Andrew's git - gitweb.git/blob - builtin/send-pack.c

   1#include "builtin.h"
   2#include "config.h"
   3#include "commit.h"
   4#include "refs.h"
   5#include "pkt-line.h"
   6#include "sideband.h"
   7#include "run-command.h"
   8#include "remote.h"
   9#include "connect.h"
  10#include "send-pack.h"
  11#include "quote.h"
  12#include "transport.h"
  13#include "version.h"
  14#include "sha1-array.h"
  15#include "gpg-interface.h"
  16#include "gettext.h"
  17
  18static const char * const send_pack_usage[] = {
  19        N_("git send-pack [--all | --mirror] [--dry-run] [--force] "
  20          "[--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] "
  21          "[<host>:]<directory> [<ref>...]\n"
  22          "  --all and explicit <ref> specification are mutually exclusive."),
  23        NULL,
  24};
  25
  26static struct send_pack_args args;
  27
  28static void print_helper_status(struct ref *ref)
  29{
  30        struct strbuf buf = STRBUF_INIT;
  31
  32        for (; ref; ref = ref->next) {
  33                const char *msg = NULL;
  34                const char *res;
  35
  36                switch(ref->status) {
  37                case REF_STATUS_NONE:
  38                        res = "error";
  39                        msg = "no match";
  40                        break;
  41
  42                case REF_STATUS_OK:
  43                        res = "ok";
  44                        break;
  45
  46                case REF_STATUS_UPTODATE:
  47                        res = "ok";
  48                        msg = "up to date";
  49                        break;
  50
  51                case REF_STATUS_REJECT_NONFASTFORWARD:
  52                        res = "error";
  53                        msg = "non-fast forward";
  54                        break;
  55
  56                case REF_STATUS_REJECT_FETCH_FIRST:
  57                        res = "error";
  58                        msg = "fetch first";
  59                        break;
  60
  61                case REF_STATUS_REJECT_NEEDS_FORCE:
  62                        res = "error";
  63                        msg = "needs force";
  64                        break;
  65
  66                case REF_STATUS_REJECT_STALE:
  67                        res = "error";
  68                        msg = "stale info";
  69                        break;
  70
  71                case REF_STATUS_REJECT_ALREADY_EXISTS:
  72                        res = "error";
  73                        msg = "already exists";
  74                        break;
  75
  76                case REF_STATUS_REJECT_NODELETE:
  77                case REF_STATUS_REMOTE_REJECT:
  78                        res = "error";
  79                        break;
  80
  81                case REF_STATUS_EXPECTING_REPORT:
  82                default:
  83                        continue;
  84                }
  85
  86                strbuf_reset(&buf);
  87                strbuf_addf(&buf, "%s %s", res, ref->name);
  88                if (ref->remote_status)
  89                        msg = ref->remote_status;
  90                if (msg) {
  91                        strbuf_addch(&buf, ' ');
  92                        quote_two_c_style(&buf, "", msg, 0);
  93                }
  94                strbuf_addch(&buf, '\n');
  95
  96                write_or_die(1, buf.buf, buf.len);
  97        }
  98        strbuf_release(&buf);
  99}
 100
 101static int send_pack_config(const char *k, const char *v, void *cb)
 102{
 103        git_gpg_config(k, v, NULL);
 104
 105        if (!strcmp(k, "push.gpgsign")) {
 106                const char *value;
 107                if (!git_config_get_value("push.gpgsign", &value)) {
 108                        switch (git_parse_maybe_bool(value)) {
 109                        case 0:
 110                                args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
 111                                break;
 112                        case 1:
 113                                args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
 114                                break;
 115                        default:
 116                                if (value && !strcasecmp(value, "if-asked"))
 117                                        args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
 118                                else
 119                                        return error("Invalid value for '%s'", k);
 120                        }
 121                }
 122        }
 123        return 0;
 124}
 125
 126int cmd_send_pack(int argc, const char **argv, const char *prefix)
 127{
 128        int i, nr_refspecs = 0;
 129        const char **refspecs = NULL;
 130        const char *remote_name = NULL;
 131        struct remote *remote = NULL;
 132        const char *dest = NULL;
 133        int fd[2];
 134        struct child_process *conn;
 135        struct oid_array extra_have = OID_ARRAY_INIT;
 136        struct oid_array shallow = OID_ARRAY_INIT;
 137        struct ref *remote_refs, *local_refs;
 138        int ret;
 139        int helper_status = 0;
 140        int send_all = 0;
 141        int verbose = 0;
 142        const char *receivepack = "git-receive-pack";
 143        unsigned dry_run = 0;
 144        unsigned send_mirror = 0;
 145        unsigned force_update = 0;
 146        unsigned quiet = 0;
 147        int push_cert = 0;
 148        struct string_list push_options = STRING_LIST_INIT_NODUP;
 149        unsigned use_thin_pack = 0;
 150        unsigned atomic = 0;
 151        unsigned stateless_rpc = 0;
 152        int flags;
 153        unsigned int reject_reasons;
 154        int progress = -1;
 155        int from_stdin = 0;
 156        struct push_cas_option cas = {0};
 157
 158        struct option options[] = {
 159                OPT__VERBOSITY(&verbose),
 160                OPT_STRING(0, "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
 161                OPT_STRING(0, "exec", &receivepack, "receive-pack", N_("receive pack program")),
 162                OPT_STRING(0, "remote", &remote_name, "remote", N_("remote name")),
 163                OPT_BOOL(0, "all", &send_all, N_("push all refs")),
 164                OPT_BOOL('n' , "dry-run", &dry_run, N_("dry run")),
 165                OPT_BOOL(0, "mirror", &send_mirror, N_("mirror all refs")),
 166                OPT_BOOL('f', "force", &force_update, N_("force updates")),
 167                { OPTION_CALLBACK,
 168                  0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
 169                  PARSE_OPT_OPTARG, option_parse_push_signed },
 170                OPT_STRING_LIST(0, "push-option", &push_options,
 171                                N_("server-specific"),
 172                                N_("option to transmit")),
 173                OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
 174                OPT_BOOL(0, "thin", &use_thin_pack, N_("use thin pack")),
 175                OPT_BOOL(0, "atomic", &atomic, N_("request atomic transaction on remote side")),
 176                OPT_BOOL(0, "stateless-rpc", &stateless_rpc, N_("use stateless RPC protocol")),
 177                OPT_BOOL(0, "stdin", &from_stdin, N_("read refs from stdin")),
 178                OPT_BOOL(0, "helper-status", &helper_status, N_("print status from remote helper")),
 179                { OPTION_CALLBACK,
 180                  0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
 181                  N_("require old value of ref to be at this value"),
 182                  PARSE_OPT_OPTARG, parseopt_push_cas_option },
 183                OPT_END()
 184        };
 185
 186        git_config(send_pack_config, NULL);
 187        argc = parse_options(argc, argv, prefix, options, send_pack_usage, 0);
 188        if (argc > 0) {
 189                dest = argv[0];
 190                refspecs = (const char **)(argv + 1);
 191                nr_refspecs = argc - 1;
 192        }
 193
 194        if (!dest)
 195                usage_with_options(send_pack_usage, options);
 196
 197        args.verbose = verbose;
 198        args.dry_run = dry_run;
 199        args.send_mirror = send_mirror;
 200        args.force_update = force_update;
 201        args.quiet = quiet;
 202        args.push_cert = push_cert;
 203        args.progress = progress;
 204        args.use_thin_pack = use_thin_pack;
 205        args.atomic = atomic;
 206        args.stateless_rpc = stateless_rpc;
 207        args.push_options = push_options.nr ? &push_options : NULL;
 208
 209        if (from_stdin) {
 210                struct argv_array all_refspecs = ARGV_ARRAY_INIT;
 211
 212                for (i = 0; i < nr_refspecs; i++)
 213                        argv_array_push(&all_refspecs, refspecs[i]);
 214
 215                if (args.stateless_rpc) {
 216                        const char *buf;
 217                        while ((buf = packet_read_line(0, NULL)))
 218                                argv_array_push(&all_refspecs, buf);
 219                } else {
 220                        struct strbuf line = STRBUF_INIT;
 221                        while (strbuf_getline(&line, stdin) != EOF)
 222                                argv_array_push(&all_refspecs, line.buf);
 223                        strbuf_release(&line);
 224                }
 225
 226                refspecs = all_refspecs.argv;
 227                nr_refspecs = all_refspecs.argc;
 228        }
 229
 230        /*
 231         * --all and --mirror are incompatible; neither makes sense
 232         * with any refspecs.
 233         */
 234        if ((nr_refspecs > 0 && (send_all || args.send_mirror)) ||
 235            (send_all && args.send_mirror))
 236                usage_with_options(send_pack_usage, options);
 237
 238        if (remote_name) {
 239                remote = remote_get(remote_name);
 240                if (!remote_has_url(remote, dest)) {
 241                        die("Destination %s is not a uri for %s",
 242                            dest, remote_name);
 243                }
 244        }
 245
 246        if (progress == -1)
 247                progress = !args.quiet && isatty(2);
 248        args.progress = progress;
 249
 250        if (args.stateless_rpc) {
 251                conn = NULL;
 252                fd[0] = 0;
 253                fd[1] = 1;
 254        } else {
 255                conn = git_connect(fd, dest, receivepack,
 256                        args.verbose ? CONNECT_VERBOSE : 0);
 257        }
 258
 259        get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
 260                         &extra_have, &shallow);
 261
 262        transport_verify_remote_names(nr_refspecs, refspecs);
 263
 264        local_refs = get_local_heads();
 265
 266        flags = MATCH_REFS_NONE;
 267
 268        if (send_all)
 269                flags |= MATCH_REFS_ALL;
 270        if (args.send_mirror)
 271                flags |= MATCH_REFS_MIRROR;
 272
 273        /* match them up */
 274        if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 275                return -1;
 276
 277        if (!is_empty_cas(&cas))
 278                apply_push_cas(&cas, remote, remote_refs);
 279
 280        set_ref_status_for_push(remote_refs, args.send_mirror,
 281                args.force_update);
 282
 283        ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 284
 285        if (helper_status)
 286                print_helper_status(remote_refs);
 287
 288        close(fd[1]);
 289        close(fd[0]);
 290
 291        ret |= finish_connect(conn);
 292
 293        if (!helper_status)
 294                transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 295
 296        if (!args.dry_run && remote) {
 297                struct ref *ref;
 298                for (ref = remote_refs; ref; ref = ref->next)
 299                        transport_update_tracking_ref(remote, ref, args.verbose);
 300        }
 301
 302        if (!ret && !transport_refs_pushed(remote_refs))
 303                fprintf(stderr, "Everything up-to-date\n");
 304
 305        return ret;
 306}