t/t6001-rev-list-graft.sh: use the $( ... ) construct for command substitution
[gitweb.git] / remote.c
index 10f1ffce0b00a7bef0b156678ab7c04431827f0e..9d34b5a5dafa217e2ce9cb1b7e9a4ab74908f7af 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -456,7 +456,7 @@ static void alias_all_urls(void)
 static void read_config(void)
 {
        static int loaded;
-       unsigned char sha1[20];
+       struct object_id oid;
        const char *head_ref;
        int flag;
 
@@ -465,7 +465,7 @@ static void read_config(void)
        loaded = 1;
 
        current_branch = NULL;
-       head_ref = resolve_ref_unsafe("HEAD", 0, sha1, &flag);
+       head_ref = resolve_ref_unsafe("HEAD", 0, oid.hash, &flag);
        if (head_ref && (flag & REF_ISSYMREF) &&
            skip_prefix(head_ref, "refs/heads/", &head_ref)) {
                current_branch = make_branch(head_ref, 0);
@@ -544,12 +544,12 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp
                flags = REFNAME_ALLOW_ONELEVEL | (is_glob ? REFNAME_REFSPEC_PATTERN : 0);
 
                if (fetch) {
-                       unsigned char unused[40];
+                       struct object_id unused;
 
                        /* LHS */
                        if (!*rs[i].src)
                                ; /* empty is ok; it means "HEAD" */
-                       else if (llen == 40 && !get_sha1_hex(rs[i].src, unused))
+                       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 */
@@ -1075,14 +1075,14 @@ static void tail_link_ref(struct ref *ref, struct ref ***tail)
 static struct ref *alloc_delete_ref(void)
 {
        struct ref *ref = alloc_ref("(delete)");
-       hashclr(ref->new_sha1);
+       oidclr(&ref->new_oid);
        return ref;
 }
 
 static int try_explicit_object_name(const char *name,
                                    struct ref **match)
 {
-       unsigned char sha1[20];
+       struct object_id oid;
 
        if (!*name) {
                if (match)
@@ -1090,12 +1090,12 @@ static int try_explicit_object_name(const char *name,
                return 0;
        }
 
-       if (get_sha1(name, sha1))
+       if (get_sha1(name, oid.hash))
                return -1;
 
        if (match) {
                *match = alloc_ref(name);
-               hashcpy((*match)->new_sha1, sha1);
+               oidcpy(&(*match)->new_oid, &oid);
        }
        return 0;
 }
@@ -1110,10 +1110,10 @@ static struct ref *make_linked_ref(const char *name, struct ref ***tail)
 static char *guess_ref(const char *name, struct ref *peer)
 {
        struct strbuf buf = STRBUF_INIT;
-       unsigned char sha1[20];
+       struct object_id oid;
 
        const char *r = resolve_ref_unsafe(peer->name, RESOLVE_REF_READING,
-                                          sha1, NULL);
+                                          oid.hash, NULL);
        if (!r)
                return NULL;
 
@@ -1171,12 +1171,12 @@ static int match_explicit(struct ref *src, struct ref *dst,
                return -1;
 
        if (!dst_value) {
-               unsigned char sha1[20];
+               struct object_id oid;
                int flag;
 
                dst_value = resolve_ref_unsafe(matched_src->name,
                                               RESOLVE_REF_READING,
-                                              sha1, &flag);
+                                              oid.hash, &flag);
                if (!dst_value ||
                    ((flag & REF_ISSYMREF) &&
                     !starts_with(dst_value, "refs/heads/")))
@@ -1190,7 +1190,7 @@ static int match_explicit(struct ref *src, struct ref *dst,
        case 0:
                if (starts_with(dst_value, "refs/"))
                        matched_dst = make_linked_ref(dst_value, dst_tail);
-               else if (is_null_sha1(matched_src->new_sha1))
+               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)))
@@ -1292,13 +1292,13 @@ struct tips {
        int nr, alloc;
 };
 
-static void add_to_tips(struct tips *tips, const unsigned char *sha1)
+static void add_to_tips(struct tips *tips, const struct object_id *oid)
 {
        struct commit *commit;
 
-       if (is_null_sha1(sha1))
+       if (is_null_oid(oid))
                return;
-       commit = lookup_commit_reference_gently(sha1, 1);
+       commit = lookup_commit_reference_gently(oid->hash, 1);
        if (!commit || (commit->object.flags & TMP_MARK))
                return;
        commit->object.flags |= TMP_MARK;
@@ -1321,10 +1321,10 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
        memset(&sent_tips, 0, sizeof(sent_tips));
        for (ref = *dst; ref; ref = ref->next) {
                if (ref->peer_ref &&
-                   !is_null_sha1(ref->peer_ref->new_sha1))
-                       add_to_tips(&sent_tips, ref->peer_ref->new_sha1);
+                   !is_null_oid(&ref->peer_ref->new_oid))
+                       add_to_tips(&sent_tips, &ref->peer_ref->new_oid);
                else
-                       add_to_tips(&sent_tips, ref->old_sha1);
+                       add_to_tips(&sent_tips, &ref->old_oid);
                if (starts_with(ref->name, "refs/tags/"))
                        string_list_append(&dst_tag, ref->name);
        }
@@ -1338,7 +1338,7 @@ 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_sha1, NULL) != OBJ_TAG)
+               if (sha1_object_info(ref->new_oid.hash, NULL) != OBJ_TAG)
                        continue; /* be conservative */
                item = string_list_append(&src_tag, ref->name);
                item->util = ref;
@@ -1358,9 +1358,9 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
                        struct ref *dst_ref;
                        struct commit *commit;
 
-                       if (is_null_sha1(ref->new_sha1))
+                       if (is_null_oid(&ref->new_oid))
                                continue;
-                       commit = lookup_commit_reference_gently(ref->new_sha1, 1);
+                       commit = lookup_commit_reference_gently(ref->new_oid.hash, 1);
                        if (!commit)
                                /* not pushing a commit, which is not an error */
                                continue;
@@ -1374,7 +1374,7 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds
 
                        /* Add it in */
                        dst_ref = make_linked_ref(ref->name, dst_tail);
-                       hashcpy(dst_ref->new_sha1, ref->new_sha1);
+                       oidcpy(&dst_ref->new_oid, &ref->new_oid);
                        dst_ref->peer_ref = copy_ref(ref);
                }
        }
@@ -1481,7 +1481,7 @@ int match_push_refs(struct ref *src, struct ref **dst,
 
                        /* Create a new one and link it */
                        dst_peer = make_linked_ref(dst_name, &dst_tail);
-                       hashcpy(dst_peer->new_sha1, ref->new_sha1);
+                       oidcpy(&dst_peer->new_oid, &ref->new_oid);
                        string_list_insert(&dst_ref_index,
                                dst_peer->name)->util = dst_peer;
                }
@@ -1533,13 +1533,13 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                int reject_reason = 0;
 
                if (ref->peer_ref)
-                       hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+                       oidcpy(&ref->new_oid, &ref->peer_ref->new_oid);
                else if (!send_mirror)
                        continue;
 
-               ref->deletion = is_null_sha1(ref->new_sha1);
+               ref->deletion = is_null_oid(&ref->new_oid);
                if (!ref->deletion &&
-                       !hashcmp(ref->old_sha1, ref->new_sha1)) {
+                       !oidcmp(&ref->old_oid, &ref->new_oid)) {
                        ref->status = REF_STATUS_UPTODATE;
                        continue;
                }
@@ -1558,7 +1558,7 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                 */
                if (ref->expect_old_sha1) {
                        if (ref->expect_old_no_trackback ||
-                           hashcmp(ref->old_sha1, ref->old_sha1_expect))
+                           oidcmp(&ref->old_oid, &ref->old_oid_expect))
                                reject_reason = REF_STATUS_REJECT_STALE;
                }
 
@@ -1582,15 +1582,15 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
                 *     passing the --force argument
                 */
 
-               else if (!ref->deletion && !is_null_sha1(ref->old_sha1)) {
+               else if (!ref->deletion && !is_null_oid(&ref->old_oid)) {
                        if (starts_with(ref->name, "refs/tags/"))
                                reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS;
-                       else if (!has_sha1_file(ref->old_sha1))
+                       else if (!has_object_file(&ref->old_oid))
                                reject_reason = REF_STATUS_REJECT_FETCH_FIRST;
-                       else if (!lookup_commit_reference_gently(ref->old_sha1, 1) ||
-                                !lookup_commit_reference_gently(ref->new_sha1, 1))
+                       else if (!lookup_commit_reference_gently(ref->old_oid.hash, 1) ||
+                                !lookup_commit_reference_gently(ref->new_oid.hash, 1))
                                reject_reason = REF_STATUS_REJECT_NEEDS_FORCE;
-                       else if (!ref_newer(ref->new_sha1, ref->old_sha1))
+                       else if (!ref_newer(&ref->new_oid, &ref->old_oid))
                                reject_reason = REF_STATUS_REJECT_NONFASTFORWARD;
                }
 
@@ -1609,7 +1609,7 @@ static void set_merge(struct branch *ret)
 {
        struct remote *remote;
        char *ref;
-       unsigned char sha1[20];
+       struct object_id oid;
        int i;
 
        if (!ret)
@@ -1635,7 +1635,7 @@ static void set_merge(struct branch *ret)
                    strcmp(ret->remote_name, "."))
                        continue;
                if (dwim_ref(ret->merge_name[i], strlen(ret->merge_name[i]),
-                            sha1, &ref) == 1)
+                            oid.hash, &ref) == 1)
                        ret->merge[i]->dst = ref;
                else
                        ret->merge[i]->dst = xstrdup(ret->merge_name[i]);
@@ -1795,10 +1795,10 @@ const char *branch_get_push(struct branch *branch, struct strbuf *err)
 
 static int ignore_symref_update(const char *refname)
 {
-       unsigned char sha1[20];
+       struct object_id oid;
        int flag;
 
-       if (!resolve_ref_unsafe(refname, 0, sha1, &flag))
+       if (!resolve_ref_unsafe(refname, 0, oid.hash, &flag))
                return 0; /* non-existing refs are OK */
        return (flag & REF_ISSYMREF);
 }
@@ -1889,7 +1889,7 @@ int get_fetch_map(const struct ref *remote_refs,
 
                if (refspec->exact_sha1) {
                        ref_map = alloc_ref(name);
-                       get_sha1_hex(name, ref_map->old_sha1);
+                       get_oid_hex(name, &ref_map->old_oid);
                } else {
                        ref_map = get_remote_ref(remote_refs, name);
                }
@@ -1930,7 +1930,7 @@ int resolve_remote_symref(struct ref *ref, struct ref *list)
                return 0;
        for (; list; list = list->next)
                if (!strcmp(ref->symref, list->name)) {
-                       hashcpy(ref->old_sha1, list->old_sha1);
+                       oidcpy(&ref->old_oid, &list->old_oid);
                        return 0;
                }
        return 1;
@@ -1944,7 +1944,7 @@ static void unmark_and_free(struct commit_list *list, unsigned int mark)
        }
 }
 
-int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1)
+int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid)
 {
        struct object *o;
        struct commit *old, *new;
@@ -1955,12 +1955,12 @@ int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1)
         * 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);
+       o = deref_tag(parse_object(old_oid->hash), NULL, 0);
        if (!o || o->type != OBJ_COMMIT)
                return 0;
        old = (struct commit *) o;
 
-       o = deref_tag(parse_object(new_sha1), NULL, 0);
+       o = deref_tag(parse_object(new_oid->hash), NULL, 0);
        if (!o || o->type != OBJ_COMMIT)
                return 0;
        new = (struct commit *) o;
@@ -1995,7 +1995,7 @@ int ref_newer(const unsigned char *new_sha1, const unsigned char *old_sha1)
 int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
                       const char **upstream_name)
 {
-       unsigned char sha1[20];
+       struct object_id oid;
        struct commit *ours, *theirs;
        struct rev_info revs;
        const char *base;
@@ -2009,15 +2009,15 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
                return -1;
 
        /* Cannot stat if what we used to build on no longer exists */
-       if (read_ref(base, sha1))
+       if (read_ref(base, oid.hash))
                return -1;
-       theirs = lookup_commit_reference(sha1);
+       theirs = lookup_commit_reference(oid.hash);
        if (!theirs)
                return -1;
 
-       if (read_ref(branch->refname, sha1))
+       if (read_ref(branch->refname, oid.hash))
                return -1;
-       ours = lookup_commit_reference(sha1);
+       ours = lookup_commit_reference(oid.hash);
        if (!ours)
                return -1;
 
@@ -2031,8 +2031,8 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs,
        argv_array_push(&argv, ""); /* ignored */
        argv_array_push(&argv, "--left-right");
        argv_array_pushf(&argv, "%s...%s",
-                        sha1_to_hex(ours->object.sha1),
-                        sha1_to_hex(theirs->object.sha1));
+                        oid_to_hex(&ours->object.oid),
+                        oid_to_hex(&theirs->object.oid));
        argv_array_push(&argv, "--");
 
        init_revisions(&revs, NULL);
@@ -2140,7 +2140,7 @@ static int one_local_ref(const char *refname, const struct object_id *oid,
 
        len = strlen(refname) + 1;
        ref = xcalloc(1, sizeof(*ref) + len);
-       hashcpy(ref->new_sha1, oid->hash);
+       oidcpy(&ref->new_oid, oid);
        memcpy(ref->name, refname, len);
        **local_tail = ref;
        *local_tail = &ref->next;
@@ -2177,7 +2177,7 @@ 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 && !hashcmp(r->old_sha1, head->old_sha1))
+               if (r && !oidcmp(&r->old_oid, &head->old_oid))
                        return copy_ref(r);
        }
 
@@ -2185,7 +2185,7 @@ 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/") &&
-                   !hashcmp(r->old_sha1, head->old_sha1)) {
+                   !oidcmp(&r->old_oid, &head->old_oid)) {
                        *tail = copy_ref(r);
                        tail = &((*tail)->next);
                        if (!all)
@@ -2233,7 +2233,7 @@ static int get_stale_heads_cb(const char *refname, const struct object_id *oid,
 
        if (stale) {
                struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail);
-               hashcpy(ref->new_sha1, oid->hash);
+               oidcpy(&ref->new_oid, oid);
        }
 
 clean_exit:
@@ -2328,14 +2328,14 @@ int is_empty_cas(const struct push_cas_option *cas)
  * If we cannot do so, return negative to signal an error.
  */
 static int remote_tracking(struct remote *remote, const char *refname,
-                          unsigned char sha1[20])
+                          struct object_id *oid)
 {
        char *dst;
 
        dst = apply_refspecs(remote->fetch, remote->fetch_refspec_nr, refname);
        if (!dst)
                return -1; /* no tracking ref for refname at remote */
-       if (read_ref(dst, sha1))
+       if (read_ref(dst, oid->hash))
                return -1; /* we know what the tracking ref is but we cannot read it */
        return 0;
 }
@@ -2353,8 +2353,8 @@ static void apply_cas(struct push_cas_option *cas,
                        continue;
                ref->expect_old_sha1 = 1;
                if (!entry->use_tracking)
-                       hashcpy(ref->old_sha1_expect, cas->entry[i].expect);
-               else if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+                       hashcpy(ref->old_oid_expect.hash, cas->entry[i].expect);
+               else if (remote_tracking(remote, ref->name, &ref->old_oid_expect))
                        ref->expect_old_no_trackback = 1;
                return;
        }
@@ -2364,7 +2364,7 @@ static void apply_cas(struct push_cas_option *cas,
                return;
 
        ref->expect_old_sha1 = 1;
-       if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+       if (remote_tracking(remote, ref->name, &ref->old_oid_expect))
                ref->expect_old_no_trackback = 1;
 }