diff options
Diffstat (limited to 'transport.c')
| -rw-r--r-- | transport.c | 138 |
1 files changed, 110 insertions, 28 deletions
diff --git a/transport.c b/transport.c index 52db7a3..df518ea 100644 --- a/transport.c +++ b/transport.c @@ -1,5 +1,8 @@ -#include "cache.h" +#include "git-compat-util.h" +#include "advice.h" #include "config.h" +#include "environment.h" +#include "hex.h" #include "transport.h" #include "hook.h" #include "pkt-line.h" @@ -7,9 +10,8 @@ #include "remote.h" #include "connect.h" #include "send-pack.h" -#include "walker.h" #include "bundle.h" -#include "dir.h" +#include "gettext.h" #include "refs.h" #include "refspec.h" #include "branch.h" @@ -18,10 +20,12 @@ #include "string-list.h" #include "oid-array.h" #include "sigchain.h" +#include "trace2.h" #include "transport-internal.h" #include "protocol.h" -#include "object-store.h" +#include "object-name.h" #include "color.h" +#include "bundle-uri.h" static int transport_use_color = -1; static char transport_colors[][COLOR_MAXLEN] = { @@ -142,7 +146,7 @@ static void get_refs_from_bundle_inner(struct transport *transport) static struct ref *get_refs_from_bundle(struct transport *transport, int for_push, - struct transport_ls_refs_options *transport_options) + struct transport_ls_refs_options *transport_options UNUSED) { struct bundle_transport_data *data = transport->data; struct ref *result = NULL; @@ -166,7 +170,8 @@ static struct ref *get_refs_from_bundle(struct transport *transport, } static int fetch_refs_from_bundle(struct transport *transport, - int nr_heads, struct ref **to_fetch) + int nr_heads UNUSED, + struct ref **to_fetch UNUSED) { struct bundle_transport_data *data = transport->data; struct strvec extra_index_pack_args = STRVEC_INIT; @@ -178,7 +183,7 @@ static int fetch_refs_from_bundle(struct transport *transport, if (!data->get_refs_from_bundle_called) get_refs_from_bundle_inner(transport); ret = unbundle(the_repository, &data->header, data->fd, - &extra_index_pack_args); + &extra_index_pack_args, 0); transport->hash_algo = data->header.hash_algo; return ret; } @@ -197,7 +202,7 @@ struct git_transport_data { struct git_transport_options options; struct child_process *conn; int fd[2]; - unsigned got_remote_heads : 1; + unsigned finished_handshake : 1; enum protocol_version version; struct oid_array extra_have; struct oid_array shallow; @@ -275,8 +280,12 @@ static int connect_setup(struct transport *transport, int for_push) } data->conn = git_connect(data->fd, transport->url, - for_push ? data->options.receivepack : - data->options.uploadpack, + for_push ? + "git-receive-pack" : + "git-upload-pack", + for_push ? + data->options.receivepack : + data->options.uploadpack, flags); return 0; @@ -306,7 +315,7 @@ static struct ref *handshake(struct transport *transport, int for_push, struct git_transport_data *data = transport->data; struct ref *refs = NULL; struct packet_reader reader; - int sid_len; + size_t sid_len; const char *server_sid; connect_setup(transport, for_push); @@ -344,7 +353,7 @@ static struct ref *handshake(struct transport *transport, int for_push, case protocol_unknown_version: BUG("unknown protocol version"); } - data->got_remote_heads = 1; + data->finished_handshake = 1; transport->hash_algo = reader.hash_algo; if (reader.line_peeked) @@ -359,6 +368,39 @@ static struct ref *get_refs_via_connect(struct transport *transport, int for_pus return handshake(transport, for_push, options, 1); } +static int get_bundle_uri(struct transport *transport) +{ + struct git_transport_data *data = transport->data; + struct packet_reader reader; + int stateless_rpc = transport->stateless_rpc; + + if (!transport->bundles) { + CALLOC_ARRAY(transport->bundles, 1); + init_bundle_list(transport->bundles); + } + + if (!data->finished_handshake) { + struct ref *refs = handshake(transport, 0, NULL, 0); + + if (refs) + free_refs(refs); + } + + /* + * "Support" protocol v0 and v2 without bundle-uri support by + * silently degrading to a NOOP. + */ + if (!server_supports_v2("bundle-uri")) + return 0; + + packet_reader_init(&reader, data->fd[0], NULL, 0, + PACKET_READ_CHOMP_NEWLINE | + PACKET_READ_GENTLE_ON_EOF); + + return get_remote_bundle_uri(data->fd[1], &reader, + transport->bundles, stateless_rpc); +} + static int fetch_refs_via_pack(struct transport *transport, int nr_heads, struct ref **to_fetch) { @@ -386,14 +428,15 @@ static int fetch_refs_via_pack(struct transport *transport, args.cloning = transport->cloning; args.update_shallow = data->options.update_shallow; args.from_promisor = data->options.from_promisor; - args.filter_options = data->options.filter_options; + list_objects_filter_copy(&args.filter_options, + &data->options.filter_options); args.refetch = data->options.refetch; args.stateless_rpc = transport->stateless_rpc; args.server_options = transport->server_options; args.negotiation_tips = data->options.negotiation_tips; args.reject_shallow_remote = transport->smart_options->reject_shallow; - if (!data->got_remote_heads) { + if (!data->finished_handshake) { int i; int must_list_refs = 0; for (i = 0; i < nr_heads; i++) { @@ -433,7 +476,7 @@ static int fetch_refs_via_pack(struct transport *transport, to_fetch, nr_heads, &data->shallow, &transport->pack_lockfiles, data->version); - data->got_remote_heads = 0; + data->finished_handshake = 0; data->options.self_contained_and_connected = args.self_contained_and_connected; data->options.connectivity_checked = args.connectivity_checked; @@ -453,6 +496,7 @@ cleanup: free_refs(refs_tmp); free_refs(refs); + list_objects_filter_release(&args.filter_options); return ret; } @@ -740,7 +784,8 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count, static int measure_abbrev(const struct object_id *oid, int sofar) { char hex[GIT_MAX_HEXSZ + 1]; - int w = find_unique_abbrev_r(hex, oid, DEFAULT_ABBREV); + int w = repo_find_unique_abbrev_r(the_repository, hex, oid, + DEFAULT_ABBREV); return (w < sofar) ? sofar : w; } @@ -817,7 +862,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re if (transport_color_config() < 0) return -1; - if (!data->got_remote_heads) + if (!data->finished_handshake) get_refs_via_connect(transport, 1, NULL); memset(&args, 0, sizeof(args)); @@ -865,7 +910,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re else ret = finish_connect(data->conn); data->conn = NULL; - data->got_remote_heads = 0; + data->finished_handshake = 0; return ret; } @@ -875,7 +920,7 @@ static int connect_git(struct transport *transport, const char *name, { struct git_transport_data *data = transport->data; data->conn = git_connect(data->fd, transport->url, - executable, 0); + name, executable, 0); fd[0] = data->fd[0]; fd[1] = data->fd[1]; return 0; @@ -885,7 +930,7 @@ static int disconnect_git(struct transport *transport) { struct git_transport_data *data = transport->data; if (data->conn) { - if (data->got_remote_heads && !transport->stateless_rpc) + if (data->finished_handshake && !transport->stateless_rpc) packet_flush(data->fd[1]); close(data->fd[0]); if (data->fd[1] >= 0) @@ -893,12 +938,14 @@ static int disconnect_git(struct transport *transport) finish_connect(data->conn); } + list_objects_filter_release(&data->options.filter_options); free(data); return 0; } static struct transport_vtable taken_over_vtable = { .get_refs_list = get_refs_via_connect, + .get_bundle_uri = get_bundle_uri, .fetch_refs = fetch_refs_via_pack, .push_refs = git_transport_push, .disconnect = disconnect_git @@ -918,7 +965,7 @@ void transport_take_over(struct transport *transport, data->conn = child; data->fd[0] = data->conn->out; data->fd[1] = data->conn->in; - data->got_remote_heads = 0; + data->finished_handshake = 0; transport->data = data; transport->vtable = &taken_over_vtable; @@ -940,7 +987,7 @@ static int external_specification_len(const char *url) return strchr(url, ':') - url; } -static const struct string_list *protocol_whitelist(void) +static const struct string_list *protocol_allow_list(void) { static int enabled = -1; static struct string_list allowed = STRING_LIST_INIT_DUP; @@ -1006,8 +1053,7 @@ static enum protocol_allow_config get_protocol_config(const char *type) if (!strcmp(type, "http") || !strcmp(type, "https") || !strcmp(type, "git") || - !strcmp(type, "ssh") || - !strcmp(type, "file")) + !strcmp(type, "ssh")) return PROTOCOL_ALLOW_ALWAYS; /* known scary; err on the side of caution */ @@ -1020,9 +1066,9 @@ static enum protocol_allow_config get_protocol_config(const char *type) int is_transport_allowed(const char *type, int from_user) { - const struct string_list *whitelist = protocol_whitelist(); - if (whitelist) - return string_list_has_string(whitelist, type); + const struct string_list *allow_list = protocol_allow_list(); + if (allow_list) + return string_list_has_string(allow_list, type); switch (get_protocol_config(type)) { case PROTOCOL_ALLOW_ALWAYS: @@ -1052,6 +1098,7 @@ static struct transport_vtable bundle_vtable = { static struct transport_vtable builtin_smart_vtable = { .get_refs_list = get_refs_via_connect, + .get_bundle_uri = get_bundle_uri, .fetch_refs = fetch_refs_via_pack, .push_refs = git_transport_push, .connect = connect_git, @@ -1066,6 +1113,9 @@ struct transport *transport_get(struct remote *remote, const char *url) ret->progress = isatty(2); string_list_init_dup(&ret->pack_lockfiles); + CALLOC_ARRAY(ret->bundles, 1); + init_bundle_list(ret->bundles); + if (!remote) BUG("No remote provided to transport_get()"); @@ -1110,12 +1160,13 @@ struct transport *transport_get(struct remote *remote, const char *url) * will be checked individually in git_connect. */ struct git_transport_data *data = xcalloc(1, sizeof(*data)); + list_objects_filter_init(&data->options.filter_options); ret->data = data; ret->vtable = &builtin_smart_vtable; ret->smart_options = &(data->options); data->conn = NULL; - data->got_remote_heads = 0; + data->finished_handshake = 0; } else { /* Unknown protocol in URL. Pass to external handler. */ int len = external_specification_len(url); @@ -1416,6 +1467,7 @@ int transport_push(struct repository *r, if (porcelain && !push_ret) puts("Done"); else if (!quiet && !ret && !transport_refs_pushed(remote_refs)) + /* stable plumbing output; do not modify or localize */ fprintf(stderr, "Everything up-to-date\n"); done: @@ -1479,6 +1531,34 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs) return rc; } +int transport_get_remote_bundle_uri(struct transport *transport) +{ + int value = 0; + const struct transport_vtable *vtable = transport->vtable; + + /* Check config only once. */ + if (transport->got_remote_bundle_uri) + return 0; + transport->got_remote_bundle_uri = 1; + + /* + * Don't request bundle-uri from the server unless configured to + * do so by the transfer.bundleURI=true config option. + */ + if (git_config_get_bool("transfer.bundleuri", &value) || !value) + return 0; + + if (!transport->bundles->baseURI) + transport->bundles->baseURI = xstrdup(transport->url); + + if (!vtable->get_bundle_uri) + return error(_("bundle-uri operation not supported by protocol")); + + if (vtable->get_bundle_uri(transport) < 0) + return error(_("could not retrieve server-advertised bundle-uri list")); + return 0; +} + void transport_unlock_pack(struct transport *transport, unsigned int flags) { int in_signal_handler = !!(flags & TRANSPORT_UNLOCK_PACK_IN_SIGNAL_HANDLER); @@ -1509,6 +1589,8 @@ int transport_disconnect(struct transport *transport) ret = transport->vtable->disconnect(transport); if (transport->got_remote_refs) free_refs((void *)transport->remote_refs); + clear_bundle_list(transport->bundles); + free(transport->bundles); free(transport); return ret; } |