diff options
Diffstat (limited to 'transport.c')
-rw-r--r-- | transport.c | 462 |
1 files changed, 75 insertions, 387 deletions
diff --git a/transport.c b/transport.c index 164a716053..94d6dc3725 100644 --- a/transport.c +++ b/transport.c @@ -15,133 +15,7 @@ #include "submodule.h" #include "string-list.h" #include "sha1-array.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 = 0; /* assigned before used */ - int len; - - if (!fgets(buffer, sizeof(buffer), f)) { - fclose(f); - return; - } - - if (!isxdigit(buffer[0])) - 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; - } - } -} +#include "sigchain.h" static void set_upstreams(struct transport *transport, struct ref *refs, int pretend) @@ -162,7 +36,7 @@ static void set_upstreams(struct transport *transport, struct ref *refs, continue; if (!ref->peer_ref) continue; - if (is_null_sha1(ref->new_sha1)) + if (is_null_oid(&ref->new_oid)) continue; /* Follow symbolic refs (mainly for HEAD). */ @@ -185,211 +59,12 @@ static void set_upstreams(struct transport *transport, struct ref *refs, localname + 11, transport->remote->name, remotename); else - printf("Would set upstream of '%s' to '%s' of '%s'\n", + 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) -{ - if (!starts_with(url, "rsync://")) - skip_prefix(url, "rsync:", &url); - return 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 = CHILD_PROCESS_INIT; - 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"); - - 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 child_process rsync = CHILD_PROCESS_INIT; - - rsync.stdout_to_stderr = 1; - argv_array_push(&rsync.args, "rsync"); - argv_array_push(&rsync.args, (transport->verbose > 1) ? "-rv" : "-r"); - argv_array_push(&rsync.args, "--ignore-existing"); - argv_array_push(&rsync.args, "--exclude"); - argv_array_push(&rsync.args, "info"); - argv_array_pushf(&rsync.args, "%s/objects/", rsync_url(transport->url)); - argv_array_push(&rsync.args, get_object_directory()); - - /* NEEDSWORK: handle one level of alternates */ - return run_command(&rsync); -} - -static int write_one_ref(const char *name, const struct object_id *oid, - int flags, void *data) -{ - struct strbuf *buf = data; - int len = buf->len; - - /* when called via for_each_ref(), flags is non-zero */ - if (flags && !starts_with(name, "refs/heads/") && - !starts_with(name, "refs/tags/")) - return 0; - - strbuf_addstr(buf, name); - if (safe_create_leading_directories(buf->buf) || - write_file(buf->buf, 0, "%s\n", oid_to_hex(oid))) - return error("problems writing temporary file %s: %s", - buf->buf, strerror(errno)); - 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++) { - struct object_id oid; - char *ref; - - if (dwim_ref(refspec[i], strlen(refspec[i]), oid.hash, &ref) != 1) - return error("Could not get ref %s", refspec[i]); - - if (write_one_ref(ref, &oid, 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 = CHILD_PROCESS_INIT; - 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, '/'); - - 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; @@ -412,7 +87,7 @@ static struct ref *get_refs_from_bundle(struct transport *transport, int for_pus 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); + hashcpy(ref->old_oid.hash, e->sha1); ref->next = result; result = ref; } @@ -473,27 +148,31 @@ static int set_git_option(struct git_transport_options *opts, char *end; opts->depth = strtol(value, &end, 0); if (*end) - die("transport: invalid depth option '%s'", value); + die(_("transport: invalid depth option '%s'"), value); } return 0; - } else if (!strcmp(name, TRANS_OPT_PUSH_CERT)) { - opts->push_cert = !!value; - return 0; } return 1; } -static int connect_setup(struct transport *transport, int for_push, int verbose) +static int connect_setup(struct transport *transport, int for_push) { struct git_transport_data *data = transport->data; + int flags = transport->verbose > 0 ? CONNECT_VERBOSE : 0; if (data->conn) return 0; + switch (transport->family) { + case TRANSPORT_FAMILY_ALL: break; + case TRANSPORT_FAMILY_IPV4: flags |= CONNECT_IPV4; break; + case TRANSPORT_FAMILY_IPV6: flags |= CONNECT_IPV6; break; + } + data->conn = git_connect(data->fd, transport->url, for_push ? data->options.receivepack : data->options.uploadpack, - verbose ? CONNECT_VERBOSE : 0); + flags); return 0; } @@ -503,7 +182,7 @@ static struct ref *get_refs_via_connect(struct transport *transport, int for_pus struct git_transport_data *data = transport->data; struct ref *refs; - connect_setup(transport, for_push, 0); + connect_setup(transport, for_push); get_remote_heads(data->fd[0], NULL, 0, &refs, for_push ? REF_NORMAL : 0, &data->extra_have, @@ -538,7 +217,7 @@ static int fetch_refs_via_pack(struct transport *transport, args.update_shallow = data->options.update_shallow; if (!data->got_remote_heads) { - connect_setup(transport, 0, 0); + connect_setup(transport, 0); get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0, NULL, &data->shallow); data->got_remote_heads = 1; @@ -611,7 +290,7 @@ void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int v delete_ref(rs.dst, NULL, 0); } else update_ref("update by push", rs.dst, - ref->new_sha1, NULL, 0, 0); + ref->new_oid.hash, NULL, 0, 0); free(rs.dst); } } @@ -642,45 +321,46 @@ static void print_ref_status(char flag, const char *summary, struct ref *to, str } } -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)) + else if (is_null_oid(&ref->old_oid)) print_ref_status('*', (starts_with(ref->name, "refs/tags/") ? "[new tag]" : "[new branch]"), ref, ref->peer_ref, NULL, porcelain); else { - char quickref[84]; + struct strbuf quickref = STRBUF_INIT; char type; const char *msg; - strcpy(quickref, status_abbrev(ref->old_sha1)); + strbuf_add_unique_abbrev(&quickref, ref->old_oid.hash, + DEFAULT_ABBREV); if (ref->forced_update) { - strcat(quickref, "..."); + strbuf_addstr(&quickref, "..."); type = '+'; msg = "forced update"; } else { - strcat(quickref, ".."); + strbuf_addstr(&quickref, ".."); type = ' '; msg = NULL; } - strcat(quickref, status_abbrev(ref->new_sha1)); + strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, + DEFAULT_ABBREV); - print_ref_status(type, quickref, ref, ref->peer_ref, msg, porcelain); + print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg, porcelain); + strbuf_release(&quickref); } } 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); + if (!count) { + char *url = transport_anonymize_url(dest); + fprintf(porcelain ? stdout : stderr, "To %s\n", url); + free(url); + } switch(ref->status) { case REF_STATUS_NONE: @@ -813,7 +493,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re if (!data->got_remote_heads) { struct ref *tmp_refs; - connect_setup(transport, 1, 0); + connect_setup(transport, 1); get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL, NULL, &data->shallow); @@ -829,10 +509,17 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re args.progress = transport->progress; args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN); args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN); - args.push_cert = !!(flags & TRANSPORT_PUSH_CERT); args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC); + args.push_options = transport->push_options; args.url = transport->url; + if (flags & TRANSPORT_PUSH_CERT_ALWAYS) + args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS; + else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED) + args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED; + else + args.push_cert = SEND_PACK_PUSH_CERT_NEVER; + ret = send_pack(&args, data->fd, data->conn, remote_refs, &data->extra_have); @@ -877,7 +564,7 @@ void transport_take_over(struct transport *transport, struct git_transport_data *data; if (!transport->smart_options) - die("Bug detected: Taking over transport requires non-NULL " + die("BUG: taking over transport requires non-NULL " "smart_options field."); data = xcalloc(1, sizeof(*data)); @@ -979,11 +666,7 @@ struct transport *transport_get(struct remote *remote, const char *url) if (helper) { transport_helper_init(ret, helper); } else if (starts_with(url, "rsync:")) { - transport_check_allowed("rsync"); - ret->get_refs_list = get_refs_via_rsync; - ret->fetch = fetch_objs_via_rsync; - ret->push = rsync_transport_push; - ret->smart_options = NULL; + die("git-over-rsync is no longer supported"); } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) { struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); transport_check_allowed("file"); @@ -996,8 +679,9 @@ struct transport *transport_get(struct remote *remote, const char *url) || starts_with(url, "file://") || starts_with(url, "git://") || starts_with(url, "ssh://") - || starts_with(url, "git+ssh://") - || starts_with(url, "ssh+git://")) { + || starts_with(url, "git+ssh://") /* deprecated - do not use */ + || starts_with(url, "ssh+git://") /* deprecated - do not use */ + ) { /* * These are builtin smart transports; "allowed" transports * will be checked individually in git_connect. @@ -1084,19 +768,19 @@ 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"); + 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"); + fprintf(stderr, " %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."); + die(_("Aborting.")); } static int run_pre_push_hook(struct transport *transport, @@ -1123,6 +807,8 @@ static int run_pre_push_hook(struct transport *transport, return -1; } + sigchain_push(SIGPIPE, SIG_IGN); + strbuf_init(&buf, 256); for (r = remote_refs; r; r = r->next) { @@ -1133,11 +819,13 @@ static int run_pre_push_hook(struct transport *transport, 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)); + r->peer_ref->name, oid_to_hex(&r->new_oid), + r->name, oid_to_hex(&r->old_oid)); - if (write_in_full(proc.in, buf.buf, buf.len) != buf.len) { - ret = -1; + if (write_in_full(proc.in, buf.buf, buf.len) < 0) { + /* We do not mind if a hook does not read all refs. */ + if (errno != EPIPE) + ret = -1; break; } } @@ -1148,6 +836,8 @@ static int run_pre_push_hook(struct transport *transport, if (!ret) ret = x; + sigchain_pop(SIGPIPE); + x = finish_command(&proc); if (!ret) ret = x; @@ -1214,8 +904,8 @@ int transport_push(struct transport *transport, 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, + if (!is_null_oid(&ref->new_oid) && + !push_unpushed_submodules(ref->new_oid.hash, transport->remote->name)) die ("Failed to push all needed submodules!"); } @@ -1226,8 +916,8 @@ int transport_push(struct transport *transport, struct string_list needs_pushing = STRING_LIST_INIT_DUP; for (; ref; ref = ref->next) - if (!is_null_sha1(ref->new_sha1) && - find_unpushed_submodules(ref->new_sha1, + if (!is_null_oid(&ref->new_oid) && + find_unpushed_submodules(ref->new_oid.hash, transport->remote->name, &needs_pushing)) die_with_unpushed_submodules(&needs_pushing); } @@ -1280,8 +970,8 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs) 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)) + !is_null_oid(&rm->old_oid) && + !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid)) continue; ALLOC_GROW(heads, nr_heads + 1, nr_alloc); heads[nr_heads++] = rm; @@ -1295,7 +985,7 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs) * This condition shouldn't be met in a non-deepening fetch * (see builtin/fetch.c:quickfetch()). */ - heads = xmalloc(nr_refs * sizeof(*heads)); + ALLOC_ARRAY(heads, nr_refs); for (rm = refs; rm; rm = rm->next) heads[nr_heads++] = rm; } @@ -1339,7 +1029,7 @@ int transport_disconnect(struct transport *transport) */ char *transport_anonymize_url(const char *url) { - char *anon_url, *scheme_prefix, *anon_part; + char *scheme_prefix, *anon_part; size_t anon_len, prefix_len = 0; anon_part = strchr(url, '@'); @@ -1373,10 +1063,8 @@ char *transport_anonymize_url(const char *url) 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; + return xstrfmt("%.*s%.*s", (int)prefix_len, url, + (int)anon_len, anon_part); literal_copy: return xstrdup(url); } |