]> git.ipfire.org Git - thirdparty/git.git/blobdiff - remote.c
mailinfo: factor out some repeated header handling
[thirdparty/git.git] / remote.c
index 4e93753e1988afd4a01559951f96142c6dc2e73d..5c4666b53abc0c84fa863c172387fa6c2cc159d5 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -2,6 +2,8 @@
 #include "config.h"
 #include "remote.h"
 #include "refs.h"
+#include "refspec.h"
+#include "object-store.h"
 #include "commit.h"
 #include "diff.h"
 #include "revision.h"
 #include "string-list.h"
 #include "mergesort.h"
 #include "argv-array.h"
+#include "commit-reach.h"
+#include "advice.h"
 
 enum map_direction { FROM_SRC, FROM_DST };
 
-static struct refspec s_tag_refspec = {
-       0,
-       1,
-       0,
-       0,
-       "refs/tags/*",
-       "refs/tags/*"
-};
-
-const struct refspec *tag_refspec = &s_tag_refspec;
-
 struct counted_string {
        size_t len;
        const char *s;
@@ -87,22 +80,6 @@ static const char *alias_url(const char *url, struct rewrites *r)
        return xstrfmt("%s%s", r->rewrite[longest_i]->base, url + longest->len);
 }
 
-static void add_push_refspec(struct remote *remote, const char *ref)
-{
-       ALLOC_GROW(remote->push_refspec,
-                  remote->push_refspec_nr + 1,
-                  remote->push_refspec_alloc);
-       remote->push_refspec[remote->push_refspec_nr++] = ref;
-}
-
-static void add_fetch_refspec(struct remote *remote, const char *ref)
-{
-       ALLOC_GROW(remote->fetch_refspec,
-                  remote->fetch_refspec_nr + 1,
-                  remote->fetch_refspec_alloc);
-       remote->fetch_refspec[remote->fetch_refspec_nr++] = ref;
-}
-
 static void add_url(struct remote *remote, const char *url)
 {
        ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);
@@ -134,14 +111,16 @@ struct remotes_hash_key {
 };
 
 static int remotes_hash_cmp(const void *unused_cmp_data,
-                           const void *entry,
-                           const void *entry_or_key,
+                           const struct hashmap_entry *eptr,
+                           const struct hashmap_entry *entry_or_key,
                            const void *keydata)
 {
-       const struct remote *a = entry;
-       const struct remote *b = entry_or_key;
+       const struct remote *a, *b;
        const struct remotes_hash_key *key = keydata;
 
+       a = container_of(eptr, const struct remote, ent);
+       b = container_of(entry_or_key, const struct remote, ent);
+
        if (key)
                return strncmp(a->name, key->str, key->len) || a->name[key->len];
        else
@@ -158,7 +137,7 @@ static struct remote *make_remote(const char *name, int len)
 {
        struct remote *ret, *replaced;
        struct remotes_hash_key lookup;
-       struct hashmap_entry lookup_entry;
+       struct hashmap_entry lookup_entry, *e;
 
        if (!len)
                len = strlen(name);
@@ -168,17 +147,22 @@ static struct remote *make_remote(const char *name, int len)
        lookup.len = len;
        hashmap_entry_init(&lookup_entry, memhash(name, len));
 
-       if ((ret = hashmap_get(&remotes_hash, &lookup_entry, &lookup)) != NULL)
-               return ret;
+       e = hashmap_get(&remotes_hash, &lookup_entry, &lookup);
+       if (e)
+               return container_of(e, struct remote, ent);
 
        ret = xcalloc(1, sizeof(struct remote));
        ret->prune = -1;  /* unspecified */
+       ret->prune_tags = -1;  /* unspecified */
+       ret->name = xstrndup(name, len);
+       refspec_init(&ret->push, REFSPEC_PUSH);
+       refspec_init(&ret->fetch, REFSPEC_FETCH);
+
        ALLOC_GROW(remotes, remotes_nr + 1, remotes_alloc);
        remotes[remotes_nr++] = ret;
-       ret->name = xstrndup(name, len);
 
-       hashmap_entry_init(ret, lookup_entry.hash);
-       replaced = hashmap_put(&remotes_hash, ret);
+       hashmap_entry_init(&ret->ent, lookup_entry.hash);
+       replaced = hashmap_put_entry(&remotes_hash, ret, ent);
        assert(replaced == NULL);  /* no previous entry overwritten */
        return ret;
 }
@@ -273,9 +257,9 @@ static void read_remotes_file(struct remote *remote)
                if (skip_prefix(buf.buf, "URL:", &v))
                        add_url_alias(remote, xstrdup(skip_spaces(v)));
                else if (skip_prefix(buf.buf, "Push:", &v))
-                       add_push_refspec(remote, xstrdup(skip_spaces(v)));
+                       refspec_append(&remote->push, skip_spaces(v));
                else if (skip_prefix(buf.buf, "Pull:", &v))
-                       add_fetch_refspec(remote, xstrdup(skip_spaces(v)));
+                       refspec_append(&remote->fetch, skip_spaces(v));
        }
        strbuf_release(&buf);
        fclose(f);
@@ -314,15 +298,19 @@ static void read_branches_file(struct remote *remote)
                frag = "master";
 
        add_url_alias(remote, strbuf_detach(&buf, NULL));
-       add_fetch_refspec(remote, xstrfmt("refs/heads/%s:refs/heads/%s",
-                                         frag, remote->name));
+       strbuf_addf(&buf, "refs/heads/%s:refs/heads/%s",
+                   frag, remote->name);
+       refspec_append(&remote->fetch, buf.buf);
 
        /*
         * Cogito compatible push: push current HEAD to remote #branch
         * (master if missing)
         */
-       add_push_refspec(remote, xstrfmt("HEAD:refs/heads/%s", frag));
+       strbuf_reset(&buf);
+       strbuf_addf(&buf, "HEAD:refs/heads/%s", frag);
+       refspec_append(&remote->push, buf.buf);
        remote->fetch_tags = 1; /* always auto-follow */
+       strbuf_release(&buf);
 }
 
 static int handle_config(const char *key, const char *value, void *cb)
@@ -352,14 +340,14 @@ static int handle_config(const char *key, const char *value, void *cb)
                if (!name)
                        return 0;
                if (!strcmp(subkey, "insteadof")) {
-                       rewrite = make_rewrite(&rewrites, name, namelen);
                        if (!value)
                                return config_error_nonbool(key);
+                       rewrite = make_rewrite(&rewrites, name, namelen);
                        add_instead_of(rewrite, xstrdup(value));
                } else if (!strcmp(subkey, "pushinsteadof")) {
-                       rewrite = make_rewrite(&rewrites_push, name, namelen);
                        if (!value)
                                return config_error_nonbool(key);
+                       rewrite = make_rewrite(&rewrites_push, name, namelen);
                        add_instead_of(rewrite, xstrdup(value));
                }
        }
@@ -375,7 +363,7 @@ static int handle_config(const char *key, const char *value, void *cb)
                return 0;
        /* Handle remote.<name>.* variables */
        if (*name == '/') {
-               warning("Config remote shorthand cannot begin with '/': %s",
+               warning(_("config remote shorthand cannot begin with '/': %s"),
                        name);
                return 0;
        }
@@ -391,6 +379,8 @@ static int handle_config(const char *key, const char *value, void *cb)
                remote->skip_default_update = git_config_bool(key, value);
        else if (!strcmp(subkey, "prune"))
                remote->prune = git_config_bool(key, value);
+       else if (!strcmp(subkey, "prunetags"))
+               remote->prune_tags = git_config_bool(key, value);
        else if (!strcmp(subkey, "url")) {
                const char *v;
                if (git_config_string(&v, key, value))
@@ -405,12 +395,14 @@ static int handle_config(const char *key, const char *value, void *cb)
                const char *v;
                if (git_config_string(&v, key, value))
                        return -1;
-               add_push_refspec(remote, v);
+               refspec_append(&remote->push, v);
+               free((char *)v);
        } else if (!strcmp(subkey, "fetch")) {
                const char *v;
                if (git_config_string(&v, key, value))
                        return -1;
-               add_fetch_refspec(remote, v);
+               refspec_append(&remote->fetch, v);
+               free((char *)v);
        } else if (!strcmp(subkey, "receivepack")) {
                const char *v;
                if (git_config_string(&v, key, value))
@@ -418,7 +410,7 @@ static int handle_config(const char *key, const char *value, void *cb)
                if (!remote->receivepack)
                        remote->receivepack = v;
                else
-                       error("more than one receivepack given, using the first");
+                       error(_("more than one receivepack given, using the first"));
        } else if (!strcmp(subkey, "uploadpack")) {
                const char *v;
                if (git_config_string(&v, key, value))
@@ -426,7 +418,7 @@ static int handle_config(const char *key, const char *value, void *cb)
                if (!remote->uploadpack)
                        remote->uploadpack = v;
                else
-                       error("more than one uploadpack given, using the first");
+                       error(_("more than one uploadpack given, using the first"));
        } else if (!strcmp(subkey, "tagopt")) {
                if (!strcmp(value, "--no-tags"))
                        remote->fetch_tags = -1;
@@ -484,158 +476,6 @@ static void read_config(void)
        alias_all_urls();
 }
 
-static struct refspec *parse_refspec_internal(int nr_refspec, const char **refspec, int fetch, int verify)
-{
-       int i;
-       struct refspec *rs = xcalloc(nr_refspec, sizeof(*rs));
-
-       for (i = 0; i < nr_refspec; i++) {
-               size_t llen;
-               int is_glob;
-               const char *lhs, *rhs;
-               int flags;
-
-               is_glob = 0;
-
-               lhs = refspec[i];
-               if (*lhs == '+') {
-                       rs[i].force = 1;
-                       lhs++;
-               }
-
-               rhs = strrchr(lhs, ':');
-
-               /*
-                * Before going on, special case ":" (or "+:") as a refspec
-                * for pushing matching refs.
-                */
-               if (!fetch && rhs == lhs && rhs[1] == '\0') {
-                       rs[i].matching = 1;
-                       continue;
-               }
-
-               if (rhs) {
-                       size_t rlen = strlen(++rhs);
-                       is_glob = (1 <= rlen && strchr(rhs, '*'));
-                       rs[i].dst = xstrndup(rhs, rlen);
-               }
-
-               llen = (rhs ? (rhs - lhs - 1) : strlen(lhs));
-               if (1 <= llen && memchr(lhs, '*', llen)) {
-                       if ((rhs && !is_glob) || (!rhs && fetch))
-                               goto invalid;
-                       is_glob = 1;
-               } else if (rhs && is_glob) {
-                       goto invalid;
-               }
-
-               rs[i].pattern = is_glob;
-               rs[i].src = xstrndup(lhs, llen);
-               flags = REFNAME_ALLOW_ONELEVEL | (is_glob ? REFNAME_REFSPEC_PATTERN : 0);
-
-               if (fetch) {
-                       struct object_id unused;
-
-                       /* LHS */
-                       if (!*rs[i].src)
-                               ; /* empty is ok; it means "HEAD" */
-                       else if (llen == GIT_SHA1_HEXSZ && !get_oid_hex(rs[i].src, &unused))
-                               rs[i].exact_sha1 = 1; /* ok */
-                       else if (!check_refname_format(rs[i].src, flags))
-                               ; /* valid looking ref is ok */
-                       else
-                               goto invalid;
-                       /* RHS */
-                       if (!rs[i].dst)
-                               ; /* missing is ok; it is the same as empty */
-                       else if (!*rs[i].dst)
-                               ; /* empty is ok; it means "do not store" */
-                       else if (!check_refname_format(rs[i].dst, flags))
-                               ; /* valid looking ref is ok */
-                       else
-                               goto invalid;
-               } else {
-                       /*
-                        * LHS
-                        * - empty is allowed; it means delete.
-                        * - when wildcarded, it must be a valid looking ref.
-                        * - otherwise, it must be an extended SHA-1, but
-                        *   there is no existing way to validate this.
-                        */
-                       if (!*rs[i].src)
-                               ; /* empty is ok */
-                       else if (is_glob) {
-                               if (check_refname_format(rs[i].src, flags))
-                                       goto invalid;
-                       }
-                       else
-                               ; /* anything goes, for now */
-                       /*
-                        * RHS
-                        * - missing is allowed, but LHS then must be a
-                        *   valid looking ref.
-                        * - empty is not allowed.
-                        * - otherwise it must be a valid looking ref.
-                        */
-                       if (!rs[i].dst) {
-                               if (check_refname_format(rs[i].src, flags))
-                                       goto invalid;
-                       } else if (!*rs[i].dst) {
-                               goto invalid;
-                       } else {
-                               if (check_refname_format(rs[i].dst, flags))
-                                       goto invalid;
-                       }
-               }
-       }
-       return rs;
-
- invalid:
-       if (verify) {
-               /*
-                * nr_refspec must be greater than zero and i must be valid
-                * since it is only possible to reach this point from within
-                * the for loop above.
-                */
-               free_refspec(i+1, rs);
-               return NULL;
-       }
-       die("Invalid refspec '%s'", refspec[i]);
-}
-
-int valid_fetch_refspec(const char *fetch_refspec_str)
-{
-       struct refspec *refspec;
-
-       refspec = parse_refspec_internal(1, &fetch_refspec_str, 1, 1);
-       free_refspec(1, refspec);
-       return !!refspec;
-}
-
-struct refspec *parse_fetch_refspec(int nr_refspec, const char **refspec)
-{
-       return parse_refspec_internal(nr_refspec, refspec, 1, 0);
-}
-
-struct refspec *parse_push_refspec(int nr_refspec, const char **refspec)
-{
-       return parse_refspec_internal(nr_refspec, refspec, 0, 0);
-}
-
-void free_refspec(int nr_refspec, struct refspec *refspec)
-{
-       int i;
-
-       if (!refspec)
-               return;
-
-       for (i = 0; i < nr_refspec; i++) {
-               free(refspec[i].src);
-               free(refspec[i].dst);
-       }
-       free(refspec);
-}
-
 static int valid_remote_nick(const char *name)
 {
        if (!name[0] || is_dot_or_dotdot(name))
@@ -690,9 +530,8 @@ const char *remote_ref_for_branch(struct branch *branch, int for_push,
                                pushremote_for_branch(branch, NULL);
                        struct remote *remote = remote_get(remote_name);
 
-                       if (remote && remote->push_refspec_nr &&
-                           (dst = apply_refspecs(remote->push,
-                                                 remote->push_refspec_nr,
+                       if (remote && remote->push.nr &&
+                           (dst = apply_refspecs(&remote->push,
                                                  branch->refname))) {
                                if (explicit)
                                        *explicit = 1;
@@ -729,8 +568,6 @@ static struct remote *remote_get_1(const char *name,
                add_url_alias(ret, name);
        if (!valid_remote(ret))
                return NULL;
-       ret->fetch = parse_fetch_refspec(ret->fetch_refspec_nr, ret->fetch_refspec);
-       ret->push = parse_push_refspec(ret->push_refspec_nr, ret->push_refspec);
        return ret;
 }
 
@@ -761,12 +598,6 @@ int for_each_remote(each_remote_fn fn, void *priv)
                struct remote *r = remotes[i];
                if (!r)
                        continue;
-               if (!r->fetch)
-                       r->fetch = parse_fetch_refspec(r->fetch_refspec_nr,
-                                                      r->fetch_refspec);
-               if (!r->push)
-                       r->push = parse_push_refspec(r->push_refspec_nr,
-                                                    r->push_refspec);
                result = fn(r, priv);
        }
        return result;
@@ -793,7 +624,7 @@ static void handle_duplicate(struct ref *ref1, struct ref *ref2)
                         * FETCH_HEAD_IGNORE entries always appear at
                         * the end of the list.
                         */
-                       die(_("Internal error"));
+                       BUG("Internal error");
                }
        }
        free(ref2->peer_ref);
@@ -853,7 +684,7 @@ static int match_name_with_pattern(const char *key, const char *name,
        size_t namelen;
        int ret;
        if (!kstar)
-               die("Key '%s' of pattern had no '*'", key);
+               die(_("key '%s' of pattern had no '*'"), key);
        klen = kstar - key;
        ksuffixlen = strlen(kstar + 1);
        namelen = strlen(name);
@@ -863,7 +694,7 @@ static int match_name_with_pattern(const char *key, const char *name,
                struct strbuf sb = STRBUF_INIT;
                const char *vstar = strchr(value, '*');
                if (!vstar)
-                       die("Value '%s' of pattern has no '*'", value);
+                       die(_("value '%s' of pattern has no '*'"), value);
                strbuf_add(&sb, value, vstar - value);
                strbuf_add(&sb, name + klen, namelen - klen - ksuffixlen);
                strbuf_addstr(&sb, vstar + 1);
@@ -872,16 +703,18 @@ static int match_name_with_pattern(const char *key, const char *name,
        return ret;
 }
 
-static void query_refspecs_multiple(struct refspec *refs, int ref_count, struct refspec *query, struct string_list *results)
+static void query_refspecs_multiple(struct refspec *rs,
+                                   struct refspec_item *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");
+               BUG("query_refspecs_multiple: need either src or dst");
 
-       for (i = 0; i < ref_count; i++) {
-               struct refspec *refspec = &refs[i];
+       for (i = 0; i < rs->nr; i++) {
+               struct refspec_item *refspec = &rs->items[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;
@@ -898,7 +731,7 @@ static void query_refspecs_multiple(struct refspec *refs, int ref_count, struct
        }
 }
 
-int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
+int query_refspecs(struct refspec *rs, struct refspec_item *query)
 {
        int i;
        int find_src = !query->src;
@@ -906,10 +739,10 @@ int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
        char **result = find_src ? &query->src : &query->dst;
 
        if (find_src && !query->dst)
-               return error("query_refspecs: need either src or dst");
+               BUG("query_refspecs: need either src or dst");
 
-       for (i = 0; i < ref_count; i++) {
-               struct refspec *refspec = &refs[i];
+       for (i = 0; i < rs->nr; i++) {
+               struct refspec_item *refspec = &rs->items[i];
                const char *key = find_src ? refspec->dst : refspec->src;
                const char *value = find_src ? refspec->src : refspec->dst;
 
@@ -929,23 +762,22 @@ int query_refspecs(struct refspec *refs, int ref_count, struct refspec *query)
        return -1;
 }
 
-char *apply_refspecs(struct refspec *refspecs, int nr_refspec,
-                    const char *name)
+char *apply_refspecs(struct refspec *rs, const char *name)
 {
-       struct refspec query;
+       struct refspec_item query;
 
-       memset(&query, 0, sizeof(struct refspec));
+       memset(&query, 0, sizeof(struct refspec_item));
        query.src = (char *)name;
 
-       if (query_refspecs(refspecs, nr_refspec, &query))
+       if (query_refspecs(rs, &query))
                return NULL;
 
        return query.dst;
 }
 
-int remote_find_tracking(struct remote *remote, struct refspec *refspec)
+int remote_find_tracking(struct remote *remote, struct refspec_item *refspec)
 {
-       return query_refspecs(remote->fetch, remote->fetch_refspec_nr, refspec);
+       return query_refspecs(&remote->fetch, refspec);
 }
 
 static struct ref *alloc_ref_with_prefix(const char *prefix, size_t prefixlen,
@@ -991,11 +823,11 @@ struct ref *copy_ref_list(const struct ref *ref)
        return ret;
 }
 
-static void free_ref(struct ref *ref)
+void free_one_ref(struct ref *ref)
 {
        if (!ref)
                return;
-       free_ref(ref->peer_ref);
+       free_one_ref(ref->peer_ref);
        free(ref->remote_status);
        free(ref->symref);
        free(ref);
@@ -1006,7 +838,7 @@ void free_refs(struct ref *ref)
        struct ref *next;
        while (ref) {
                next = ref->next;
-               free_ref(ref);
+               free_one_ref(ref);
                ref = next;
        }
 }
@@ -1140,19 +972,20 @@ static char *guess_ref(const char *name, struct ref *peer)
        if (!r)
                return NULL;
 
-       if (starts_with(r, "refs/heads/"))
+       if (starts_with(r, "refs/heads/")) {
                strbuf_addstr(&buf, "refs/heads/");
-       else if (starts_with(r, "refs/tags/"))
+       } else if (starts_with(r, "refs/tags/")) {
                strbuf_addstr(&buf, "refs/tags/");
-       else
+       } else {
                return NULL;
+       }
 
        strbuf_addstr(&buf, name);
        return strbuf_detach(&buf, NULL);
 }
 
 static int match_explicit_lhs(struct ref *src,
-                             struct refspec *rs,
+                             struct refspec_item *rs,
                              struct ref **match,
                              int *allocated_match)
 {
@@ -1167,18 +1000,74 @@ static int match_explicit_lhs(struct ref *src,
                 * 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);
+                       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);
+               return error(_("src refspec %s matches more than one"), rs->src);
+       }
+}
+
+static void show_push_unqualified_ref_name_error(const char *dst_value,
+                                                const char *matched_src_name)
+{
+       struct object_id oid;
+       enum object_type type;
+
+       /*
+        * TRANSLATORS: "matches '%s'%" is the <dst> part of "git push
+        * <remote> <src>:<dst>" push, and "being pushed ('%s')" is
+        * the <src>.
+        */
+       error(_("The destination you provided is not a full refname (i.e.,\n"
+               "starting with \"refs/\"). We tried to guess what you meant by:\n"
+               "\n"
+               "- Looking for a ref that matches '%s' on the remote side.\n"
+               "- Checking if the <src> being pushed ('%s')\n"
+               "  is a ref in \"refs/{heads,tags}/\". If so we add a corresponding\n"
+               "  refs/{heads,tags}/ prefix on the remote side.\n"
+               "\n"
+               "Neither worked, so we gave up. You must fully qualify the ref."),
+             dst_value, matched_src_name);
+
+       if (!advice_push_unqualified_ref_name)
+               return;
+
+       if (get_oid(matched_src_name, &oid))
+               BUG("'%s' is not a valid object, "
+                   "match_explicit_lhs() should catch this!",
+                   matched_src_name);
+       type = oid_object_info(the_repository, &oid, NULL);
+       if (type == OBJ_COMMIT) {
+               advise(_("The <src> part of the refspec is a commit object.\n"
+                        "Did you mean to create a new branch by pushing to\n"
+                        "'%s:refs/heads/%s'?"),
+                      matched_src_name, dst_value);
+       } else if (type == OBJ_TAG) {
+               advise(_("The <src> part of the refspec is a tag object.\n"
+                        "Did you mean to create a new tag by pushing to\n"
+                        "'%s:refs/tags/%s'?"),
+                      matched_src_name, dst_value);
+       } else if (type == OBJ_TREE) {
+               advise(_("The <src> part of the refspec is a tree object.\n"
+                        "Did you mean to tag a new tree by pushing to\n"
+                        "'%s:refs/tags/%s'?"),
+                      matched_src_name, dst_value);
+       } else if (type == OBJ_BLOB) {
+               advise(_("The <src> part of the refspec is a blob object.\n"
+                        "Did you mean to tag a new blob by pushing to\n"
+                        "'%s:refs/tags/%s'?"),
+                      matched_src_name, dst_value);
+       } else {
+               BUG("'%s' should be commit/tag/tree/blob, is '%d'",
+                   matched_src_name, type);
        }
 }
 
 static int match_explicit(struct ref *src, struct ref *dst,
                          struct ref ***dst_tail,
-                         struct refspec *rs)
+                         struct refspec_item *rs)
 {
        struct ref *matched_src, *matched_dst;
        int allocated_src;
@@ -1202,7 +1091,7 @@ static int match_explicit(struct ref *src, struct ref *dst,
                if (!dst_value ||
                    ((flag & REF_ISSYMREF) &&
                     !starts_with(dst_value, "refs/heads/")))
-                       die("%s cannot be resolved to branch.",
+                       die(_("%s cannot be resolved to branch"),
                            matched_src->name);
        }
 
@@ -1210,33 +1099,30 @@ static int match_explicit(struct ref *src, struct ref *dst,
        case 1:
                break;
        case 0:
-               if (starts_with(dst_value, "refs/"))
+               if (starts_with(dst_value, "refs/")) {
                        matched_dst = make_linked_ref(dst_value, dst_tail);
-               else if (is_null_oid(&matched_src->new_oid))
-                       error("unable to delete '%s': remote ref does not exist",
+               } else if (is_null_oid(&matched_src->new_oid)) {
+                       error(_("unable to delete '%s': remote ref does not exist"),
                              dst_value);
-               else if ((dst_guess = guess_ref(dst_value, matched_src))) {
+               else if ((dst_guess = guess_ref(dst_value, matched_src))) {
                        matched_dst = make_linked_ref(dst_guess, dst_tail);
                        free(dst_guess);
-               } else
-                       error("unable to push to unqualified destination: %s\n"
-                             "The destination refspec neither matches an "
-                             "existing ref on the remote nor\n"
-                             "begins with refs/, and we are unable to "
-                             "guess a prefix based on the source ref.",
-                             dst_value);
+               } else {
+                       show_push_unqualified_ref_name_error(dst_value,
+                                                            matched_src->name);
+               }
                break;
        default:
                matched_dst = NULL;
-               error("dst refspec %s matches more than one.",
+               error(_("dst refspec %s matches more than one"),
                      dst_value);
                break;
        }
        if (!matched_dst)
                return -1;
        if (matched_dst->peer_ref)
-               return error("dst ref %s receives from more than one src.",
-                     matched_dst->name);
+               return error(_("dst ref %s receives from more than one src"),
+                            matched_dst->name);
        else {
                matched_dst->peer_ref = allocated_src ?
                                        matched_src :
@@ -1247,36 +1133,37 @@ static int match_explicit(struct ref *src, struct ref *dst,
 }
 
 static int match_explicit_refs(struct ref *src, struct ref *dst,
-                              struct ref ***dst_tail, struct refspec *rs,
-                              int rs_nr)
+                              struct ref ***dst_tail, struct refspec *rs)
 {
        int i, errs;
-       for (i = errs = 0; i < rs_nr; i++)
-               errs += match_explicit(src, dst, dst_tail, &rs[i]);
+       for (i = errs = 0; i < rs->nr; i++)
+               errs += match_explicit(src, dst, dst_tail, &rs->items[i]);
        return errs;
 }
 
-static char *get_ref_match(const struct refspec *rs, int rs_nr, const struct ref *ref,
-               int send_mirror, int direction, const struct refspec **ret_pat)
+static char *get_ref_match(const struct refspec *rs, const struct ref *ref,
+                          int send_mirror, int direction,
+                          const struct refspec_item **ret_pat)
 {
-       const struct refspec *pat;
+       const struct refspec_item *pat;
        char *name;
        int i;
        int matching_refs = -1;
-       for (i = 0; i < rs_nr; i++) {
-               if (rs[i].matching &&
-                   (matching_refs == -1 || rs[i].force)) {
+       for (i = 0; i < rs->nr; i++) {
+               const struct refspec_item *item = &rs->items[i];
+               if (item->matching &&
+                   (matching_refs == -1 || item->force)) {
                        matching_refs = i;
                        continue;
                }
 
-               if (rs[i].pattern) {
-                       const char *dst_side = rs[i].dst ? rs[i].dst : rs[i].src;
+               if (item->pattern) {
+                       const char *dst_side = item->dst ? item->dst : item->src;
                        int match;
                        if (direction == FROM_SRC)
-                               match = match_name_with_pattern(rs[i].src, ref->name, dst_side, &name);
+                               match = match_name_with_pattern(item->src, ref->name, dst_side, &name);
                        else
-                               match = match_name_with_pattern(dst_side, ref->name, rs[i].src, &name);
+                               match = match_name_with_pattern(dst_side, ref->name, item->src, &name);
                        if (match) {
                                matching_refs = i;
                                break;
@@ -1286,7 +1173,7 @@ static char *get_ref_match(const struct refspec *rs, int rs_nr, const struct ref
        if (matching_refs == -1)
                return NULL;
 
-       pat = rs + matching_refs;
+       pat = &rs->items[matching_refs];
        if (pat->matching) {
                /*
                 * "matching refs"; traditionally we pushed everything
@@ -1321,7 +1208,7 @@ static void add_to_tips(struct tips *tips, const struct object_id *oid)
 
        if (is_null_oid(oid))
                return;
-       commit = lookup_commit_reference_gently(oid, 1);
+       commit = lookup_commit_reference_gently(the_repository, oid, 1);
        if (!commit || (commit->object.flags & TMP_MARK))
                return;
        commit->object.flags |= TMP_MARK;
@@ -1361,7 +1248,7 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
                        continue; /* not a tag */
                if (string_list_has_string(&dst_tag, ref->name))
                        continue; /* they already have it */
-               if (sha1_object_info(ref->new_oid.hash, NULL) != OBJ_TAG)
+               if (oid_object_info(the_repository, &ref->new_oid, NULL) != OBJ_TAG)
                        continue; /* be conservative */
                item = string_list_append(&src_tag, ref->name);
                item->util = ref;
@@ -1376,14 +1263,42 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
         * sent to the other side.
         */
        if (sent_tips.nr) {
+               const int reachable_flag = 1;
+               struct commit_list *found_commits;
+               struct commit **src_commits;
+               int nr_src_commits = 0, alloc_src_commits = 16;
+               ALLOC_ARRAY(src_commits, alloc_src_commits);
+
                for_each_string_list_item(item, &src_tag) {
                        struct ref *ref = item->util;
+                       struct commit *commit;
+
+                       if (is_null_oid(&ref->new_oid))
+                               continue;
+                       commit = lookup_commit_reference_gently(the_repository,
+                                                               &ref->new_oid,
+                                                               1);
+                       if (!commit)
+                               /* not pushing a commit, which is not an error */
+                               continue;
+
+                       ALLOC_GROW(src_commits, nr_src_commits + 1, alloc_src_commits);
+                       src_commits[nr_src_commits++] = commit;
+               }
+
+               found_commits = get_reachable_subset(sent_tips.tip, sent_tips.nr,
+                                                    src_commits, nr_src_commits,
+                                                    reachable_flag);
+
+               for_each_string_list_item(item, &src_tag) {
                        struct ref *dst_ref;
+                       struct ref *ref = item->util;
                        struct commit *commit;
 
                        if (is_null_oid(&ref->new_oid))
                                continue;
-                       commit = lookup_commit_reference_gently(&ref->new_oid,
+                       commit = lookup_commit_reference_gently(the_repository,
+                                                               &ref->new_oid,
                                                                1);
                        if (!commit)
                                /* not pushing a commit, which is not an error */
@@ -1393,7 +1308,7 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
                         * Is this tag, which they do not have, reachable from
                         * any of the commits we are sending?
                         */
-                       if (!in_merge_bases_many(commit, sent_tips.nr, sent_tips.tip))
+                       if (!(commit->object.flags & reachable_flag))
                                continue;
 
                        /* Add it in */
@@ -1401,7 +1316,12 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
                        oidcpy(&dst_ref->new_oid, &ref->new_oid);
                        dst_ref->peer_ref = copy_ref(ref);
                }
+
+               clear_commit_marks_many(nr_src_commits, src_commits, reachable_flag);
+               free(src_commits);
+               free_commit_list(found_commits);
        }
+
        string_list_clear(&src_tag, 0);
        free(sent_tips.tip);
 }
@@ -1428,22 +1348,20 @@ static void prepare_ref_index(struct string_list *ref_index, struct ref *ref)
  * 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)
+int check_push_refs(struct ref *src, struct refspec *rs)
 {
-       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;
+       for (i = 0; i < rs->nr; i++) {
+               struct refspec_item *item = &rs->items[i];
 
-               if (rs->pattern || rs->matching)
+               if (item->pattern || item->matching)
                        continue;
 
-               ret |= match_explicit_lhs(src, rs, NULL, NULL);
+               ret |= match_explicit_lhs(src, item, NULL, NULL);
        }
 
-       free_refspec(nr_refspec, refspec);
        return ret;
 }
 
@@ -1456,32 +1374,29 @@ int check_push_refs(struct ref *src, int nr_refspec, const char **refspec_names)
  * dst (e.g. pushing to a new branch, done in match_explicit_refs).
  */
 int match_push_refs(struct ref *src, struct ref **dst,
-                   int nr_refspec, const char **refspec, int flags)
+                   struct refspec *rs, int flags)
 {
-       struct refspec *rs;
        int send_all = flags & MATCH_REFS_ALL;
        int send_mirror = flags & MATCH_REFS_MIRROR;
        int send_prune = flags & MATCH_REFS_PRUNE;
        int errs;
-       static const char *default_refspec[] = { ":", NULL };
        struct ref *ref, **dst_tail = tail_ref(dst);
        struct string_list dst_ref_index = STRING_LIST_INIT_NODUP;
 
-       if (!nr_refspec) {
-               nr_refspec = 1;
-               refspec = default_refspec;
-       }
-       rs = parse_push_refspec(nr_refspec, (const char **) refspec);
-       errs = match_explicit_refs(src, *dst, &dst_tail, rs, nr_refspec);
+       /* If no refspec is provided, use the default ":" */
+       if (!rs->nr)
+               refspec_append(rs, ":");
+
+       errs = match_explicit_refs(src, *dst, &dst_tail, rs);
 
        /* pick the remainder */
        for (ref = src; ref; ref = ref->next) {
                struct string_list_item *dst_item;
                struct ref *dst_peer;
-               const struct refspec *pat = NULL;
+               const struct refspec_item *pat = NULL;
                char *dst_name;
 
-               dst_name = get_ref_match(rs, nr_refspec, ref, send_mirror, FROM_SRC, &pat);
+               dst_name = get_ref_match(rs, ref, send_mirror, FROM_SRC, &pat);
                if (!dst_name)
                        continue;
 
@@ -1530,7 +1445,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
                                /* We're already sending something to this ref. */
                                continue;
 
-                       src_name = get_ref_match(rs, nr_refspec, ref, send_mirror, FROM_DST, NULL);
+                       src_name = get_ref_match(rs, ref, send_mirror, FROM_DST, NULL);
                        if (src_name) {
                                if (!src_ref_index.nr)
                                        prepare_ref_index(&src_ref_index, src);
@@ -1542,6 +1457,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
                }
                string_list_clear(&src_ref_index, 0);
        }
+
        if (errs)
                return -1;
        return 0;
@@ -1563,7 +1479,7 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
 
                ref->deletion = is_null_oid(&ref->new_oid);
                if (!ref->deletion &&
-                       !oidcmp(&ref->old_oid, &ref->new_oid)) {
+                       oideq(&ref->old_oid, &ref->new_oid)) {
                        ref->status = REF_STATUS_UPTODATE;
                        continue;
                }
@@ -1578,7 +1494,7 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                 * branch.
                 */
                if (ref->expect_old_sha1) {
-                       if (oidcmp(&ref->old_oid, &ref->old_oid_expect))
+                       if (!oideq(&ref->old_oid, &ref->old_oid_expect))
                                reject_reason = REF_STATUS_REJECT_STALE;
                        else
                                /* If the ref isn't stale then force the update. */
@@ -1611,8 +1527,8 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                                reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS;
                        else if (!has_object_file(&ref->old_oid))
                                reject_reason = REF_STATUS_REJECT_FETCH_FIRST;
-                       else if (!lookup_commit_reference_gently(&ref->old_oid, 1) ||
-                                !lookup_commit_reference_gently(&ref->new_oid, 1))
+                       else if (!lookup_commit_reference_gently(the_repository, &ref->old_oid, 1) ||
+                                !lookup_commit_reference_gently(the_repository, &ref->new_oid, 1))
                                reject_reason = REF_STATUS_REJECT_NEEDS_FORCE;
                        else if (!ref_newer(&ref->new_oid, &ref->old_oid))
                                reject_reason = REF_STATUS_REJECT_NONFASTFORWARD;
@@ -1738,7 +1654,7 @@ static const char *tracking_for_push_dest(struct remote *remote,
 {
        char *ret;
 
-       ret = apply_refspecs(remote->fetch, remote->fetch_refspec_nr, refname);
+       ret = apply_refspecs(&remote->fetch, refname);
        if (!ret)
                return error_buf(err,
                                 _("push destination '%s' on remote '%s' has no local tracking branch"),
@@ -1756,12 +1672,11 @@ static const char *branch_get_push_1(struct branch *branch, struct strbuf *err)
                                 _("branch '%s' has no remote for pushing"),
                                 branch->name);
 
-       if (remote->push_refspec_nr) {
+       if (remote->push.nr) {
                char *dst;
                const char *ret;
 
-               dst = apply_refspecs(remote->push, remote->push_refspec_nr,
-                                    branch->refname);
+               dst = apply_refspecs(&remote->push, branch->refname);
                if (!dst)
                        return error_buf(err,
                                         _("push refspecs for '%s' do not include '%s'"),
@@ -1804,7 +1719,7 @@ static const char *branch_get_push_1(struct branch *branch, struct strbuf *err)
                }
        }
 
-       die("BUG: unhandled push situation");
+       BUG("unhandled push situation");
 }
 
 const char *branch_get_push(struct branch *branch, struct strbuf *err)
@@ -1834,7 +1749,7 @@ static int ignore_symref_update(const char *refname)
  * local symbolic ref.
  */
 static struct ref *get_expanded_map(const struct ref *remote_refs,
-                                   const struct refspec *refspec)
+                                   const struct refspec_item *refspec)
 {
        const struct ref *ref;
        struct ref *ret = NULL;
@@ -1865,11 +1780,18 @@ static struct ref *get_expanded_map(const struct ref *remote_refs,
 static const struct ref *find_ref_by_name_abbrev(const struct ref *refs, const char *name)
 {
        const struct ref *ref;
+       const struct ref *best_match = NULL;
+       int best_score = 0;
+
        for (ref = refs; ref; ref = ref->next) {
-               if (refname_match(name, ref->name))
-                       return ref;
+               int score = refname_match(name, ref->name);
+
+               if (best_score < score) {
+                       best_match = ref;
+                       best_score = score;
+               }
        }
-       return NULL;
+       return best_match;
 }
 
 struct ref *get_remote_ref(const struct ref *remote_refs, const char *name)
@@ -1899,7 +1821,7 @@ static struct ref *get_local_ref(const char *name)
 }
 
 int get_fetch_map(const struct ref *remote_refs,
-                 const struct refspec *refspec,
+                 const struct refspec_item *refspec,
                  struct ref ***tail,
                  int missing_ok)
 {
@@ -1913,11 +1835,12 @@ int get_fetch_map(const struct ref *remote_refs,
                if (refspec->exact_sha1) {
                        ref_map = alloc_ref(name);
                        get_oid_hex(name, &ref_map->old_oid);
+                       ref_map->exact_oid = 1;
                } else {
                        ref_map = get_remote_ref(remote_refs, name);
                }
                if (!missing_ok && !ref_map)
-                       die("Couldn't find remote ref %s", name);
+                       die(_("couldn't find remote ref %s"), name);
                if (ref_map) {
                        ref_map->peer_ref = get_local_ref(refspec->dst);
                        if (ref_map->peer_ref && refspec->force)
@@ -1930,7 +1853,7 @@ int get_fetch_map(const struct ref *remote_refs,
                        if (!starts_with((*rmp)->peer_ref->name, "refs/") ||
                            check_refname_format((*rmp)->peer_ref->name, 0)) {
                                struct ref *ignore = *rmp;
-                               error("* Ignoring funny ref '%s' locally",
+                               error(_("* Ignoring funny ref '%s' locally"),
                                      (*rmp)->peer_ref->name);
                                *rmp = (*rmp)->next;
                                free(ignore->peer_ref);
@@ -1959,96 +1882,50 @@ int resolve_remote_symref(struct ref *ref, struct ref *list)
        return 1;
 }
 
-static void unmark_and_free(struct commit_list *list, unsigned int mark)
-{
-       while (list) {
-               struct commit *commit = pop_commit(&list);
-               commit->object.flags &= ~mark;
-       }
-}
-
-int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid)
-{
-       struct object *o;
-       struct commit *old, *new;
-       struct commit_list *list, *used;
-       int found = 0;
-
-       /*
-        * Both new and old must be commit-ish and new is descendant of
-        * old.  Otherwise we require --force.
-        */
-       o = deref_tag(parse_object(old_oid), NULL, 0);
-       if (!o || o->type != OBJ_COMMIT)
-               return 0;
-       old = (struct commit *) o;
-
-       o = deref_tag(parse_object(new_oid), NULL, 0);
-       if (!o || o->type != OBJ_COMMIT)
-               return 0;
-       new = (struct commit *) o;
-
-       if (parse_commit(new) < 0)
-               return 0;
-
-       used = list = NULL;
-       commit_list_insert(new, &list);
-       while (list) {
-               new = pop_most_recent_commit(&list, TMP_MARK);
-               commit_list_insert(new, &used);
-               if (new == old) {
-                       found = 1;
-                       break;
-               }
-       }
-       unmark_and_free(list, TMP_MARK);
-       unmark_and_free(used, TMP_MARK);
-       return found;
-}
-
 /*
- * Compare a branch with its upstream, and save their differences (number
- * of commits) in *num_ours and *num_theirs. The name of the upstream branch
- * (or NULL if no upstream is defined) is returned via *upstream_name, if it
- * is not itself NULL.
+ * Compute the commit ahead/behind values for the pair branch_name, base.
  *
- * Returns -1 if num_ours and num_theirs could not be filled in (e.g., no
- * upstream defined, or ref does not exist), 0 otherwise.
+ * If abf is AHEAD_BEHIND_FULL, compute the full ahead/behind and return the
+ * counts in *num_ours and *num_theirs.  If abf is AHEAD_BEHIND_QUICK, skip
+ * the (potentially expensive) a/b computation (*num_ours and *num_theirs are
+ * set to zero).
+ *
+ * Returns -1 if num_ours and num_theirs could not be filled in (e.g., ref
+ * does not exist).  Returns 0 if the commits are identical.  Returns 1 if
+ * commits are different.
  */
-int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
-                      const char **upstream_name)
+
+static int stat_branch_pair(const char *branch_name, const char *base,
+                            int *num_ours, int *num_theirs,
+                            enum ahead_behind_flags abf)
 {
        struct object_id oid;
        struct commit *ours, *theirs;
        struct rev_info revs;
-       const char *base;
        struct argv_array argv = ARGV_ARRAY_INIT;
 
-       /* Cannot stat unless we are marked to build on top of somebody else. */
-       base = branch_get_upstream(branch, NULL);
-       if (upstream_name)
-               *upstream_name = base;
-       if (!base)
-               return -1;
-
        /* Cannot stat if what we used to build on no longer exists */
        if (read_ref(base, &oid))
                return -1;
-       theirs = lookup_commit_reference(&oid);
+       theirs = lookup_commit_reference(the_repository, &oid);
        if (!theirs)
                return -1;
 
-       if (read_ref(branch->refname, &oid))
+       if (read_ref(branch_name, &oid))
                return -1;
-       ours = lookup_commit_reference(&oid);
+       ours = lookup_commit_reference(the_repository, &oid);
        if (!ours)
                return -1;
 
+       *num_theirs = *num_ours = 0;
+
        /* are we the same? */
-       if (theirs == ours) {
-               *num_theirs = *num_ours = 0;
+       if (theirs == ours)
                return 0;
-       }
+       if (abf == AHEAD_BEHIND_QUICK)
+               return 1;
+       if (abf != AHEAD_BEHIND_FULL)
+               BUG("stat_branch_pair: invalid abf '%d'", abf);
 
        /* Run "rev-list --left-right ours...theirs" internally... */
        argv_array_push(&argv, ""); /* ignored */
@@ -2058,14 +1935,12 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
                         oid_to_hex(&theirs->object.oid));
        argv_array_push(&argv, "--");
 
-       init_revisions(&revs, NULL);
+       repo_init_revisions(the_repository, &revs, NULL);
        setup_revisions(argv.argc, argv.argv, &revs, NULL);
        if (prepare_revision_walk(&revs))
-               die("revision walk setup failed");
+               die(_("revision walk setup failed"));
 
        /* ... and count the commits on each side. */
-       *num_ours = 0;
-       *num_theirs = 0;
        while (1) {
                struct commit *c = get_revision(&revs);
                if (!c)
@@ -2081,20 +1956,58 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
        clear_commit_marks(theirs, ALL_REV_FLAGS);
 
        argv_array_clear(&argv);
-       return 0;
+       return 1;
+}
+
+/*
+ * Lookup the tracking branch for the given branch and if present, optionally
+ * compute the commit ahead/behind values for the pair.
+ *
+ * If for_push is true, the tracking branch refers to the push branch,
+ * otherwise it refers to the upstream branch.
+ *
+ * The name of the tracking branch (or NULL if it is not defined) is
+ * returned via *tracking_name, if it is not itself NULL.
+ *
+ * If abf is AHEAD_BEHIND_FULL, compute the full ahead/behind and return the
+ * counts in *num_ours and *num_theirs.  If abf is AHEAD_BEHIND_QUICK, skip
+ * the (potentially expensive) a/b computation (*num_ours and *num_theirs are
+ * set to zero).
+ *
+ * Returns -1 if num_ours and num_theirs could not be filled in (e.g., no
+ * upstream defined, or ref does not exist).  Returns 0 if the commits are
+ * identical.  Returns 1 if commits are different.
+ */
+int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
+                      const char **tracking_name, int for_push,
+                      enum ahead_behind_flags abf)
+{
+       const char *base;
+
+       /* Cannot stat unless we are marked to build on top of somebody else. */
+       base = for_push ? branch_get_push(branch, NULL) :
+               branch_get_upstream(branch, NULL);
+       if (tracking_name)
+               *tracking_name = base;
+       if (!base)
+               return -1;
+
+       return stat_branch_pair(branch->refname, base, num_ours, num_theirs, abf);
 }
 
 /*
  * Return true when there is anything to report, otherwise false.
  */
-int format_tracking_info(struct branch *branch, struct strbuf *sb)
+int format_tracking_info(struct branch *branch, struct strbuf *sb,
+                        enum ahead_behind_flags abf)
 {
-       int ours, theirs;
+       int ours, theirs, sti;
        const char *full_base;
        char *base;
        int upstream_is_gone = 0;
 
-       if (stat_tracking_info(branch, &ours, &theirs, &full_base) < 0) {
+       sti = stat_tracking_info(branch, &ours, &theirs, &full_base, 0, abf);
+       if (sti < 0) {
                if (!full_base)
                        return 0;
                upstream_is_gone = 1;
@@ -2108,10 +2021,17 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
                if (advice_status_hints)
                        strbuf_addstr(sb,
                                _("  (use \"git branch --unset-upstream\" to fixup)\n"));
-       } else if (!ours && !theirs) {
+       } else if (!sti) {
                strbuf_addf(sb,
                        _("Your branch is up to date with '%s'.\n"),
                        base);
+       } else if (abf == AHEAD_BEHIND_QUICK) {
+               strbuf_addf(sb,
+                           _("Your branch and '%s' refer to different commits.\n"),
+                           base);
+               if (advice_status_hints)
+                       strbuf_addf(sb, _("  (use \"%s\" for details)\n"),
+                                   "git status --ahead-behind");
        } else if (!theirs) {
                strbuf_addf(sb,
                        Q_("Your branch is ahead of '%s' by %d commit.\n",
@@ -2197,7 +2117,7 @@ struct ref *guess_remote_head(const struct ref *head,
        /* If refs/heads/master could be right, it is. */
        if (!all) {
                r = find_ref_by_name(refs, "refs/heads/master");
-               if (r && !oidcmp(&r->old_oid, &head->old_oid))
+               if (r && oideq(&r->old_oid, &head->old_oid))
                        return copy_ref(r);
        }
 
@@ -2205,7 +2125,7 @@ struct ref *guess_remote_head(const struct ref *head,
        for (r = refs; r; r = r->next) {
                if (r != head &&
                    starts_with(r->name, "refs/heads/") &&
-                   !oidcmp(&r->old_oid, &head->old_oid)) {
+                   oideq(&r->old_oid, &head->old_oid)) {
                        *tail = copy_ref(r);
                        tail = &((*tail)->next);
                        if (!all)
@@ -2219,8 +2139,7 @@ struct ref *guess_remote_head(const struct ref *head,
 struct stale_heads_info {
        struct string_list *ref_names;
        struct ref **stale_refs_tail;
-       struct refspec *refs;
-       int ref_count;
+       struct refspec *rs;
 };
 
 static int get_stale_heads_cb(const char *refname, const struct object_id *oid,
@@ -2228,12 +2147,12 @@ static int get_stale_heads_cb(const char *refname, const struct object_id *oid,
 {
        struct stale_heads_info *info = cb_data;
        struct string_list matches = STRING_LIST_INIT_DUP;
-       struct refspec query;
+       struct refspec_item query;
        int i, stale = 1;
-       memset(&query, 0, sizeof(struct refspec));
+       memset(&query, 0, sizeof(struct refspec_item));
        query.dst = (char *)refname;
 
-       query_refspecs_multiple(info->refs, info->ref_count, &query, &matches);
+       query_refspecs_multiple(info->rs, &query, &matches);
        if (matches.nr == 0)
                goto clean_exit; /* No matches */
 
@@ -2261,7 +2180,7 @@ clean_exit:
        return 0;
 }
 
-struct ref *get_stale_heads(struct refspec *refs, int ref_count, struct ref *fetch_map)
+struct ref *get_stale_heads(struct refspec *rs, struct ref *fetch_map)
 {
        struct ref *ref, *stale_refs = NULL;
        struct string_list ref_names = STRING_LIST_INIT_NODUP;
@@ -2269,8 +2188,7 @@ struct ref *get_stale_heads(struct refspec *refs, int ref_count, struct ref *fet
 
        info.ref_names = &ref_names;
        info.stale_refs_tail = &stale_refs;
-       info.refs = refs;
-       info.ref_count = ref_count;
+       info.rs = rs;
        for (ref = fetch_map; ref; ref = ref->next)
                string_list_append(&ref_names, ref->name);
        string_list_sort(&ref_names);
@@ -2329,7 +2247,8 @@ static int parse_push_cas_option(struct push_cas_option *cas, const char *arg, i
        else if (!colon[1])
                oidclr(&entry->expect);
        else if (get_oid(colon + 1, &entry->expect))
-               return error("cannot parse expected object name '%s'", colon + 1);
+               return error(_("cannot parse expected object name '%s'"),
+                            colon + 1);
        return 0;
 }
 
@@ -2354,7 +2273,7 @@ static int remote_tracking(struct remote *remote, const char *refname,
 {
        char *dst;
 
-       dst = apply_refspecs(remote->fetch, remote->fetch_refspec_nr, refname);
+       dst = apply_refspecs(&remote->fetch, refname);
        if (!dst)
                return -1; /* no tracking ref for refname at remote */
        if (read_ref(dst, oid))