
                if (!entry->use_tracking)