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8f6982b4e1
Introduce protocol_v2, a new value for 'enum protocol_version'. Subsequent patches will fill in the implementation of protocol_v2. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
322 lines
8.1 KiB
C
322 lines
8.1 KiB
C
#include "builtin.h"
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#include "config.h"
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#include "commit.h"
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#include "refs.h"
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#include "pkt-line.h"
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#include "sideband.h"
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#include "run-command.h"
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#include "remote.h"
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#include "connect.h"
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#include "send-pack.h"
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#include "quote.h"
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#include "transport.h"
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#include "version.h"
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#include "sha1-array.h"
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#include "gpg-interface.h"
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#include "gettext.h"
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#include "protocol.h"
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static const char * const send_pack_usage[] = {
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N_("git send-pack [--all | --mirror] [--dry-run] [--force] "
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"[--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] "
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"[<host>:]<directory> [<ref>...]\n"
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" --all and explicit <ref> specification are mutually exclusive."),
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NULL,
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};
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static struct send_pack_args args;
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static void print_helper_status(struct ref *ref)
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{
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struct strbuf buf = STRBUF_INIT;
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for (; ref; ref = ref->next) {
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const char *msg = NULL;
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const char *res;
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switch(ref->status) {
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case REF_STATUS_NONE:
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res = "error";
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msg = "no match";
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break;
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case REF_STATUS_OK:
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res = "ok";
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break;
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case REF_STATUS_UPTODATE:
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res = "ok";
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msg = "up to date";
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break;
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case REF_STATUS_REJECT_NONFASTFORWARD:
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res = "error";
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msg = "non-fast forward";
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break;
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case REF_STATUS_REJECT_FETCH_FIRST:
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res = "error";
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msg = "fetch first";
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break;
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case REF_STATUS_REJECT_NEEDS_FORCE:
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res = "error";
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msg = "needs force";
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break;
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case REF_STATUS_REJECT_STALE:
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res = "error";
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msg = "stale info";
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break;
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case REF_STATUS_REJECT_ALREADY_EXISTS:
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res = "error";
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msg = "already exists";
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break;
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case REF_STATUS_REJECT_NODELETE:
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case REF_STATUS_REMOTE_REJECT:
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res = "error";
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break;
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case REF_STATUS_EXPECTING_REPORT:
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default:
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continue;
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}
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strbuf_reset(&buf);
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strbuf_addf(&buf, "%s %s", res, ref->name);
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if (ref->remote_status)
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msg = ref->remote_status;
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if (msg) {
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strbuf_addch(&buf, ' ');
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quote_two_c_style(&buf, "", msg, 0);
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}
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strbuf_addch(&buf, '\n');
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write_or_die(1, buf.buf, buf.len);
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}
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strbuf_release(&buf);
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}
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static int send_pack_config(const char *k, const char *v, void *cb)
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{
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git_gpg_config(k, v, NULL);
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if (!strcmp(k, "push.gpgsign")) {
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const char *value;
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if (!git_config_get_value("push.gpgsign", &value)) {
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switch (git_parse_maybe_bool(value)) {
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case 0:
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args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
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break;
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case 1:
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args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
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break;
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default:
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if (value && !strcasecmp(value, "if-asked"))
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args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
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else
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return error("Invalid value for '%s'", k);
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}
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}
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}
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return 0;
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}
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int cmd_send_pack(int argc, const char **argv, const char *prefix)
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{
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int i, nr_refspecs = 0;
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const char **refspecs = NULL;
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const char *remote_name = NULL;
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struct remote *remote = NULL;
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const char *dest = NULL;
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int fd[2];
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struct child_process *conn;
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struct oid_array extra_have = OID_ARRAY_INIT;
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struct oid_array shallow = OID_ARRAY_INIT;
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struct ref *remote_refs, *local_refs;
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int ret;
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int helper_status = 0;
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int send_all = 0;
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int verbose = 0;
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const char *receivepack = "git-receive-pack";
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unsigned dry_run = 0;
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unsigned send_mirror = 0;
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unsigned force_update = 0;
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unsigned quiet = 0;
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int push_cert = 0;
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struct string_list push_options = STRING_LIST_INIT_NODUP;
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unsigned use_thin_pack = 0;
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unsigned atomic = 0;
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unsigned stateless_rpc = 0;
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int flags;
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unsigned int reject_reasons;
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int progress = -1;
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int from_stdin = 0;
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struct push_cas_option cas = {0};
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struct packet_reader reader;
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struct option options[] = {
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OPT__VERBOSITY(&verbose),
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OPT_STRING(0, "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
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OPT_STRING(0, "exec", &receivepack, "receive-pack", N_("receive pack program")),
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OPT_STRING(0, "remote", &remote_name, "remote", N_("remote name")),
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OPT_BOOL(0, "all", &send_all, N_("push all refs")),
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OPT_BOOL('n' , "dry-run", &dry_run, N_("dry run")),
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OPT_BOOL(0, "mirror", &send_mirror, N_("mirror all refs")),
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OPT_BOOL('f', "force", &force_update, N_("force updates")),
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{ OPTION_CALLBACK,
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0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
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PARSE_OPT_OPTARG, option_parse_push_signed },
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OPT_STRING_LIST(0, "push-option", &push_options,
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N_("server-specific"),
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N_("option to transmit")),
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OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
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OPT_BOOL(0, "thin", &use_thin_pack, N_("use thin pack")),
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OPT_BOOL(0, "atomic", &atomic, N_("request atomic transaction on remote side")),
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OPT_BOOL(0, "stateless-rpc", &stateless_rpc, N_("use stateless RPC protocol")),
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OPT_BOOL(0, "stdin", &from_stdin, N_("read refs from stdin")),
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OPT_BOOL(0, "helper-status", &helper_status, N_("print status from remote helper")),
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{ OPTION_CALLBACK,
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0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
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N_("require old value of ref to be at this value"),
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PARSE_OPT_OPTARG, parseopt_push_cas_option },
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OPT_END()
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};
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git_config(send_pack_config, NULL);
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argc = parse_options(argc, argv, prefix, options, send_pack_usage, 0);
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if (argc > 0) {
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dest = argv[0];
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refspecs = (const char **)(argv + 1);
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nr_refspecs = argc - 1;
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}
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if (!dest)
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usage_with_options(send_pack_usage, options);
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args.verbose = verbose;
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args.dry_run = dry_run;
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args.send_mirror = send_mirror;
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args.force_update = force_update;
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args.quiet = quiet;
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args.push_cert = push_cert;
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args.progress = progress;
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args.use_thin_pack = use_thin_pack;
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args.atomic = atomic;
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args.stateless_rpc = stateless_rpc;
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args.push_options = push_options.nr ? &push_options : NULL;
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if (from_stdin) {
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struct argv_array all_refspecs = ARGV_ARRAY_INIT;
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for (i = 0; i < nr_refspecs; i++)
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argv_array_push(&all_refspecs, refspecs[i]);
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if (args.stateless_rpc) {
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const char *buf;
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while ((buf = packet_read_line(0, NULL)))
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argv_array_push(&all_refspecs, buf);
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} else {
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struct strbuf line = STRBUF_INIT;
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while (strbuf_getline(&line, stdin) != EOF)
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argv_array_push(&all_refspecs, line.buf);
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strbuf_release(&line);
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}
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refspecs = all_refspecs.argv;
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nr_refspecs = all_refspecs.argc;
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}
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/*
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* --all and --mirror are incompatible; neither makes sense
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* with any refspecs.
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*/
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if ((nr_refspecs > 0 && (send_all || args.send_mirror)) ||
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(send_all && args.send_mirror))
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usage_with_options(send_pack_usage, options);
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if (remote_name) {
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remote = remote_get(remote_name);
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if (!remote_has_url(remote, dest)) {
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die("Destination %s is not a uri for %s",
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dest, remote_name);
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}
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}
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if (progress == -1)
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progress = !args.quiet && isatty(2);
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args.progress = progress;
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if (args.stateless_rpc) {
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conn = NULL;
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fd[0] = 0;
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fd[1] = 1;
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} else {
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conn = git_connect(fd, dest, receivepack,
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args.verbose ? CONNECT_VERBOSE : 0);
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}
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packet_reader_init(&reader, fd[0], NULL, 0,
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PACKET_READ_CHOMP_NEWLINE |
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PACKET_READ_GENTLE_ON_EOF);
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switch (discover_version(&reader)) {
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case protocol_v2:
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die("support for protocol v2 not implemented yet");
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break;
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case protocol_v1:
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case protocol_v0:
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get_remote_heads(&reader, &remote_refs, REF_NORMAL,
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&extra_have, &shallow);
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break;
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case protocol_unknown_version:
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BUG("unknown protocol version");
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}
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transport_verify_remote_names(nr_refspecs, refspecs);
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local_refs = get_local_heads();
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flags = MATCH_REFS_NONE;
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if (send_all)
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flags |= MATCH_REFS_ALL;
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if (args.send_mirror)
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flags |= MATCH_REFS_MIRROR;
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/* match them up */
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if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
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return -1;
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if (!is_empty_cas(&cas))
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apply_push_cas(&cas, remote, remote_refs);
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set_ref_status_for_push(remote_refs, args.send_mirror,
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args.force_update);
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ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
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if (helper_status)
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print_helper_status(remote_refs);
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close(fd[1]);
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close(fd[0]);
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ret |= finish_connect(conn);
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if (!helper_status)
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transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
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if (!args.dry_run && remote) {
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struct ref *ref;
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for (ref = remote_refs; ref; ref = ref->next)
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transport_update_tracking_ref(remote, ref, args.verbose);
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}
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if (!ret && !transport_refs_pushed(remote_refs))
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fprintf(stderr, "Everything up-to-date\n");
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return ret;
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}
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