diff options
Diffstat (limited to 'remote.c')
| -rw-r--r-- | remote.c | 83 |
1 files changed, 25 insertions, 58 deletions
@@ -1279,26 +1279,6 @@ int match_push_refs(struct ref *src, struct ref **dst, return 0; } -static inline int is_forwardable(struct ref* ref) -{ - struct object *o; - - if (!prefixcmp(ref->name, "refs/tags/")) - return 0; - - /* old object must be a commit */ - o = parse_object(ref->old_sha1); - if (!o || o->type != OBJ_COMMIT) - return 0; - - /* new object must be commit-ish */ - o = deref_tag(parse_object(ref->new_sha1), NULL, 0); - if (!o || o->type != OBJ_COMMIT) - return 0; - - return 1; -} - void set_ref_status_for_push(struct ref *remote_refs, int send_mirror, int force_update) { @@ -1320,54 +1300,40 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror, } /* - * The below logic determines whether an individual - * refspec A:B can be pushed. The push will succeed - * if any of the following are true: + * Decide whether an individual refspec A:B can be + * pushed. The push will succeed if any of the + * following are true: * * (1) the remote reference B does not exist * * (2) the remote reference B is being removed (i.e., * pushing :B where no source is specified) * - * (3) the update meets all fast-forwarding criteria: - * - * (a) the destination is not under refs/tags/ - * (b) the old is a commit - * (c) the new is a descendant of the old - * - * NOTE: We must actually have the old object in - * order to overwrite it in the remote reference, - * and the new object must be commit-ish. These are - * implied by (b) and (c) respectively. + * (3) the destination is not under refs/tags/, and + * if the old and new value is a commit, the new + * is a descendant of the old. * * (4) it is forced using the +A:B notation, or by * passing the --force argument */ - ref->not_forwardable = !is_forwardable(ref); - - ref->update = - !ref->deletion && - !is_null_sha1(ref->old_sha1); - - if (ref->update) { - ref->nonfastforward = - !has_sha1_file(ref->old_sha1) - || !ref_newer(ref->new_sha1, ref->old_sha1); - - if (ref->not_forwardable) { - ref->requires_force = 1; - if (!force_ref_update) { - ref->status = REF_STATUS_REJECT_ALREADY_EXISTS; - continue; - } - } else if (ref->nonfastforward) { - ref->requires_force = 1; - if (!force_ref_update) { - ref->status = REF_STATUS_REJECT_NONFASTFORWARD; - continue; - } - } + if (!ref->deletion && !is_null_sha1(ref->old_sha1)) { + int why = 0; /* why would this push require --force? */ + + if (!prefixcmp(ref->name, "refs/tags/")) + why = REF_STATUS_REJECT_ALREADY_EXISTS; + 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) + ref->status = why; + else if (why) + ref->forced_update = 1; } } } @@ -1566,7 +1532,8 @@ 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); |