diff options
| -rw-r--r-- | builtin-send-pack.c | 143 | ||||
| -rw-r--r-- | send-pack.h | 6 | ||||
| -rw-r--r-- | transport.c | 283 | ||||
| -rw-r--r-- | transport.h | 3 |
4 files changed, 343 insertions, 92 deletions
diff --git a/builtin-send-pack.c b/builtin-send-pack.c index 43b89ec..91c3651 100644 --- a/builtin-send-pack.c +++ b/builtin-send-pack.c @@ -11,7 +11,6 @@ static const char send_pack_usage[] = " --all and explicit <ref> specification are mutually exclusive."; static struct send_pack_args args = { - /* .receivepack = */ "git-receive-pack", }; static int feed_object(const unsigned char *sha1, int fd, int negative) @@ -31,7 +30,7 @@ static int feed_object(const unsigned char *sha1, int fd, int negative) /* * Make a pack stream and spit it out into file descriptor fd */ -static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra) +static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra, struct send_pack_args *args) { /* * The child becomes pack-objects --revs; we feed @@ -49,7 +48,7 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext struct child_process po; int i; - if (args.use_thin_pack) + if (args->use_thin_pack) argv[4] = "--thin"; memset(&po, 0, sizeof(po)); po.argv = argv; @@ -83,8 +82,6 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext return 0; } -static struct ref *remote_refs, **remote_tail; - static int receive_status(int in, struct ref *refs) { struct ref *hint; @@ -300,27 +297,19 @@ static int refs_pushed(struct ref *ref) return 0; } -static int do_send_pack(int in, int out, struct remote *remote, const char *dest, int nr_refspec, const char **refspec) +int send_pack(struct send_pack_args *args, + int fd[], struct child_process *conn, + struct ref *remote_refs, + struct extra_have_objects *extra_have) { - struct ref *ref, *local_refs; + int in = fd[0]; + int out = fd[1]; + struct ref *ref; int new_refs; int ask_for_status_report = 0; int allow_deleting_refs = 0; 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, - &extra_have); - local_refs = get_local_heads(); /* Does the other end support the reporting? */ if (server_supports("report-status")) @@ -328,19 +317,9 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest if (server_supports("delete-refs")) allow_deleting_refs = 1; - /* match them up */ - if (!remote_tail) - remote_tail = &remote_refs; - if (match_refs(local_refs, remote_refs, &remote_tail, - nr_refspec, refspec, flags)) { - close(out); - return -1; - } - if (!remote_refs) { fprintf(stderr, "No refs in common and none specified; doing nothing.\n" "Perhaps you should specify a branch such as 'master'.\n"); - close(out); return 0; } @@ -352,7 +331,7 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest if (ref->peer_ref) hashcpy(ref->new_sha1, ref->peer_ref->new_sha1); - else if (!args.send_mirror) + else if (!args->send_mirror) continue; ref->deletion = is_null_sha1(ref->new_sha1); @@ -391,7 +370,7 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest (!has_sha1_file(ref->old_sha1) || !ref_newer(ref->new_sha1, ref->old_sha1)); - if (ref->nonfastforward && !ref->force && !args.force_update) { + if (ref->nonfastforward && !ref->force && !args->force_update) { ref->status = REF_STATUS_REJECT_NONFASTFORWARD; continue; } @@ -399,7 +378,7 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest if (!ref->deletion) new_refs++; - if (!args.dry_run) { + if (!args->dry_run) { char *old_hex = sha1_to_hex(ref->old_sha1); char *new_hex = sha1_to_hex(ref->new_sha1); @@ -420,27 +399,19 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest } packet_flush(out); - if (new_refs && !args.dry_run) { - if (pack_objects(out, remote_refs, &extra_have) < 0) + if (new_refs && !args->dry_run) { + if (pack_objects(out, remote_refs, extra_have, args) < 0) { + for (ref = remote_refs; ref; ref = ref->next) + ref->status = REF_STATUS_NONE; return -1; + } } - else - close(out); if (expect_status_report) ret = receive_status(in, remote_refs); else ret = 0; - print_push_status(dest, remote_refs); - - if (!args.dry_run && remote) { - for (ref = remote_refs; ref; ref = ref->next) - update_tracking_ref(remote, ref); - } - - if (!refs_pushed(remote_refs)) - fprintf(stderr, "Everything up-to-date\n"); if (ret < 0) return ret; for (ref = remote_refs; ref; ref = ref->next) { @@ -489,11 +460,19 @@ static void verify_remote_names(int nr_heads, const char **heads) int cmd_send_pack(int argc, const char **argv, const char *prefix) { - int i, nr_heads = 0; - const char **heads = NULL; + int i, nr_refspecs = 0; + const char **refspecs = NULL; const char *remote_name = NULL; struct remote *remote = NULL; const char *dest = NULL; + int fd[2]; + struct child_process *conn; + struct extra_have_objects extra_have; + struct ref *remote_refs, **remote_tail, *local_refs; + int ret; + int send_all = 0; + const char *receivepack = "git-receive-pack"; + int flags; argv++; for (i = 1; i < argc; i++, argv++) { @@ -501,11 +480,11 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) if (*arg == '-') { if (!prefixcmp(arg, "--receive-pack=")) { - args.receivepack = arg + 15; + receivepack = arg + 15; continue; } if (!prefixcmp(arg, "--exec=")) { - args.receivepack = arg + 7; + receivepack = arg + 7; continue; } if (!prefixcmp(arg, "--remote=")) { @@ -513,7 +492,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) continue; } if (!strcmp(arg, "--all")) { - args.send_all = 1; + send_all = 1; continue; } if (!strcmp(arg, "--dry-run")) { @@ -542,8 +521,8 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) dest = arg; continue; } - heads = (const char **) argv; - nr_heads = argc - i; + refspecs = (const char **) argv; + nr_refspecs = argc - i; break; } if (!dest) @@ -552,8 +531,8 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) * --all and --mirror are incompatible; neither makes sense * with any refspecs. */ - if ((heads && (args.send_all || args.send_mirror)) || - (args.send_all && args.send_mirror)) + if ((refspecs && (send_all || args.send_mirror)) || + (send_all && args.send_mirror)) usage(send_pack_usage); if (remote_name) { @@ -564,24 +543,50 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) } } - return send_pack(&args, dest, remote, nr_heads, heads); -} + conn = git_connect(fd, dest, receivepack, args.verbose ? CONNECT_VERBOSE : 0); -int send_pack(struct send_pack_args *my_args, - const char *dest, struct remote *remote, - int nr_heads, const char **heads) -{ - int fd[2], ret; - struct child_process *conn; + memset(&extra_have, 0, sizeof(extra_have)); + + get_remote_heads(fd[0], &remote_refs, 0, NULL, REF_NORMAL, + &extra_have); + + verify_remote_names(nr_refspecs, refspecs); + + local_refs = get_local_heads(); - memcpy(&args, my_args, sizeof(args)); + flags = MATCH_REFS_NONE; + + if (send_all) + flags |= MATCH_REFS_ALL; + if (args.send_mirror) + flags |= MATCH_REFS_MIRROR; + + /* match them up */ + remote_tail = &remote_refs; + while (*remote_tail) + remote_tail = &((*remote_tail)->next); + if (match_refs(local_refs, remote_refs, &remote_tail, + nr_refspecs, refspecs, flags)) { + return -1; + } - verify_remote_names(nr_heads, heads); + ret = send_pack(&args, fd, conn, remote_refs, &extra_have); - conn = git_connect(fd, dest, args.receivepack, args.verbose ? CONNECT_VERBOSE : 0); - ret = do_send_pack(fd[0], fd[1], remote, dest, nr_heads, heads); + close(fd[1]); close(fd[0]); - /* do_send_pack always closes fd[1] */ + ret |= finish_connect(conn); - return !!ret; + + print_push_status(dest, remote_refs); + + if (!args.dry_run && remote) { + struct ref *ref; + for (ref = remote_refs; ref; ref = ref->next) + update_tracking_ref(remote, ref); + } + + if (!ret && !refs_pushed(remote_refs)) + fprintf(stderr, "Everything up-to-date\n"); + + return ret; } diff --git a/send-pack.h b/send-pack.h index 8ff1dc3..83d76c7 100644 --- a/send-pack.h +++ b/send-pack.h @@ -2,9 +2,7 @@ #define SEND_PACK_H struct send_pack_args { - const char *receivepack; unsigned verbose:1, - send_all:1, send_mirror:1, force_update:1, use_thin_pack:1, @@ -12,7 +10,7 @@ struct send_pack_args { }; int send_pack(struct send_pack_args *args, - const char *dest, struct remote *remote, - int nr_heads, const char **heads); + int fd[], struct child_process *conn, + struct ref *remote_refs, struct extra_have_objects *extra_have); #endif diff --git a/transport.c b/transport.c index 9ad4a16..73bb9b5 100644 --- a/transport.c +++ b/transport.c @@ -138,7 +138,7 @@ static void insert_packed_refs(const char *packed_refs, struct ref **list) } } -static struct ref *get_refs_via_rsync(struct transport *transport) +static struct ref *get_refs_via_rsync(struct transport *transport, int for_push) { struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; struct ref dummy, *tail = &dummy; @@ -146,6 +146,9 @@ static struct ref *get_refs_via_rsync(struct transport *transport) const char *args[5]; int temp_dir_len; + if (for_push) + return NULL; + /* copy the refs to the temporary directory */ strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); @@ -422,7 +425,7 @@ static int curl_transport_push(struct transport *transport, int refspec_nr, cons return !!err; } -static struct ref *get_refs_via_curl(struct transport *transport) +static struct ref *get_refs_via_curl(struct transport *transport, int for_push) { struct strbuf buffer = STRBUF_INIT; char *data, *start, *mid; @@ -439,6 +442,9 @@ static struct ref *get_refs_via_curl(struct transport *transport) struct walker *walker; + if (for_push) + return NULL; + if (!transport->data) transport->data = get_http_walker(transport->url, transport->remote); @@ -525,12 +531,15 @@ struct bundle_transport_data { struct bundle_header header; }; -static struct ref *get_refs_from_bundle(struct transport *transport) +static struct ref *get_refs_from_bundle(struct transport *transport, int for_push) { struct bundle_transport_data *data = transport->data; struct ref *result = NULL; int i; + if (for_push) + return NULL; + if (data->fd > 0) close(data->fd); data->fd = read_bundle_header(transport->url, &data->header); @@ -571,6 +580,7 @@ struct git_transport_data { int fd[2]; const char *uploadpack; const char *receivepack; + struct extra_have_objects extra_have; }; static int set_git_option(struct transport *connection, @@ -602,20 +612,23 @@ static int set_git_option(struct transport *connection, return 1; } -static int connect_setup(struct transport *transport) +static int connect_setup(struct transport *transport, int for_push, int verbose) { struct git_transport_data *data = transport->data; - data->conn = git_connect(data->fd, transport->url, data->uploadpack, 0); + data->conn = git_connect(data->fd, transport->url, + for_push ? data->receivepack : data->uploadpack, + verbose ? CONNECT_VERBOSE : 0); return 0; } -static struct ref *get_refs_via_connect(struct transport *transport) +static struct ref *get_refs_via_connect(struct transport *transport, int for_push) { struct git_transport_data *data = transport->data; struct ref *refs; - connect_setup(transport); - get_remote_heads(data->fd[0], &refs, 0, NULL, 0, NULL); + connect_setup(transport, for_push, 0); + get_remote_heads(data->fd[0], &refs, 0, NULL, + for_push ? REF_NORMAL : 0, &data->extra_have); return refs; } @@ -647,7 +660,7 @@ static int fetch_refs_via_pack(struct transport *transport, origh[i] = heads[i] = xstrdup(to_fetch[i]->name); if (!data->conn) { - connect_setup(transport); + connect_setup(transport, 0, 0); get_remote_heads(data->fd[0], &refs_tmp, 0, NULL, 0, NULL); } @@ -670,20 +683,216 @@ static int fetch_refs_via_pack(struct transport *transport, return (refs ? 0 : -1); } -static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) +static int refs_pushed(struct ref *ref) +{ + for (; ref; ref = ref->next) { + switch(ref->status) { + case REF_STATUS_NONE: + case REF_STATUS_UPTODATE: + break; + default: + return 1; + } + } + return 0; +} + +static void update_tracking_ref(struct remote *remote, struct ref *ref, int verbose) +{ + struct refspec rs; + + if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE) + return; + + rs.src = ref->name; + rs.dst = NULL; + + if (!remote_find_tracking(remote, &rs)) { + if (verbose) + fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst); + if (ref->deletion) { + delete_ref(rs.dst, NULL, 0); + } else + update_ref("update by push", rs.dst, + ref->new_sha1, NULL, 0, 0); + free(rs.dst); + } +} + +#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3) + +static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg) +{ + fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary); + if (from) + fprintf(stderr, "%s -> %s", prettify_ref(from), prettify_ref(to)); + else + fputs(prettify_ref(to), stderr); + if (msg) { + fputs(" (", stderr); + fputs(msg, stderr); + fputc(')', stderr); + } + fputc('\n', stderr); +} + +static const char *status_abbrev(unsigned char sha1[20]) +{ + return find_unique_abbrev(sha1, DEFAULT_ABBREV); +} + +static void print_ok_ref_status(struct ref *ref) +{ + if (ref->deletion) + print_ref_status('-', "[deleted]", ref, NULL, NULL); + else if (is_null_sha1(ref->old_sha1)) + print_ref_status('*', + (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" : + "[new branch]"), + ref, ref->peer_ref, NULL); + else { + char quickref[84]; + char type; + const char *msg; + + strcpy(quickref, status_abbrev(ref->old_sha1)); + if (ref->nonfastforward) { + strcat(quickref, "..."); + type = '+'; + msg = "forced update"; + } else { + strcat(quickref, ".."); + type = ' '; + msg = NULL; + } + strcat(quickref, status_abbrev(ref->new_sha1)); + + print_ref_status(type, quickref, ref, ref->peer_ref, msg); + } +} + +static int print_one_push_status(struct ref *ref, const char *dest, int count) +{ + if (!count) + fprintf(stderr, "To %s\n", dest); + + switch(ref->status) { + case REF_STATUS_NONE: + print_ref_status('X', "[no match]", ref, NULL, NULL); + break; + case REF_STATUS_REJECT_NODELETE: + print_ref_status('!', "[rejected]", ref, NULL, + "remote does not support deleting refs"); + break; + case REF_STATUS_UPTODATE: + print_ref_status('=', "[up to date]", ref, + ref->peer_ref, NULL); + break; + case REF_STATUS_REJECT_NONFASTFORWARD: + print_ref_status('!', "[rejected]", ref, ref->peer_ref, + "non-fast forward"); + break; + case REF_STATUS_REMOTE_REJECT: + print_ref_status('!', "[remote rejected]", ref, + ref->deletion ? NULL : ref->peer_ref, + ref->remote_status); + break; + case REF_STATUS_EXPECTING_REPORT: + print_ref_status('!', "[remote failure]", ref, + ref->deletion ? NULL : ref->peer_ref, + "remote failed to report status"); + break; + case REF_STATUS_OK: + print_ok_ref_status(ref); + break; + } + + return 1; +} + +static void print_push_status(const char *dest, struct ref *refs, int verbose) +{ + struct ref *ref; + int n = 0; + + if (verbose) { + for (ref = refs; ref; ref = ref->next) + if (ref->status == REF_STATUS_UPTODATE) + n += print_one_push_status(ref, dest, n); + } + + for (ref = refs; ref; ref = ref->next) + if (ref->status == REF_STATUS_OK) + n += print_one_push_status(ref, dest, n); + + for (ref = refs; ref; ref = ref->next) { + if (ref->status != REF_STATUS_NONE && + ref->status != REF_STATUS_UPTODATE && + ref->status != REF_STATUS_OK) + n += print_one_push_status(ref, dest, n); + } +} + +static void verify_remote_names(int nr_heads, const char **heads) +{ + int i; + + for (i = 0; i < nr_heads; i++) { + const char *local = heads[i]; + const char *remote = strrchr(heads[i], ':'); + + if (*local == '+') + local++; + + /* A matching refspec is okay. */ + if (remote == local && remote[1] == '\0') + continue; + + remote = remote ? (remote + 1) : local; + switch (check_ref_format(remote)) { + case 0: /* ok */ + case CHECK_REF_FORMAT_ONELEVEL: + /* ok but a single level -- that is fine for + * a match pattern. + */ + case CHECK_REF_FORMAT_WILDCARD: + /* ok but ends with a pattern-match character */ + continue; + } + die("remote part of refspec is not a valid name in %s", + heads[i]); + } +} + +static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags) { struct git_transport_data *data = transport->data; struct send_pack_args args; + int ret; + + if (!data->conn) { + struct ref *tmp_refs; + connect_setup(transport, 1, 0); + + get_remote_heads(data->fd[0], &tmp_refs, 0, NULL, REF_NORMAL, + NULL); + } - args.receivepack = data->receivepack; - args.send_all = !!(flags & TRANSPORT_PUSH_ALL); args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR); args.force_update = !!(flags & TRANSPORT_PUSH_FORCE); args.use_thin_pack = data->thin; args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE); args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN); - return send_pack(&args, transport->url, transport->remote, refspec_nr, refspec); + ret = send_pack(&args, data->fd, data->conn, remote_refs, + &data->extra_have); + + close(data->fd[1]); + close(data->fd[0]); + ret |= finish_connect(data->conn); + data->conn = NULL; + + return ret; } static int disconnect_git(struct transport *transport) @@ -753,7 +962,7 @@ struct transport *transport_get(struct remote *remote, const char *url) ret->set_option = set_git_option; ret->get_refs_list = get_refs_via_connect; ret->fetch = fetch_refs_via_pack; - ret->push = git_transport_push; + ret->push_refs = git_transport_push; ret->disconnect = disconnect_git; data->thin = 1; @@ -780,15 +989,53 @@ int transport_set_option(struct transport *transport, int transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) { - if (!transport->push) - return 1; - return transport->push(transport, refspec_nr, refspec, flags); + verify_remote_names(refspec_nr, refspec); + + if (transport->push) + return transport->push(transport, refspec_nr, refspec, flags); + if (transport->push_refs) { + struct ref *remote_refs = + transport->get_refs_list(transport, 1); + struct ref **remote_tail; + struct ref *local_refs = get_local_heads(); + int match_flags = MATCH_REFS_NONE; + int verbose = flags & TRANSPORT_PUSH_VERBOSE; + int ret; + + if (flags & TRANSPORT_PUSH_ALL) + match_flags |= MATCH_REFS_ALL; + if (flags & TRANSPORT_PUSH_MIRROR) + match_flags |= MATCH_REFS_MIRROR; + + remote_tail = &remote_refs; + while (*remote_tail) + remote_tail = &((*remote_tail)->next); + if (match_refs(local_refs, remote_refs, &remote_tail, + refspec_nr, refspec, match_flags)) { + return -1; + } + + ret = transport->push_refs(transport, remote_refs, flags); + + print_push_status(transport->url, remote_refs, verbose); + + if (!(flags & TRANSPORT_PUSH_DRY_RUN)) { + struct ref *ref; + for (ref = remote_refs; ref; ref = ref->next) + update_tracking_ref(transport->remote, ref, verbose); + } + + if (!ret && !refs_pushed(remote_refs)) + fprintf(stderr, "Everything up-to-date\n"); + return ret; + } + return 1; } const struct ref *transport_get_remote_refs(struct transport *transport) { if (!transport->remote_refs) - transport->remote_refs = transport->get_refs_list(transport); + transport->remote_refs = transport->get_refs_list(transport, 0); return transport->remote_refs; } diff --git a/transport.h b/transport.h index 6bbc1a8..b1c2252 100644 --- a/transport.h +++ b/transport.h @@ -18,8 +18,9 @@ struct transport { int (*set_option)(struct transport *connection, const char *name, const char *value); - struct ref *(*get_refs_list)(struct transport *transport); + struct ref *(*get_refs_list)(struct transport *transport, int for_push); int (*fetch)(struct transport *transport, int refs_nr, const struct ref **refs); + int (*push_refs)(struct transport *transport, struct ref *refs, int flags); int (*push)(struct transport *connection, int refspec_nr, const char **refspec, int flags); int (*disconnect)(struct transport *connection); |