From: Junio C Hamano Date: Sun, 9 Nov 2008 05:33:55 +0000 (-0800) Subject: Merge branch 'maint' X-Git-Tag: v1.6.1-rc1~75 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/bc9c0248a5cf184756ba562d6c452cace8863517?ds=inline;hp=-c Merge branch 'maint' * maint: GIT 1.6.0.4 Update RPM spec for the new location of git-cvsserver. push: fix local refs update if already up-to-date do not force write of packed refs Conflicts: builtin-revert.c --- bc9c0248a5cf184756ba562d6c452cace8863517 diff --combined builtin-send-pack.c index 298bd71924,e428eace2b..a9fdbf9d45 --- a/builtin-send-pack.c +++ b/builtin-send-pack.c @@@ -18,7 -18,7 +18,7 @@@ static struct send_pack_args args = /* * Make a pack stream and spit it out into file descriptor fd */ -static int pack_objects(int fd, struct ref *refs) +static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra) { /* * The child becomes pack-objects --revs; we feed @@@ -34,8 -34,6 +34,8 @@@ NULL, }; struct child_process po; + int i; + char buf[42]; if (args.use_thin_pack) argv[4] = "--thin"; @@@ -51,15 -49,9 +51,15 @@@ * We feed the pack-objects we just spawned with revision * parameters by writing to the pipe. */ - while (refs) { - char buf[42]; + for (i = 0; i < extra->nr; i++) { + memcpy(buf + 1, sha1_to_hex(&extra->array[i][0]), 40); + buf[0] = '^'; + buf[41] = '\n'; + if (!write_or_whine(po.in, buf, 42, "send-pack: send refs")) + break; + } + while (refs) { if (!is_null_sha1(refs->old_sha1) && has_sha1_file(refs->old_sha1)) { memcpy(buf + 1, sha1_to_hex(refs->old_sha1), 40); @@@ -230,7 -222,7 +230,7 @@@ static void update_tracking_ref(struct { struct refspec rs; - if (ref->status != REF_STATUS_OK) + if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE) return; rs.src = ref->name; @@@ -395,17 -387,14 +395,17 @@@ static int do_send_pack(int in, int out int expect_status_report = 0; int flags = MATCH_REFS_NONE; int ret; + struct extra_have_objects extra_have; + memset(&extra_have, 0, sizeof(extra_have)); if (args.send_all) flags |= MATCH_REFS_ALL; if (args.send_mirror) flags |= MATCH_REFS_MIRROR; /* No funny business with the matcher */ - remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL); + remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL, + &extra_have); get_local_heads(); /* Does the other end support the reporting? */ @@@ -435,24 -424,19 +435,19 @@@ */ new_refs = 0; for (ref = remote_refs; ref; ref = ref->next) { - const unsigned char *new_sha1; - - if (!ref->peer_ref) { - if (!args.send_mirror) - continue; - new_sha1 = null_sha1; - } - else - new_sha1 = ref->peer_ref->new_sha1; + if (ref->peer_ref) + hashcpy(ref->new_sha1, ref->peer_ref->new_sha1); + else if (!args.send_mirror) + continue; - ref->deletion = is_null_sha1(new_sha1); + ref->deletion = is_null_sha1(ref->new_sha1); if (ref->deletion && !allow_deleting_refs) { ref->status = REF_STATUS_REJECT_NODELETE; continue; } if (!ref->deletion && - !hashcmp(ref->old_sha1, new_sha1)) { + !hashcmp(ref->old_sha1, ref->new_sha1)) { ref->status = REF_STATUS_UPTODATE; continue; } @@@ -480,14 -464,13 +475,13 @@@ !ref->deletion && !is_null_sha1(ref->old_sha1) && (!has_sha1_file(ref->old_sha1) - || !ref_newer(new_sha1, ref->old_sha1)); + || !ref_newer(ref->new_sha1, ref->old_sha1)); if (ref->nonfastforward && !ref->force && !args.force_update) { ref->status = REF_STATUS_REJECT_NONFASTFORWARD; continue; } - hashcpy(ref->new_sha1, new_sha1); if (!ref->deletion) new_refs++; @@@ -513,7 -496,7 +507,7 @@@ packet_flush(out); if (new_refs && !args.dry_run) { - if (pack_objects(out, remote_refs) < 0) + if (pack_objects(out, remote_refs, &extra_have) < 0) return -1; } else diff --combined refs.c index 9ae447b10b,293389e764..42bde72ddb --- a/refs.c +++ b/refs.c @@@ -390,18 -390,6 +390,18 @@@ int resolve_gitlink_ref(const char *pat return retval; } +/* + * If the "reading" argument is set, this function finds out what _object_ + * the ref points at by "reading" the ref. The ref, if it is not symbolic, + * has to exist, and if it is symbolic, it has to point at an existing ref, + * because the "read" goes through the symref to the ref it points at. + * + * The access that is not "reading" may often be "writing", but does not + * have to; it can be merely checking _where it leads to_. If it is a + * prelude to "writing" to the ref, a write to a symref that points at + * yet-to-be-born ref will create the real ref pointed by the symref. + * reading=0 allows the caller to check where such a symref leads to. + */ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag) { int depth = MAXDEPTH; @@@ -422,7 -410,13 +422,7 @@@ return NULL; git_snpath(path, sizeof(path), "%s", ref); - /* Special case: non-existing file. - * Not having the refs/heads/new-branch is OK - * if we are writing into it, so is .git/HEAD - * that points at refs/heads/master still to be - * born. It is NOT OK if we are resolving for - * reading. - */ + /* Special case: non-existing file. */ if (lstat(path, &st) < 0) { struct ref_list *list = get_packed_refs(); while (list) { @@@ -795,10 -789,10 +795,10 @@@ static struct ref_lock *lock_ref_sha1_b char *ref_file; const char *orig_ref = ref; struct ref_lock *lock; - struct stat st; int last_errno = 0; int type, lflags; int mustexist = (old_sha1 && !is_null_sha1(old_sha1)); + int missing = 0; lock = xcalloc(1, sizeof(struct ref_lock)); lock->lock_fd = -1; @@@ -826,12 -820,13 +826,13 @@@ orig_ref, strerror(errno)); goto error_return; } + missing = is_null_sha1(lock->old_sha1); /* When the ref did not exist and we are creating it, * make sure there is no existing ref that is packed * whose name begins with our refname, nor a ref whose * name is a proper prefix of our refname. */ - if (is_null_sha1(lock->old_sha1) && + if (missing && !is_refname_available(ref, NULL, get_packed_refs(), 0)) goto error_return; @@@ -845,7 -840,7 +846,7 @@@ lock->ref_name = xstrdup(ref); lock->orig_ref_name = xstrdup(orig_ref); ref_file = git_path("%s", ref); - if (lstat(ref_file, &st) && errno == ENOENT) + if (missing) lock->force_write = 1; if ((flags & REF_NODEREF) && (type & REF_ISSYMREF)) lock->force_write = 1;