diff options
Diffstat (limited to 'transport.c')
-rw-r--r-- | transport.c | 158 |
1 files changed, 119 insertions, 39 deletions
diff --git a/transport.c b/transport.c index a32da30dee..f1fcd2c4b0 100644 --- a/transport.c +++ b/transport.c @@ -139,7 +139,7 @@ static struct ref *get_refs_from_bundle(struct transport *transport, close(data->fd); data->fd = read_bundle_header(transport->url, &data->header); if (data->fd < 0) - die ("Could not read bundle '%s'.", transport->url); + 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); @@ -154,7 +154,7 @@ 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, + return unbundle(the_repository, &data->header, data->fd, transport->progress ? BUNDLE_VERBOSE : 0); } @@ -252,8 +252,26 @@ static int connect_setup(struct transport *transport, int for_push) return 0; } -static struct ref *get_refs_via_connect(struct transport *transport, int for_push, - const struct argv_array *ref_prefixes) +static void die_if_server_options(struct transport *transport) +{ + if (!transport->server_options || !transport->server_options->nr) + return; + advise(_("see protocol.version in 'git help config' for more details")); + die(_("server options require protocol version 2 or later")); +} + +/* + * Obtains the protocol version from the transport and writes it to + * transport->data->version, first connecting if not already connected. + * + * If the protocol version is one that allows skipping the listing of remote + * refs, and must_list_refs is 0, the listing of remote refs is skipped and + * this function returns NULL. Otherwise, this function returns the list of + * remote refs. + */ +static struct ref *handshake(struct transport *transport, int for_push, + const struct argv_array *ref_prefixes, + int must_list_refs) { struct git_transport_data *data = transport->data; struct ref *refs = NULL; @@ -263,16 +281,20 @@ static struct ref *get_refs_via_connect(struct transport *transport, int for_pus packet_reader_init(&reader, data->fd[0], NULL, 0, PACKET_READ_CHOMP_NEWLINE | - PACKET_READ_GENTLE_ON_EOF); + PACKET_READ_GENTLE_ON_EOF | + PACKET_READ_DIE_ON_ERR_PACKET); data->version = discover_version(&reader); switch (data->version) { case protocol_v2: - get_remote_refs(data->fd[1], &reader, &refs, for_push, - ref_prefixes, transport->server_options); + if (must_list_refs) + get_remote_refs(data->fd[1], &reader, &refs, for_push, + ref_prefixes, + transport->server_options); break; case protocol_v1: case protocol_v0: + die_if_server_options(transport); get_remote_heads(&reader, &refs, for_push ? REF_NORMAL : 0, &data->extra_have, @@ -283,16 +305,24 @@ static struct ref *get_refs_via_connect(struct transport *transport, int for_pus } data->got_remote_heads = 1; + if (reader.line_peeked) + BUG("buffer must be empty at the end of handshake()"); + return refs; } +static struct ref *get_refs_via_connect(struct transport *transport, int for_push, + const struct argv_array *ref_prefixes) +{ + return handshake(transport, for_push, ref_prefixes, 1); +} + static int fetch_refs_via_pack(struct transport *transport, int nr_heads, struct ref **to_fetch) { int ret = 0; struct git_transport_data *data = transport->data; struct ref *refs = NULL; - char *dest = xstrdup(transport->url); struct fetch_pack_args args; struct ref *refs_tmp = NULL; @@ -318,22 +348,33 @@ static int fetch_refs_via_pack(struct transport *transport, args.filter_options = data->options.filter_options; args.stateless_rpc = transport->stateless_rpc; args.server_options = transport->server_options; - - if (!data->got_remote_heads) - refs_tmp = get_refs_via_connect(transport, 0, NULL); + args.negotiation_tips = data->options.negotiation_tips; + + if (!data->got_remote_heads) { + int i; + int must_list_refs = 0; + for (i = 0; i < nr_heads; i++) { + if (!to_fetch[i]->exact_oid) { + must_list_refs = 1; + break; + } + } + refs_tmp = handshake(transport, 0, NULL, must_list_refs); + } switch (data->version) { case protocol_v2: - refs = fetch_pack(&args, data->fd, data->conn, + refs = fetch_pack(&args, data->fd, refs_tmp ? refs_tmp : transport->remote_refs, - dest, to_fetch, nr_heads, &data->shallow, + to_fetch, nr_heads, &data->shallow, &transport->pack_lockfile, data->version); break; case protocol_v1: case protocol_v0: - refs = fetch_pack(&args, data->fd, data->conn, + die_if_server_options(transport); + refs = fetch_pack(&args, data->fd, refs_tmp ? refs_tmp : transport->remote_refs, - dest, to_fetch, nr_heads, &data->shallow, + to_fetch, nr_heads, &data->shallow, &transport->pack_lockfile, data->version); break; case protocol_unknown_version: @@ -348,6 +389,7 @@ static int fetch_refs_via_pack(struct transport *transport, data->got_remote_heads = 0; data->options.self_contained_and_connected = args.self_contained_and_connected; + data->options.connectivity_checked = args.connectivity_checked; if (refs == NULL) ret = -1; @@ -356,7 +398,6 @@ static int fetch_refs_via_pack(struct transport *transport, free_refs(refs_tmp); free_refs(refs); - free(dest); return ret; } @@ -654,7 +695,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re switch (data->version) { case protocol_v2: - die("support for protocol v2 not implemented yet"); + die(_("support for protocol v2 not implemented yet")); break; case protocol_v1: case protocol_v0: @@ -701,6 +742,7 @@ static int disconnect_git(struct transport *transport) } static struct transport_vtable taken_over_vtable = { + 1, NULL, get_refs_via_connect, fetch_refs_via_pack, @@ -780,7 +822,7 @@ static enum protocol_allow_config parse_protocol_config(const char *key, else if (!strcasecmp(value, "user")) return PROTOCOL_ALLOW_USER_ONLY; - die("unknown value for config '%s': %s", key, value); + die(_("unknown value for config '%s': %s"), key, value); } static enum protocol_allow_config get_protocol_config(const char *type) @@ -846,10 +888,11 @@ int is_transport_allowed(const char *type, int from_user) void transport_check_allowed(const char *type) { if (!is_transport_allowed(type, -1)) - die("transport '%s' not allowed", type); + die(_("transport '%s' not allowed"), type); } static struct transport_vtable bundle_vtable = { + 0, NULL, get_refs_from_bundle, fetch_refs_from_bundle, @@ -859,6 +902,7 @@ static struct transport_vtable bundle_vtable = { }; static struct transport_vtable builtin_smart_vtable = { + 1, NULL, get_refs_via_connect, fetch_refs_via_pack, @@ -875,7 +919,7 @@ struct transport *transport_get(struct remote *remote, const char *url) ret->progress = isatty(2); if (!remote) - die("No remote provided to transport_get()"); + BUG("No remote provided to transport_get()"); ret->got_remote_refs = 0; ret->remote = remote; @@ -898,7 +942,7 @@ struct transport *transport_get(struct remote *remote, const char *url) if (helper) { transport_helper_init(ret, helper); } else if (starts_with(url, "rsync:")) { - die("git-over-rsync is no longer supported"); + 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"); @@ -1026,6 +1070,7 @@ static int run_pre_push_hook(struct transport *transport, proc.argv = argv; proc.in = -1; + proc.trace2_hook_name = "pre-push"; if (start_command(&proc)) { finish_command(&proc); @@ -1070,7 +1115,8 @@ static int run_pre_push_hook(struct transport *transport, return ret; } -int transport_push(struct transport *transport, +int transport_push(struct repository *r, + struct transport *transport, struct refspec *rs, int flags, unsigned int *reject_reasons) { @@ -1137,13 +1183,14 @@ int transport_push(struct transport *transport, oid_array_append(&commits, &ref->new_oid); - if (!push_unpushed_submodules(&commits, + if (!push_unpushed_submodules(r, + &commits, transport->remote, rs, transport->push_options, pretend)) { oid_array_clear(&commits); - die("Failed to push all needed submodules!"); + die(_("failed to push all needed submodules")); } oid_array_clear(&commits); } @@ -1161,8 +1208,10 @@ int transport_push(struct transport *transport, oid_array_append(&commits, &ref->new_oid); - if (find_unpushed_submodules(&commits, transport->remote->name, - &needs_pushing)) { + if (find_unpushed_submodules(r, + &commits, + transport->remote->name, + &needs_pushing)) { oid_array_clear(&commits); die_with_unpushed_submodules(&needs_pushing); } @@ -1222,11 +1271,20 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs) struct ref **heads = NULL; struct ref *rm; + if (!transport->vtable->fetch_without_list) + /* + * Some transports (e.g. the built-in bundle transport and the + * transport helper interface) do not work when fetching is + * done immediately after transport creation. List the remote + * refs anyway (if not already listed) as a workaround. + */ + transport_get_remote_refs(transport, NULL); + for (rm = refs; rm; rm = rm->next) { nr_refs++; if (rm->peer_ref && !is_null_oid(&rm->old_oid) && - !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid)) + oideq(&rm->peer_ref->old_oid, &rm->old_oid)) continue; ALLOC_GROW(heads, nr_heads + 1, nr_alloc); heads[nr_heads++] = rm; @@ -1265,7 +1323,7 @@ int transport_connect(struct transport *transport, const char *name, if (transport->vtable->connect) return transport->vtable->connect(transport, name, exec, fd); else - die("Operation not supported by protocol"); + die(_("operation not supported by protocol")); } int transport_disconnect(struct transport *transport) @@ -1323,6 +1381,33 @@ literal_copy: return xstrdup(url); } +static void fill_alternate_refs_command(struct child_process *cmd, + const char *repo_path) +{ + const char *value; + + if (!git_config_get_value("core.alternateRefsCommand", &value)) { + cmd->use_shell = 1; + + argv_array_push(&cmd->args, value); + argv_array_push(&cmd->args, repo_path); + } else { + cmd->git_cmd = 1; + + argv_array_pushf(&cmd->args, "--git-dir=%s", repo_path); + argv_array_push(&cmd->args, "for-each-ref"); + argv_array_push(&cmd->args, "--format=%(objectname)"); + + if (!git_config_get_value("core.alternateRefsPrefixes", &value)) { + argv_array_push(&cmd->args, "--"); + argv_array_split(&cmd->args, value); + } + } + + cmd->env = local_repo_env; + cmd->out = -1; +} + static void read_alternate_refs(const char *path, alternate_ref_fn *cb, void *data) @@ -1331,12 +1416,7 @@ static void read_alternate_refs(const char *path, struct strbuf line = STRBUF_INIT; FILE *fh; - cmd.git_cmd = 1; - argv_array_pushf(&cmd.args, "--git-dir=%s", path); - argv_array_push(&cmd.args, "for-each-ref"); - argv_array_push(&cmd.args, "--format=%(objectname) %(refname)"); - cmd.env = local_repo_env; - cmd.out = -1; + fill_alternate_refs_command(&cmd, path); if (start_command(&cmd)) return; @@ -1344,15 +1424,15 @@ static void read_alternate_refs(const char *path, fh = xfdopen(cmd.out, "r"); while (strbuf_getline_lf(&line, fh) != EOF) { struct object_id oid; + const char *p; - if (get_oid_hex(line.buf, &oid) || - line.buf[GIT_SHA1_HEXSZ] != ' ') { - warning("invalid line while parsing alternate refs: %s", + if (parse_oid_hex(line.buf, &oid, &p) || *p) { + warning(_("invalid line while parsing alternate refs: %s"), line.buf); break; } - cb(line.buf + GIT_SHA1_HEXSZ + 1, &oid, data); + cb(&oid, data); } fclose(fh); @@ -1364,7 +1444,7 @@ struct alternate_refs_data { void *data; }; -static int refs_from_alternate_cb(struct alternate_object_database *e, +static int refs_from_alternate_cb(struct object_directory *e, void *data) { struct strbuf path = STRBUF_INIT; |