| #include "cache.h" |
| #include "transport.h" |
| #include "run-command.h" |
| #include "pkt-line.h" |
| #include "fetch-pack.h" |
| #include "send-pack.h" |
| #include "walker.h" |
| #include "bundle.h" |
| #include "dir.h" |
| #include "refs.h" |
| #include "branch.h" |
| #include "url.h" |
| #include "submodule.h" |
| #include "string-list.h" |
| |
| /* rsync support */ |
| |
| /* |
| * We copy packed-refs and refs/ into a temporary file, then read the |
| * loose refs recursively (sorting whenever possible), and then inserting |
| * those packed refs that are not yet in the list (not validating, but |
| * assuming that the file is sorted). |
| * |
| * Appears refactoring this from refs.c is too cumbersome. |
| */ |
| |
| static int str_cmp(const void *a, const void *b) |
| { |
| const char *s1 = a; |
| const char *s2 = b; |
| |
| return strcmp(s1, s2); |
| } |
| |
| /* path->buf + name_offset is expected to point to "refs/" */ |
| |
| static int read_loose_refs(struct strbuf *path, int name_offset, |
| struct ref **tail) |
| { |
| DIR *dir = opendir(path->buf); |
| struct dirent *de; |
| struct { |
| char **entries; |
| int nr, alloc; |
| } list; |
| int i, pathlen; |
| |
| if (!dir) |
| return -1; |
| |
| memset (&list, 0, sizeof(list)); |
| |
| while ((de = readdir(dir))) { |
| if (is_dot_or_dotdot(de->d_name)) |
| continue; |
| ALLOC_GROW(list.entries, list.nr + 1, list.alloc); |
| list.entries[list.nr++] = xstrdup(de->d_name); |
| } |
| closedir(dir); |
| |
| /* sort the list */ |
| |
| qsort(list.entries, list.nr, sizeof(char *), str_cmp); |
| |
| pathlen = path->len; |
| strbuf_addch(path, '/'); |
| |
| for (i = 0; i < list.nr; i++, strbuf_setlen(path, pathlen + 1)) { |
| strbuf_addstr(path, list.entries[i]); |
| if (read_loose_refs(path, name_offset, tail)) { |
| int fd = open(path->buf, O_RDONLY); |
| char buffer[40]; |
| struct ref *next; |
| |
| if (fd < 0) |
| continue; |
| next = alloc_ref(path->buf + name_offset); |
| if (read_in_full(fd, buffer, 40) != 40 || |
| get_sha1_hex(buffer, next->old_sha1)) { |
| close(fd); |
| free(next); |
| continue; |
| } |
| close(fd); |
| (*tail)->next = next; |
| *tail = next; |
| } |
| } |
| strbuf_setlen(path, pathlen); |
| |
| for (i = 0; i < list.nr; i++) |
| free(list.entries[i]); |
| free(list.entries); |
| |
| return 0; |
| } |
| |
| /* insert the packed refs for which no loose refs were found */ |
| |
| static void insert_packed_refs(const char *packed_refs, struct ref **list) |
| { |
| FILE *f = fopen(packed_refs, "r"); |
| static char buffer[PATH_MAX]; |
| |
| if (!f) |
| return; |
| |
| for (;;) { |
| int cmp = cmp, len; |
| |
| if (!fgets(buffer, sizeof(buffer), f)) { |
| fclose(f); |
| return; |
| } |
| |
| if (hexval(buffer[0]) > 0xf) |
| continue; |
| len = strlen(buffer); |
| if (len && buffer[len - 1] == '\n') |
| buffer[--len] = '\0'; |
| if (len < 41) |
| continue; |
| while ((*list)->next && |
| (cmp = strcmp(buffer + 41, |
| (*list)->next->name)) > 0) |
| list = &(*list)->next; |
| if (!(*list)->next || cmp < 0) { |
| struct ref *next = alloc_ref(buffer + 41); |
| buffer[40] = '\0'; |
| if (get_sha1_hex(buffer, next->old_sha1)) { |
| warning ("invalid SHA-1: %s", buffer); |
| free(next); |
| continue; |
| } |
| next->next = (*list)->next; |
| (*list)->next = next; |
| list = &(*list)->next; |
| } |
| } |
| } |
| |
| static void set_upstreams(struct transport *transport, struct ref *refs, |
| int pretend) |
| { |
| struct ref *ref; |
| for (ref = refs; ref; ref = ref->next) { |
| const char *localname; |
| const char *tmp; |
| const char *remotename; |
| unsigned char sha[20]; |
| int flag = 0; |
| /* |
| * Check suitability for tracking. Must be successful / |
| * already up-to-date ref create/modify (not delete). |
| */ |
| if (ref->status != REF_STATUS_OK && |
| ref->status != REF_STATUS_UPTODATE) |
| continue; |
| if (!ref->peer_ref) |
| continue; |
| if (is_null_sha1(ref->new_sha1)) |
| continue; |
| |
| /* Follow symbolic refs (mainly for HEAD). */ |
| localname = ref->peer_ref->name; |
| remotename = ref->name; |
| tmp = resolve_ref_unsafe(localname, sha, 1, &flag); |
| if (tmp && flag & REF_ISSYMREF && |
| !prefixcmp(tmp, "refs/heads/")) |
| localname = tmp; |
| |
| /* Both source and destination must be local branches. */ |
| if (!localname || prefixcmp(localname, "refs/heads/")) |
| continue; |
| if (!remotename || prefixcmp(remotename, "refs/heads/")) |
| continue; |
| |
| if (!pretend) |
| install_branch_config(BRANCH_CONFIG_VERBOSE, |
| localname + 11, transport->remote->name, |
| remotename); |
| else |
| printf("Would set upstream of '%s' to '%s' of '%s'\n", |
| localname + 11, remotename + 11, |
| transport->remote->name); |
| } |
| } |
| |
| static const char *rsync_url(const char *url) |
| { |
| return prefixcmp(url, "rsync://") ? skip_prefix(url, "rsync:") : url; |
| } |
| |
| 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 = {NULL}, *tail = &dummy; |
| struct child_process rsync; |
| 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")); |
| if (!mkdtemp(temp_dir.buf)) |
| die_errno ("Could not make temporary directory"); |
| temp_dir_len = temp_dir.len; |
| |
| strbuf_addstr(&buf, rsync_url(transport->url)); |
| strbuf_addstr(&buf, "/refs"); |
| |
| memset(&rsync, 0, sizeof(rsync)); |
| rsync.argv = args; |
| rsync.stdout_to_stderr = 1; |
| args[0] = "rsync"; |
| args[1] = (transport->verbose > 1) ? "-rv" : "-r"; |
| args[2] = buf.buf; |
| args[3] = temp_dir.buf; |
| args[4] = NULL; |
| |
| if (run_command(&rsync)) |
| die ("Could not run rsync to get refs"); |
| |
| strbuf_reset(&buf); |
| strbuf_addstr(&buf, rsync_url(transport->url)); |
| strbuf_addstr(&buf, "/packed-refs"); |
| |
| args[2] = buf.buf; |
| |
| if (run_command(&rsync)) |
| die ("Could not run rsync to get refs"); |
| |
| /* read the copied refs */ |
| |
| strbuf_addstr(&temp_dir, "/refs"); |
| read_loose_refs(&temp_dir, temp_dir_len + 1, &tail); |
| strbuf_setlen(&temp_dir, temp_dir_len); |
| |
| tail = &dummy; |
| strbuf_addstr(&temp_dir, "/packed-refs"); |
| insert_packed_refs(temp_dir.buf, &tail); |
| strbuf_setlen(&temp_dir, temp_dir_len); |
| |
| if (remove_dir_recursively(&temp_dir, 0)) |
| warning ("Error removing temporary directory %s.", |
| temp_dir.buf); |
| |
| strbuf_release(&buf); |
| strbuf_release(&temp_dir); |
| |
| return dummy.next; |
| } |
| |
| static int fetch_objs_via_rsync(struct transport *transport, |
| int nr_objs, struct ref **to_fetch) |
| { |
| struct strbuf buf = STRBUF_INIT; |
| struct child_process rsync; |
| const char *args[8]; |
| int result; |
| |
| strbuf_addstr(&buf, rsync_url(transport->url)); |
| strbuf_addstr(&buf, "/objects/"); |
| |
| memset(&rsync, 0, sizeof(rsync)); |
| rsync.argv = args; |
| rsync.stdout_to_stderr = 1; |
| args[0] = "rsync"; |
| args[1] = (transport->verbose > 1) ? "-rv" : "-r"; |
| args[2] = "--ignore-existing"; |
| args[3] = "--exclude"; |
| args[4] = "info"; |
| args[5] = buf.buf; |
| args[6] = get_object_directory(); |
| args[7] = NULL; |
| |
| /* NEEDSWORK: handle one level of alternates */ |
| result = run_command(&rsync); |
| |
| strbuf_release(&buf); |
| |
| return result; |
| } |
| |
| static int write_one_ref(const char *name, const unsigned char *sha1, |
| int flags, void *data) |
| { |
| struct strbuf *buf = data; |
| int len = buf->len; |
| FILE *f; |
| |
| /* when called via for_each_ref(), flags is non-zero */ |
| if (flags && prefixcmp(name, "refs/heads/") && |
| prefixcmp(name, "refs/tags/")) |
| return 0; |
| |
| strbuf_addstr(buf, name); |
| if (safe_create_leading_directories(buf->buf) || |
| !(f = fopen(buf->buf, "w")) || |
| fprintf(f, "%s\n", sha1_to_hex(sha1)) < 0 || |
| fclose(f)) |
| return error("problems writing temporary file %s", buf->buf); |
| strbuf_setlen(buf, len); |
| return 0; |
| } |
| |
| static int write_refs_to_temp_dir(struct strbuf *temp_dir, |
| int refspec_nr, const char **refspec) |
| { |
| int i; |
| |
| for (i = 0; i < refspec_nr; i++) { |
| unsigned char sha1[20]; |
| char *ref; |
| |
| if (dwim_ref(refspec[i], strlen(refspec[i]), sha1, &ref) != 1) |
| return error("Could not get ref %s", refspec[i]); |
| |
| if (write_one_ref(ref, sha1, 0, temp_dir)) { |
| free(ref); |
| return -1; |
| } |
| free(ref); |
| } |
| return 0; |
| } |
| |
| static int rsync_transport_push(struct transport *transport, |
| int refspec_nr, const char **refspec, int flags) |
| { |
| struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; |
| int result = 0, i; |
| struct child_process rsync; |
| const char *args[10]; |
| |
| if (flags & TRANSPORT_PUSH_MIRROR) |
| return error("rsync transport does not support mirror mode"); |
| |
| /* first push the objects */ |
| |
| strbuf_addstr(&buf, rsync_url(transport->url)); |
| strbuf_addch(&buf, '/'); |
| |
| memset(&rsync, 0, sizeof(rsync)); |
| rsync.argv = args; |
| rsync.stdout_to_stderr = 1; |
| i = 0; |
| args[i++] = "rsync"; |
| args[i++] = "-a"; |
| if (flags & TRANSPORT_PUSH_DRY_RUN) |
| args[i++] = "--dry-run"; |
| if (transport->verbose > 1) |
| args[i++] = "-v"; |
| args[i++] = "--ignore-existing"; |
| args[i++] = "--exclude"; |
| args[i++] = "info"; |
| args[i++] = get_object_directory(); |
| args[i++] = buf.buf; |
| args[i++] = NULL; |
| |
| if (run_command(&rsync)) |
| return error("Could not push objects to %s", |
| rsync_url(transport->url)); |
| |
| /* copy the refs to the temporary directory; they could be packed. */ |
| |
| strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); |
| if (!mkdtemp(temp_dir.buf)) |
| die_errno ("Could not make temporary directory"); |
| strbuf_addch(&temp_dir, '/'); |
| |
| if (flags & TRANSPORT_PUSH_ALL) { |
| if (for_each_ref(write_one_ref, &temp_dir)) |
| return -1; |
| } else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec)) |
| return -1; |
| |
| i = 2; |
| if (flags & TRANSPORT_PUSH_DRY_RUN) |
| args[i++] = "--dry-run"; |
| if (!(flags & TRANSPORT_PUSH_FORCE)) |
| args[i++] = "--ignore-existing"; |
| args[i++] = temp_dir.buf; |
| args[i++] = rsync_url(transport->url); |
| args[i++] = NULL; |
| if (run_command(&rsync)) |
| result = error("Could not push to %s", |
| rsync_url(transport->url)); |
| |
| if (remove_dir_recursively(&temp_dir, 0)) |
| warning ("Could not remove temporary directory %s.", |
| temp_dir.buf); |
| |
| strbuf_release(&buf); |
| strbuf_release(&temp_dir); |
| |
| return result; |
| } |
| |
| struct bundle_transport_data { |
| int fd; |
| struct bundle_header header; |
| }; |
| |
| 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); |
| if (data->fd < 0) |
| die ("Could not read bundle '%s'.", transport->url); |
| for (i = 0; i < data->header.references.nr; i++) { |
| struct ref_list_entry *e = data->header.references.list + i; |
| struct ref *ref = alloc_ref(e->name); |
| hashcpy(ref->old_sha1, e->sha1); |
| ref->next = result; |
| result = ref; |
| } |
| return result; |
| } |
| |
| static int fetch_refs_from_bundle(struct transport *transport, |
| int nr_heads, struct ref **to_fetch) |
| { |
| struct bundle_transport_data *data = transport->data; |
| return unbundle(&data->header, data->fd, |
| transport->progress ? BUNDLE_VERBOSE : 0); |
| } |
| |
| static int close_bundle(struct transport *transport) |
| { |
| struct bundle_transport_data *data = transport->data; |
| if (data->fd > 0) |
| close(data->fd); |
| free(data); |
| return 0; |
| } |
| |
| struct git_transport_data { |
| struct git_transport_options options; |
| struct child_process *conn; |
| int fd[2]; |
| unsigned got_remote_heads : 1; |
| struct extra_have_objects extra_have; |
| }; |
| |
| static int set_git_option(struct git_transport_options *opts, |
| const char *name, const char *value) |
| { |
| if (!strcmp(name, TRANS_OPT_UPLOADPACK)) { |
| opts->uploadpack = value; |
| return 0; |
| } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) { |
| opts->receivepack = value; |
| return 0; |
| } else if (!strcmp(name, TRANS_OPT_THIN)) { |
| opts->thin = !!value; |
| return 0; |
| } else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) { |
| opts->followtags = !!value; |
| return 0; |
| } else if (!strcmp(name, TRANS_OPT_KEEP)) { |
| opts->keep = !!value; |
| return 0; |
| } else if (!strcmp(name, TRANS_OPT_DEPTH)) { |
| if (!value) |
| opts->depth = 0; |
| else { |
| char *end; |
| opts->depth = strtol(value, &end, 0); |
| if (*end) |
| die("transport: invalid depth option '%s'", value); |
| } |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int connect_setup(struct transport *transport, int for_push, int verbose) |
| { |
| struct git_transport_data *data = transport->data; |
| |
| if (data->conn) |
| return 0; |
| |
| data->conn = git_connect(data->fd, transport->url, |
| for_push ? data->options.receivepack : |
| data->options.uploadpack, |
| verbose ? CONNECT_VERBOSE : 0); |
| |
| return 0; |
| } |
| |
| 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, for_push, 0); |
| get_remote_heads(data->fd[0], &refs, |
| for_push ? REF_NORMAL : 0, &data->extra_have); |
| data->got_remote_heads = 1; |
| |
| return refs; |
| } |
| |
| static int fetch_refs_via_pack(struct transport *transport, |
| int nr_heads, struct ref **to_fetch) |
| { |
| struct git_transport_data *data = transport->data; |
| struct string_list sought = STRING_LIST_INIT_DUP; |
| const struct ref *refs; |
| char *dest = xstrdup(transport->url); |
| struct fetch_pack_args args; |
| int i; |
| struct ref *refs_tmp = NULL; |
| |
| memset(&args, 0, sizeof(args)); |
| args.uploadpack = data->options.uploadpack; |
| args.keep_pack = data->options.keep; |
| args.lock_pack = 1; |
| args.use_thin_pack = data->options.thin; |
| args.include_tag = data->options.followtags; |
| args.verbose = (transport->verbose > 1); |
| args.quiet = (transport->verbose < 0); |
| args.no_progress = !transport->progress; |
| args.depth = data->options.depth; |
| |
| for (i = 0; i < nr_heads; i++) |
| string_list_append(&sought, to_fetch[i]->name); |
| |
| if (!data->got_remote_heads) { |
| connect_setup(transport, 0, 0); |
| get_remote_heads(data->fd[0], &refs_tmp, 0, NULL); |
| data->got_remote_heads = 1; |
| } |
| |
| refs = fetch_pack(&args, data->fd, data->conn, |
| refs_tmp ? refs_tmp : transport->remote_refs, |
| dest, &sought, &transport->pack_lockfile); |
| close(data->fd[0]); |
| close(data->fd[1]); |
| if (finish_connect(data->conn)) |
| refs = NULL; |
| data->conn = NULL; |
| data->got_remote_heads = 0; |
| |
| free_refs(refs_tmp); |
| |
| string_list_clear(&sought, 0); |
| free(dest); |
| return (refs ? 0 : -1); |
| } |
| |
| static int push_had_errors(struct ref *ref) |
| { |
| for (; ref; ref = ref->next) { |
| switch (ref->status) { |
| case REF_STATUS_NONE: |
| case REF_STATUS_UPTODATE: |
| case REF_STATUS_OK: |
| break; |
| default: |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| int transport_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; |
| } |
| |
| void transport_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); |
| } |
| } |
| |
| static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain) |
| { |
| if (porcelain) { |
| if (from) |
| fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name); |
| else |
| fprintf(stdout, "%c\t:%s\t", flag, to->name); |
| if (msg) |
| fprintf(stdout, "%s (%s)\n", summary, msg); |
| else |
| fprintf(stdout, "%s\n", summary); |
| } else { |
| fprintf(stderr, " %c %-*s ", flag, TRANSPORT_SUMMARY_WIDTH, summary); |
| if (from) |
| fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name)); |
| else |
| fputs(prettify_refname(to->name), 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, int porcelain) |
| { |
| if (ref->deletion) |
| print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain); |
| 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, porcelain); |
| else { |
| char quickref[84]; |
| char type; |
| const char *msg; |
| |
| strcpy(quickref, status_abbrev(ref->old_sha1)); |
| if (ref->forced_update) { |
| 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, porcelain); |
| } |
| } |
| |
| static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain) |
| { |
| if (!count) |
| fprintf(porcelain ? stdout : stderr, "To %s\n", dest); |
| |
| switch(ref->status) { |
| case REF_STATUS_NONE: |
| print_ref_status('X', "[no match]", ref, NULL, NULL, porcelain); |
| break; |
| case REF_STATUS_REJECT_NODELETE: |
| print_ref_status('!', "[rejected]", ref, NULL, |
| "remote does not support deleting refs", porcelain); |
| break; |
| case REF_STATUS_UPTODATE: |
| print_ref_status('=', "[up to date]", ref, |
| ref->peer_ref, NULL, porcelain); |
| break; |
| case REF_STATUS_REJECT_NONFASTFORWARD: |
| print_ref_status('!', "[rejected]", ref, ref->peer_ref, |
| "non-fast-forward", porcelain); |
| break; |
| case REF_STATUS_REJECT_ALREADY_EXISTS: |
| print_ref_status('!', "[rejected]", ref, ref->peer_ref, |
| "already exists", porcelain); |
| break; |
| case REF_STATUS_REJECT_FETCH_FIRST: |
| print_ref_status('!', "[rejected]", ref, ref->peer_ref, |
| "fetch first", porcelain); |
| break; |
| case REF_STATUS_REJECT_NEEDS_FORCE: |
| print_ref_status('!', "[rejected]", ref, ref->peer_ref, |
| "needs force", porcelain); |
| break; |
| case REF_STATUS_REMOTE_REJECT: |
| print_ref_status('!', "[remote rejected]", ref, |
| ref->deletion ? NULL : ref->peer_ref, |
| ref->remote_status, porcelain); |
| break; |
| case REF_STATUS_EXPECTING_REPORT: |
| print_ref_status('!', "[remote failure]", ref, |
| ref->deletion ? NULL : ref->peer_ref, |
| "remote failed to report status", porcelain); |
| break; |
| case REF_STATUS_OK: |
| print_ok_ref_status(ref, porcelain); |
| break; |
| } |
| |
| return 1; |
| } |
| |
| void transport_print_push_status(const char *dest, struct ref *refs, |
| int verbose, int porcelain, unsigned int *reject_reasons) |
| { |
| struct ref *ref; |
| int n = 0; |
| unsigned char head_sha1[20]; |
| char *head; |
| |
| head = resolve_refdup("HEAD", head_sha1, 1, NULL); |
| |
| if (verbose) { |
| for (ref = refs; ref; ref = ref->next) |
| if (ref->status == REF_STATUS_UPTODATE) |
| n += print_one_push_status(ref, dest, n, porcelain); |
| } |
| |
| for (ref = refs; ref; ref = ref->next) |
| if (ref->status == REF_STATUS_OK) |
| n += print_one_push_status(ref, dest, n, porcelain); |
| |
| *reject_reasons = 0; |
| 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, porcelain); |
| if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) { |
| if (head != NULL && !strcmp(head, ref->name)) |
| *reject_reasons |= REJECT_NON_FF_HEAD; |
| else |
| *reject_reasons |= REJECT_NON_FF_OTHER; |
| } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) { |
| *reject_reasons |= REJECT_ALREADY_EXISTS; |
| } else if (ref->status == REF_STATUS_REJECT_FETCH_FIRST) { |
| *reject_reasons |= REJECT_FETCH_FIRST; |
| } else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) { |
| *reject_reasons |= REJECT_NEEDS_FORCE; |
| } |
| } |
| } |
| |
| void transport_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; |
| if (check_refname_format(remote, |
| REFNAME_ALLOW_ONELEVEL|REFNAME_REFSPEC_PATTERN)) |
| 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->got_remote_heads) { |
| struct ref *tmp_refs; |
| connect_setup(transport, 1, 0); |
| |
| get_remote_heads(data->fd[0], &tmp_refs, REF_NORMAL, NULL); |
| data->got_remote_heads = 1; |
| } |
| |
| memset(&args, 0, sizeof(args)); |
| args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR); |
| args.force_update = !!(flags & TRANSPORT_PUSH_FORCE); |
| args.use_thin_pack = data->options.thin; |
| args.verbose = (transport->verbose > 0); |
| args.quiet = (transport->verbose < 0); |
| args.progress = transport->progress; |
| args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN); |
| args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN); |
| |
| 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; |
| data->got_remote_heads = 0; |
| |
| return ret; |
| } |
| |
| static int connect_git(struct transport *transport, const char *name, |
| const char *executable, int fd[2]) |
| { |
| struct git_transport_data *data = transport->data; |
| data->conn = git_connect(data->fd, transport->url, |
| executable, 0); |
| fd[0] = data->fd[0]; |
| fd[1] = data->fd[1]; |
| return 0; |
| } |
| |
| static int disconnect_git(struct transport *transport) |
| { |
| struct git_transport_data *data = transport->data; |
| if (data->conn) { |
| if (data->got_remote_heads) |
| packet_flush(data->fd[1]); |
| close(data->fd[0]); |
| close(data->fd[1]); |
| finish_connect(data->conn); |
| } |
| |
| free(data); |
| return 0; |
| } |
| |
| void transport_take_over(struct transport *transport, |
| struct child_process *child) |
| { |
| struct git_transport_data *data; |
| |
| if (!transport->smart_options) |
| die("Bug detected: Taking over transport requires non-NULL " |
| "smart_options field."); |
| |
| data = xcalloc(1, sizeof(*data)); |
| data->options = *transport->smart_options; |
| data->conn = child; |
| data->fd[0] = data->conn->out; |
| data->fd[1] = data->conn->in; |
| data->got_remote_heads = 0; |
| transport->data = data; |
| |
| transport->set_option = NULL; |
| transport->get_refs_list = get_refs_via_connect; |
| transport->fetch = fetch_refs_via_pack; |
| transport->push = NULL; |
| transport->push_refs = git_transport_push; |
| transport->disconnect = disconnect_git; |
| transport->smart_options = &(data->options); |
| } |
| |
| static int is_local(const char *url) |
| { |
| const char *colon = strchr(url, ':'); |
| const char *slash = strchr(url, '/'); |
| return !colon || (slash && slash < colon) || |
| has_dos_drive_prefix(url); |
| } |
| |
| static int is_file(const char *url) |
| { |
| struct stat buf; |
| if (stat(url, &buf)) |
| return 0; |
| return S_ISREG(buf.st_mode); |
| } |
| |
| static int external_specification_len(const char *url) |
| { |
| return strchr(url, ':') - url; |
| } |
| |
| struct transport *transport_get(struct remote *remote, const char *url) |
| { |
| const char *helper; |
| struct transport *ret = xcalloc(1, sizeof(*ret)); |
| |
| ret->progress = isatty(2); |
| |
| if (!remote) |
| die("No remote provided to transport_get()"); |
| |
| ret->got_remote_refs = 0; |
| ret->remote = remote; |
| helper = remote->foreign_vcs; |
| |
| if (!url && remote->url) |
| url = remote->url[0]; |
| ret->url = url; |
| |
| /* maybe it is a foreign URL? */ |
| if (url) { |
| const char *p = url; |
| |
| while (is_urlschemechar(p == url, *p)) |
| p++; |
| if (!prefixcmp(p, "::")) |
| helper = xstrndup(url, p - url); |
| } |
| |
| if (helper) { |
| transport_helper_init(ret, helper); |
| } else if (!prefixcmp(url, "rsync:")) { |
| ret->get_refs_list = get_refs_via_rsync; |
| ret->fetch = fetch_objs_via_rsync; |
| ret->push = rsync_transport_push; |
| ret->smart_options = NULL; |
| } else if (is_local(url) && is_file(url) && is_bundle(url, 1)) { |
| struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); |
| ret->data = data; |
| ret->get_refs_list = get_refs_from_bundle; |
| ret->fetch = fetch_refs_from_bundle; |
| ret->disconnect = close_bundle; |
| ret->smart_options = NULL; |
| } else if (!is_url(url) |
| || !prefixcmp(url, "file://") |
| || !prefixcmp(url, "git://") |
| || !prefixcmp(url, "ssh://") |
| || !prefixcmp(url, "git+ssh://") |
| || !prefixcmp(url, "ssh+git://")) { |
| /* These are builtin smart transports. */ |
| struct git_transport_data *data = xcalloc(1, sizeof(*data)); |
| ret->data = data; |
| ret->set_option = NULL; |
| ret->get_refs_list = get_refs_via_connect; |
| ret->fetch = fetch_refs_via_pack; |
| ret->push_refs = git_transport_push; |
| ret->connect = connect_git; |
| ret->disconnect = disconnect_git; |
| ret->smart_options = &(data->options); |
| |
| data->conn = NULL; |
| data->got_remote_heads = 0; |
| } else { |
| /* Unknown protocol in URL. Pass to external handler. */ |
| int len = external_specification_len(url); |
| char *handler = xmalloc(len + 1); |
| handler[len] = 0; |
| strncpy(handler, url, len); |
| transport_helper_init(ret, handler); |
| } |
| |
| if (ret->smart_options) { |
| ret->smart_options->thin = 1; |
| ret->smart_options->uploadpack = "git-upload-pack"; |
| if (remote->uploadpack) |
| ret->smart_options->uploadpack = remote->uploadpack; |
| ret->smart_options->receivepack = "git-receive-pack"; |
| if (remote->receivepack) |
| ret->smart_options->receivepack = remote->receivepack; |
| } |
| |
| return ret; |
| } |
| |
| int transport_set_option(struct transport *transport, |
| const char *name, const char *value) |
| { |
| int git_reports = 1, protocol_reports = 1; |
| |
| if (transport->smart_options) |
| git_reports = set_git_option(transport->smart_options, |
| name, value); |
| |
| if (transport->set_option) |
| protocol_reports = transport->set_option(transport, name, |
| value); |
| |
| /* If either report is 0, report 0 (success). */ |
| if (!git_reports || !protocol_reports) |
| return 0; |
| /* If either reports -1 (invalid value), report -1. */ |
| if ((git_reports == -1) || (protocol_reports == -1)) |
| return -1; |
| /* Otherwise if both report unknown, report unknown. */ |
| return 1; |
| } |
| |
| void transport_set_verbosity(struct transport *transport, int verbosity, |
| int force_progress) |
| { |
| if (verbosity >= 1) |
| transport->verbose = verbosity <= 3 ? verbosity : 3; |
| if (verbosity < 0) |
| transport->verbose = -1; |
| |
| /** |
| * Rules used to determine whether to report progress (processing aborts |
| * when a rule is satisfied): |
| * |
| * . Report progress, if force_progress is 1 (ie. --progress). |
| * . Don't report progress, if force_progress is 0 (ie. --no-progress). |
| * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ). |
| * . Report progress if isatty(2) is 1. |
| **/ |
| if (force_progress >= 0) |
| transport->progress = !!force_progress; |
| else |
| transport->progress = verbosity >= 0 && isatty(2); |
| } |
| |
| static void die_with_unpushed_submodules(struct string_list *needs_pushing) |
| { |
| int i; |
| |
| fprintf(stderr, "The following submodule paths contain changes that can\n" |
| "not be found on any remote:\n"); |
| for (i = 0; i < needs_pushing->nr; i++) |
| printf(" %s\n", needs_pushing->items[i].string); |
| fprintf(stderr, "\nPlease try\n\n" |
| " git push --recurse-submodules=on-demand\n\n" |
| "or cd to the path and use\n\n" |
| " git push\n\n" |
| "to push them to a remote.\n\n"); |
| |
| string_list_clear(needs_pushing, 0); |
| |
| die("Aborting."); |
| } |
| |
| static int run_pre_push_hook(struct transport *transport, |
| struct ref *remote_refs) |
| { |
| int ret = 0, x; |
| struct ref *r; |
| struct child_process proc; |
| struct strbuf buf; |
| const char *argv[4]; |
| |
| if (!(argv[0] = find_hook("pre-push"))) |
| return 0; |
| |
| argv[1] = transport->remote->name; |
| argv[2] = transport->url; |
| argv[3] = NULL; |
| |
| memset(&proc, 0, sizeof(proc)); |
| proc.argv = argv; |
| proc.in = -1; |
| |
| if (start_command(&proc)) { |
| finish_command(&proc); |
| return -1; |
| } |
| |
| strbuf_init(&buf, 256); |
| |
| for (r = remote_refs; r; r = r->next) { |
| if (!r->peer_ref) continue; |
| if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue; |
| if (r->status == REF_STATUS_UPTODATE) continue; |
| |
| strbuf_reset(&buf); |
| strbuf_addf( &buf, "%s %s %s %s\n", |
| r->peer_ref->name, sha1_to_hex(r->new_sha1), |
| r->name, sha1_to_hex(r->old_sha1)); |
| |
| if (write_in_full(proc.in, buf.buf, buf.len) != buf.len) { |
| ret = -1; |
| break; |
| } |
| } |
| |
| strbuf_release(&buf); |
| |
| x = close(proc.in); |
| if (!ret) |
| ret = x; |
| |
| x = finish_command(&proc); |
| if (!ret) |
| ret = x; |
| |
| return ret; |
| } |
| |
| int transport_push(struct transport *transport, |
| int refspec_nr, const char **refspec, int flags, |
| unsigned int *reject_reasons) |
| { |
| *reject_reasons = 0; |
| transport_verify_remote_names(refspec_nr, refspec); |
| |
| if (transport->push) { |
| /* Maybe FIXME. But no important transport uses this case. */ |
| if (flags & TRANSPORT_PUSH_SET_UPSTREAM) |
| die("This transport does not support using --set-upstream"); |
| |
| return transport->push(transport, refspec_nr, refspec, flags); |
| } else if (transport->push_refs) { |
| struct ref *remote_refs = |
| transport->get_refs_list(transport, 1); |
| struct ref *local_refs = get_local_heads(); |
| int match_flags = MATCH_REFS_NONE; |
| int verbose = (transport->verbose > 0); |
| int quiet = (transport->verbose < 0); |
| int porcelain = flags & TRANSPORT_PUSH_PORCELAIN; |
| int pretend = flags & TRANSPORT_PUSH_DRY_RUN; |
| int push_ret, ret, err; |
| |
| if (flags & TRANSPORT_PUSH_ALL) |
| match_flags |= MATCH_REFS_ALL; |
| if (flags & TRANSPORT_PUSH_MIRROR) |
| match_flags |= MATCH_REFS_MIRROR; |
| if (flags & TRANSPORT_PUSH_PRUNE) |
| match_flags |= MATCH_REFS_PRUNE; |
| |
| if (match_push_refs(local_refs, &remote_refs, |
| refspec_nr, refspec, match_flags)) { |
| return -1; |
| } |
| |
| set_ref_status_for_push(remote_refs, |
| flags & TRANSPORT_PUSH_MIRROR, |
| flags & TRANSPORT_PUSH_FORCE); |
| |
| if (!(flags & TRANSPORT_PUSH_NO_HOOK)) |
| if (run_pre_push_hook(transport, remote_refs)) |
| return -1; |
| |
| if ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) && !is_bare_repository()) { |
| struct ref *ref = remote_refs; |
| for (; ref; ref = ref->next) |
| if (!is_null_sha1(ref->new_sha1) && |
| !push_unpushed_submodules(ref->new_sha1, |
| transport->remote->name)) |
| die ("Failed to push all needed submodules!"); |
| } |
| |
| if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND | |
| TRANSPORT_RECURSE_SUBMODULES_CHECK)) && !is_bare_repository()) { |
| struct ref *ref = remote_refs; |
| struct string_list needs_pushing; |
| |
| memset(&needs_pushing, 0, sizeof(struct string_list)); |
| needs_pushing.strdup_strings = 1; |
| for (; ref; ref = ref->next) |
| if (!is_null_sha1(ref->new_sha1) && |
| find_unpushed_submodules(ref->new_sha1, |
| transport->remote->name, &needs_pushing)) |
| die_with_unpushed_submodules(&needs_pushing); |
| } |
| |
| push_ret = transport->push_refs(transport, remote_refs, flags); |
| err = push_had_errors(remote_refs); |
| ret = push_ret | err; |
| |
| if (!quiet || err) |
| transport_print_push_status(transport->url, remote_refs, |
| verbose | porcelain, porcelain, |
| reject_reasons); |
| |
| if (flags & TRANSPORT_PUSH_SET_UPSTREAM) |
| set_upstreams(transport, remote_refs, pretend); |
| |
| if (!(flags & TRANSPORT_PUSH_DRY_RUN)) { |
| struct ref *ref; |
| for (ref = remote_refs; ref; ref = ref->next) |
| transport_update_tracking_ref(transport->remote, ref, verbose); |
| } |
| |
| if (porcelain && !push_ret) |
| puts("Done"); |
| else if (!quiet && !ret && !transport_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->got_remote_refs) { |
| transport->remote_refs = transport->get_refs_list(transport, 0); |
| transport->got_remote_refs = 1; |
| } |
| |
| return transport->remote_refs; |
| } |
| |
| int transport_fetch_refs(struct transport *transport, struct ref *refs) |
| { |
| int rc; |
| int nr_heads = 0, nr_alloc = 0, nr_refs = 0; |
| struct ref **heads = NULL; |
| struct ref *rm; |
| |
| for (rm = refs; rm; rm = rm->next) { |
| nr_refs++; |
| if (rm->peer_ref && |
| !is_null_sha1(rm->old_sha1) && |
| !hashcmp(rm->peer_ref->old_sha1, rm->old_sha1)) |
| continue; |
| ALLOC_GROW(heads, nr_heads + 1, nr_alloc); |
| heads[nr_heads++] = rm; |
| } |
| |
| if (!nr_heads) { |
| /* |
| * When deepening of a shallow repository is requested, |
| * then local and remote refs are likely to still be equal. |
| * Just feed them all to the fetch method in that case. |
| * This condition shouldn't be met in a non-deepening fetch |
| * (see builtin-fetch.c:quickfetch()). |
| */ |
| heads = xmalloc(nr_refs * sizeof(*heads)); |
| for (rm = refs; rm; rm = rm->next) |
| heads[nr_heads++] = rm; |
| } |
| |
| rc = transport->fetch(transport, nr_heads, heads); |
| |
| free(heads); |
| return rc; |
| } |
| |
| void transport_unlock_pack(struct transport *transport) |
| { |
| if (transport->pack_lockfile) { |
| unlink_or_warn(transport->pack_lockfile); |
| free(transport->pack_lockfile); |
| transport->pack_lockfile = NULL; |
| } |
| } |
| |
| int transport_connect(struct transport *transport, const char *name, |
| const char *exec, int fd[2]) |
| { |
| if (transport->connect) |
| return transport->connect(transport, name, exec, fd); |
| else |
| die("Operation not supported by protocol"); |
| } |
| |
| int transport_disconnect(struct transport *transport) |
| { |
| int ret = 0; |
| if (transport->disconnect) |
| ret = transport->disconnect(transport); |
| free(transport); |
| return ret; |
| } |
| |
| /* |
| * Strip username (and password) from a URL and return |
| * it in a newly allocated string. |
| */ |
| char *transport_anonymize_url(const char *url) |
| { |
| char *anon_url, *scheme_prefix, *anon_part; |
| size_t anon_len, prefix_len = 0; |
| |
| anon_part = strchr(url, '@'); |
| if (is_local(url) || !anon_part) |
| goto literal_copy; |
| |
| anon_len = strlen(++anon_part); |
| scheme_prefix = strstr(url, "://"); |
| if (!scheme_prefix) { |
| if (!strchr(anon_part, ':')) |
| /* cannot be "me@there:/path/name" */ |
| goto literal_copy; |
| } else { |
| const char *cp; |
| /* make sure scheme is reasonable */ |
| for (cp = url; cp < scheme_prefix; cp++) { |
| switch (*cp) { |
| /* RFC 1738 2.1 */ |
| case '+': case '.': case '-': |
| break; /* ok */ |
| default: |
| if (isalnum(*cp)) |
| break; |
| /* it isn't */ |
| goto literal_copy; |
| } |
| } |
| /* @ past the first slash does not count */ |
| cp = strchr(scheme_prefix + 3, '/'); |
| if (cp && cp < anon_part) |
| goto literal_copy; |
| prefix_len = scheme_prefix - url + 3; |
| } |
| anon_url = xcalloc(1, 1 + prefix_len + anon_len); |
| memcpy(anon_url, url, prefix_len); |
| memcpy(anon_url + prefix_len, anon_part, anon_len); |
| return anon_url; |
| literal_copy: |
| return xstrdup(url); |
| } |
| |
| struct alternate_refs_data { |
| alternate_ref_fn *fn; |
| void *data; |
| }; |
| |
| static int refs_from_alternate_cb(struct alternate_object_database *e, |
| void *data) |
| { |
| char *other; |
| size_t len; |
| struct remote *remote; |
| struct transport *transport; |
| const struct ref *extra; |
| struct alternate_refs_data *cb = data; |
| |
| e->name[-1] = '\0'; |
| other = xstrdup(real_path(e->base)); |
| e->name[-1] = '/'; |
| len = strlen(other); |
| |
| while (other[len-1] == '/') |
| other[--len] = '\0'; |
| if (len < 8 || memcmp(other + len - 8, "/objects", 8)) |
| return 0; |
| /* Is this a git repository with refs? */ |
| memcpy(other + len - 8, "/refs", 6); |
| if (!is_directory(other)) |
| return 0; |
| other[len - 8] = '\0'; |
| remote = remote_get(other); |
| transport = transport_get(remote, other); |
| for (extra = transport_get_remote_refs(transport); |
| extra; |
| extra = extra->next) |
| cb->fn(extra, cb->data); |
| transport_disconnect(transport); |
| free(other); |
| return 0; |
| } |
| |
| void for_each_alternate_ref(alternate_ref_fn fn, void *data) |
| { |
| struct alternate_refs_data cb; |
| cb.fn = fn; |
| cb.data = data; |
| foreach_alt_odb(refs_from_alternate_cb, &cb); |
| } |