Merge branch 'maint'

[git.git] / remote.c

diff --git a/remote.c b/remote.c
index 969aa1169036ce8978790e4dae2df66b3f2e4190..e53a6eb7769e2884f77819c73423c31e49b0114e 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -1322,8 +1322,12 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
 
                        if (!prefixcmp(ref->name, "refs/tags/"))
                                why = REF_STATUS_REJECT_ALREADY_EXISTS;
-                       else if (!has_sha1_file(ref->old_sha1)
-                                || !ref_newer(ref->new_sha1, ref->old_sha1))
+                       else if (!has_sha1_file(ref->old_sha1))
+                               why = REF_STATUS_REJECT_FETCH_FIRST;
+                       else if (!lookup_commit_reference_gently(ref->old_sha1, 1) ||
+                                !lookup_commit_reference_gently(ref->new_sha1, 1))
+                               why = REF_STATUS_REJECT_NEEDS_FORCE;
+                       else if (!ref_newer(ref->new_sha1, ref->old_sha1))
                                why = REF_STATUS_REJECT_NONFASTFORWARD;
 
                        if (!force_ref_update)
@@ -1375,6 +1379,16 @@ int branch_merge_matches(struct branch *branch,
        return refname_match(branch->merge[i]->src, refname, ref_fetch_rules);
 }
 
+static int ignore_symref_update(const char *refname)
+{
+       unsigned char sha1[20];
+       int flag;
+
+       if (!resolve_ref_unsafe(refname, sha1, 0, &flag))
+               return 0; /* non-existing refs are OK */
+       return (flag & REF_ISSYMREF);
+}
+
 static struct ref *get_expanded_map(const struct ref *remote_refs,
                                    const struct refspec *refspec)
 {
@@ -1388,7 +1402,8 @@ static struct ref *get_expanded_map(const struct ref *remote_refs,
                if (strchr(ref->name, '^'))
                        continue; /* a dereference item */
                if (match_name_with_pattern(refspec->src, ref->name,
-                                           refspec->dst, &expn_name)) {
+                                           refspec->dst, &expn_name) &&
+                   !ignore_symref_update(expn_name)) {
                        struct ref *cpy = copy_ref(ref);
 
                        cpy->peer_ref = alloc_ref(expn_name);
@@ -1463,8 +1478,8 @@ int get_fetch_map(const struct ref *remote_refs,
 
        for (rmp = &ref_map; *rmp; ) {
                if ((*rmp)->peer_ref) {
-                       if (check_refname_format((*rmp)->peer_ref->name + 5,
-                               REFNAME_ALLOW_ONELEVEL)) {
+                       if (prefixcmp((*rmp)->peer_ref->name, "refs/") ||
+                           check_refname_format((*rmp)->peer_ref->name, 0)) {
                                struct ref *ignore = *rmp;
                                error("* Ignoring funny ref '%s' locally",
                                      (*rmp)->peer_ref->name);
@@ -1512,7 +1527,8 @@ int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1)
        struct commit_list *list, *used;
        int found = 0;
 
-       /* Both new and old must be commit-ish and new is descendant of
+       /*
+        * Both new and old must be commit-ish and new is descendant of
         * old.  Otherwise we require --force.
         */
        o = deref_tag(parse_object(old_sha1), NULL, 0);
@@ -1632,13 +1648,16 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
 
        base = branch->merge[0]->dst;
        base = shorten_unambiguous_ref(base, 0);
-       if (!num_theirs)
+       if (!num_theirs) {
                strbuf_addf(sb,
                        Q_("Your branch is ahead of '%s' by %d commit.\n",
                           "Your branch is ahead of '%s' by %d commits.\n",
                           num_ours),
                        base, num_ours);
-       else if (!num_ours)
+               if (advice_status_hints)
+                       strbuf_addf(sb,
+                               _("  (use \"git push\" to publish your local commits)\n"));
+       } else if (!num_ours) {
                strbuf_addf(sb,
                        Q_("Your branch is behind '%s' by %d commit, "
                               "and can be fast-forwarded.\n",
@@ -1646,7 +1665,10 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
                               "and can be fast-forwarded.\n",
                           num_theirs),
                        base, num_theirs);
-       else
+               if (advice_status_hints)
+                       strbuf_addf(sb,
+                               _("  (use \"git pull\" to update your local branch)\n"));
+       } else {
                strbuf_addf(sb,
                        Q_("Your branch and '%s' have diverged,\n"
                               "and have %d and %d different commit each, "
@@ -1656,6 +1678,10 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
                               "respectively.\n",
                           num_theirs),
                        base, num_ours, num_theirs);
+               if (advice_status_hints)
+                       strbuf_addf(sb,
+                               _("  (use \"git pull\" to merge the remote branch into yours)\n"));
+       }
        return 1;
 }