X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-send-pack.c;h=9072905f10cbbb0f8297bc1b1c7dfb12613c80a7;hb=a797b02f3925c4a6324472e2edaf4a58d4ffc097;hp=d68ce2d0e3451127c61658ae7df3053f5eae6366;hpb=550806439402877e6dab22cacfc6de8757d18593;p=git.git diff --git a/builtin-send-pack.c b/builtin-send-pack.c index d68ce2d0e..9072905f1 100644 --- a/builtin-send-pack.c +++ b/builtin-send-pack.c @@ -1,6 +1,5 @@ #include "cache.h" #include "commit.h" -#include "tag.h" #include "refs.h" #include "pkt-line.h" #include "run-command.h" @@ -15,6 +14,20 @@ static struct send_pack_args args = { /* .receivepack = */ "git-receive-pack", }; +static int feed_object(const unsigned char *sha1, int fd, int negative) +{ + char buf[42]; + + if (negative && !has_sha1_file(sha1)) + return 1; + + memcpy(buf + negative, sha1_to_hex(sha1), 40); + if (negative) + buf[0] = '^'; + buf[40 + negative] = '\n'; + return write_or_whine(fd, buf, 41 + negative, "send-pack: send refs"); +} + /* * Make a pack stream and spit it out into file descriptor fd */ @@ -35,7 +48,6 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext }; struct child_process po; int i; - char buf[42]; if (args.use_thin_pack) argv[4] = "--thin"; @@ -51,31 +63,17 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext * We feed the pack-objects we just spawned with revision * parameters by writing to the pipe. */ - 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")) + for (i = 0; i < extra->nr; i++) + if (!feed_object(extra->array[i], po.in, 1)) 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); - buf[0] = '^'; - buf[41] = '\n'; - if (!write_or_whine(po.in, buf, 42, - "send-pack: send refs")) - break; - } - if (!is_null_sha1(refs->new_sha1)) { - memcpy(buf, sha1_to_hex(refs->new_sha1), 40); - buf[40] = '\n'; - if (!write_or_whine(po.in, buf, 41, - "send-pack: send refs")) - break; - } + !feed_object(refs->old_sha1, po.in, 1)) + break; + if (!is_null_sha1(refs->new_sha1) && + !feed_object(refs->new_sha1, po.in, 0)) + break; refs = refs->next; } @@ -85,82 +83,8 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext return 0; } -static void unmark_and_free(struct commit_list *list, unsigned int mark) -{ - while (list) { - struct commit_list *temp = list; - temp->item->object.flags &= ~mark; - list = temp->next; - free(temp); - } -} - -static int ref_newer(const unsigned char *new_sha1, - const unsigned char *old_sha1) -{ - 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_sha1), NULL, 0); - if (!o || o->type != OBJ_COMMIT) - return 0; - old = (struct commit *) o; - - o = deref_tag(parse_object(new_sha1), 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, 1); - commit_list_insert(new, &used); - if (new == old) { - found = 1; - break; - } - } - unmark_and_free(list, 1); - unmark_and_free(used, 1); - return found; -} - -static struct ref *local_refs, **local_tail; static struct ref *remote_refs, **remote_tail; -static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) -{ - struct ref *ref; - int len; - - /* we already know it starts with refs/ to get here */ - if (check_ref_format(refname + 5)) - return 0; - - len = strlen(refname) + 1; - ref = xcalloc(1, sizeof(*ref) + len); - hashcpy(ref->new_sha1, sha1); - memcpy(ref->name, refname, len); - *local_tail = ref; - local_tail = &ref->next; - return 0; -} - -static void get_local_heads(void) -{ - local_tail = &local_refs; - for_each_ref(one_local_ref, NULL); -} - static int receive_status(int in, struct ref *refs) { struct ref *hint; @@ -230,7 +154,7 @@ static void update_tracking_ref(struct remote *remote, struct ref *ref) { 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; @@ -240,7 +164,7 @@ static void update_tracking_ref(struct remote *remote, struct ref *ref) if (args.verbose) fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst); if (ref->deletion) { - delete_ref(rs.dst, NULL); + delete_ref(rs.dst, NULL, 0); } else update_ref("update by push", rs.dst, ref->new_sha1, NULL, 0, 0); @@ -388,7 +312,7 @@ static int refs_pushed(struct ref *ref) static int do_send_pack(int in, int out, struct remote *remote, const char *dest, int nr_refspec, const char **refspec) { - struct ref *ref; + struct ref *ref, *local_refs; int new_refs; int ask_for_status_report = 0; int allow_deleting_refs = 0; @@ -406,7 +330,7 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest /* No funny business with the matcher */ remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL, &extra_have); - get_local_heads(); + local_refs = get_local_heads(); /* Does the other end support the reporting? */ if (server_supports("report-status")) @@ -435,24 +359,19 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest */ 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 +399,13 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest !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++;