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author | Junio C Hamano <gitster@pobox.com> | 2018-04-24 11:24:22 +0900 |
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committer | Junio C Hamano <gitster@pobox.com> | 2018-04-24 11:24:22 +0900 |
commit | bbc39d4020372a0bf8aa399c7550ba58312adfa1 (patch) | |
tree | cd73306b4e1965ede84e883816b9aac6de42d105 /transport.c | |
parent | fe0a9eaf31dd0c349ae4308498c33a5c3794b293 (diff) | |
parent | a4d78ce26bf4816d868be21c7355d0e0940460a7 (diff) | |
download | git-bbc39d4020372a0bf8aa399c7550ba58312adfa1.tar.gz |
Merge branch 'bw/protocol-v2' into HEAD
* bw/protocol-v2: (35 commits)
remote-curl: don't request v2 when pushing
remote-curl: implement stateless-connect command
http: eliminate "# service" line when using protocol v2
http: don't always add Git-Protocol header
http: allow providing extra headers for http requests
remote-curl: store the protocol version the server responded with
remote-curl: create copy of the service name
pkt-line: add packet_buf_write_len function
transport-helper: introduce stateless-connect
transport-helper: refactor process_connect_service
transport-helper: remove name parameter
connect: don't request v2 when pushing
connect: refactor git_connect to only get the protocol version once
fetch-pack: support shallow requests
fetch-pack: perform a fetch using v2
upload-pack: introduce fetch server command
push: pass ref prefixes when pushing
fetch: pass ref prefixes when fetching
ls-remote: pass ref prefixes when requesting a remote's refs
transport: convert transport_get_remote_refs to take a list of ref prefixes
...
Diffstat (limited to 'transport.c')
-rw-r--r-- | transport.c | 130 |
1 files changed, 99 insertions, 31 deletions
diff --git a/transport.c b/transport.c index 94eccf29aa..16b2f54f22 100644 --- a/transport.c +++ b/transport.c @@ -18,6 +18,7 @@ #include "sha1-array.h" #include "sigchain.h" #include "transport-internal.h" +#include "protocol.h" #include "object-store.h" static void set_upstreams(struct transport *transport, struct ref *refs, @@ -72,7 +73,9 @@ struct bundle_transport_data { struct bundle_header header; }; -static struct ref *get_refs_from_bundle(struct transport *transport, int for_push) +static struct ref *get_refs_from_bundle(struct transport *transport, + int for_push, + const struct argv_array *ref_prefixes) { struct bundle_transport_data *data = transport->data; struct ref *result = NULL; @@ -118,6 +121,7 @@ struct git_transport_data { struct child_process *conn; int fd[2]; unsigned got_remote_heads : 1; + enum protocol_version version; struct oid_array extra_have; struct oid_array shallow; }; @@ -197,16 +201,35 @@ 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) +static struct ref *get_refs_via_connect(struct transport *transport, int for_push, + const struct argv_array *ref_prefixes) { struct git_transport_data *data = transport->data; - struct ref *refs; + struct ref *refs = NULL; + struct packet_reader reader; connect_setup(transport, for_push); - get_remote_heads(data->fd[0], NULL, 0, &refs, - for_push ? REF_NORMAL : 0, - &data->extra_have, - &data->shallow); + + packet_reader_init(&reader, data->fd[0], NULL, 0, + PACKET_READ_CHOMP_NEWLINE | + PACKET_READ_GENTLE_ON_EOF); + + data->version = discover_version(&reader); + switch (data->version) { + case protocol_v2: + get_remote_refs(data->fd[1], &reader, &refs, for_push, + ref_prefixes); + break; + case protocol_v1: + case protocol_v0: + get_remote_heads(&reader, &refs, + for_push ? REF_NORMAL : 0, + &data->extra_have, + &data->shallow); + break; + case protocol_unknown_version: + BUG("unknown protocol version"); + } data->got_remote_heads = 1; return refs; @@ -217,7 +240,7 @@ static int fetch_refs_via_pack(struct transport *transport, { int ret = 0; struct git_transport_data *data = transport->data; - struct ref *refs; + struct ref *refs = NULL; char *dest = xstrdup(transport->url); struct fetch_pack_args args; struct ref *refs_tmp = NULL; @@ -242,18 +265,29 @@ static int fetch_refs_via_pack(struct transport *transport, args.from_promisor = data->options.from_promisor; args.no_dependents = data->options.no_dependents; args.filter_options = data->options.filter_options; + args.stateless_rpc = transport->stateless_rpc; - if (!data->got_remote_heads) { - connect_setup(transport, 0); - get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0, - NULL, &data->shallow); - data->got_remote_heads = 1; + if (!data->got_remote_heads) + refs_tmp = get_refs_via_connect(transport, 0, NULL); + + switch (data->version) { + case protocol_v2: + refs = fetch_pack(&args, data->fd, data->conn, + refs_tmp ? refs_tmp : transport->remote_refs, + dest, 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, + refs_tmp ? refs_tmp : transport->remote_refs, + dest, to_fetch, nr_heads, &data->shallow, + &transport->pack_lockfile, data->version); + break; + case protocol_unknown_version: + BUG("unknown protocol version"); } - refs = fetch_pack(&args, data->fd, data->conn, - refs_tmp ? refs_tmp : transport->remote_refs, - dest, to_fetch, nr_heads, &data->shallow, - &transport->pack_lockfile); close(data->fd[0]); close(data->fd[1]); if (finish_connect(data->conn)) @@ -552,16 +586,10 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re { 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); + int ret = 0; - get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL, - NULL, &data->shallow); - data->got_remote_heads = 1; - } + if (!data->got_remote_heads) + get_refs_via_connect(transport, 1, NULL); memset(&args, 0, sizeof(args)); args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR); @@ -583,8 +611,18 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re else args.push_cert = SEND_PACK_PUSH_CERT_NEVER; - ret = send_pack(&args, data->fd, data->conn, remote_refs, - &data->extra_have); + switch (data->version) { + case protocol_v2: + die("support for protocol v2 not implemented yet"); + break; + case protocol_v1: + case protocol_v0: + ret = send_pack(&args, data->fd, data->conn, remote_refs, + &data->extra_have); + break; + case protocol_unknown_version: + BUG("unknown protocol version"); + } close(data->fd[1]); close(data->fd[0]); @@ -1007,11 +1045,38 @@ int transport_push(struct transport *transport, int porcelain = flags & TRANSPORT_PUSH_PORCELAIN; int pretend = flags & TRANSPORT_PUSH_DRY_RUN; int push_ret, ret, err; + struct refspec *tmp_rs; + struct argv_array ref_prefixes = ARGV_ARRAY_INIT; + int i; if (check_push_refs(local_refs, refspec_nr, refspec) < 0) return -1; - remote_refs = transport->vtable->get_refs_list(transport, 1); + tmp_rs = parse_push_refspec(refspec_nr, refspec); + for (i = 0; i < refspec_nr; i++) { + const char *prefix = NULL; + + if (tmp_rs[i].dst) + prefix = tmp_rs[i].dst; + else if (tmp_rs[i].src && !tmp_rs[i].exact_sha1) + prefix = tmp_rs[i].src; + + if (prefix) { + const char *glob = strchr(prefix, '*'); + if (glob) + argv_array_pushf(&ref_prefixes, "%.*s", + (int)(glob - prefix), + prefix); + else + expand_ref_prefix(&ref_prefixes, prefix); + } + } + + remote_refs = transport->vtable->get_refs_list(transport, 1, + &ref_prefixes); + + argv_array_clear(&ref_prefixes); + free_refspec(refspec_nr, tmp_rs); if (flags & TRANSPORT_PUSH_ALL) match_flags |= MATCH_REFS_ALL; @@ -1117,10 +1182,13 @@ int transport_push(struct transport *transport, return 1; } -const struct ref *transport_get_remote_refs(struct transport *transport) +const struct ref *transport_get_remote_refs(struct transport *transport, + const struct argv_array *ref_prefixes) { if (!transport->got_remote_refs) { - transport->remote_refs = transport->vtable->get_refs_list(transport, 0); + transport->remote_refs = + transport->vtable->get_refs_list(transport, 0, + ref_prefixes); transport->got_remote_refs = 1; } |