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

   1#include "builtin.h"
   2#include "commit.h"
   3#include "refs.h"
   4#include "pkt-line.h"
   5#include "sideband.h"
   6#include "run-command.h"
   7#include "remote.h"
   8#include "connect.h"
   9#include "send-pack.h"
  10#include "quote.h"
  11#include "transport.h"
  12#include "version.h"
  13#include "sha1-array.h"
  14#include "gpg-interface.h"
  15
  16static const char send_pack_usage[] =
  17"git send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] [<host>:]<directory> [<ref>...]\n"
  18"  --all and explicit <ref> specification are mutually exclusive.";
  19
  20static struct send_pack_args args;
  21
  22static void print_helper_status(struct ref *ref)
  23{
  24        struct strbuf buf = STRBUF_INIT;
  25
  26        for (; ref; ref = ref->next) {
  27                const char *msg = NULL;
  28                const char *res;
  29
  30                switch(ref->status) {
  31                case REF_STATUS_NONE:
  32                        res = "error";
  33                        msg = "no match";
  34                        break;
  35
  36                case REF_STATUS_OK:
  37                        res = "ok";
  38                        break;
  39
  40                case REF_STATUS_UPTODATE:
  41                        res = "ok";
  42                        msg = "up to date";
  43                        break;
  44
  45                case REF_STATUS_REJECT_NONFASTFORWARD:
  46                        res = "error";
  47                        msg = "non-fast forward";
  48                        break;
  49
  50                case REF_STATUS_REJECT_FETCH_FIRST:
  51                        res = "error";
  52                        msg = "fetch first";
  53                        break;
  54
  55                case REF_STATUS_REJECT_NEEDS_FORCE:
  56                        res = "error";
  57                        msg = "needs force";
  58                        break;
  59
  60                case REF_STATUS_REJECT_STALE:
  61                        res = "error";
  62                        msg = "stale info";
  63                        break;
  64
  65                case REF_STATUS_REJECT_ALREADY_EXISTS:
  66                        res = "error";
  67                        msg = "already exists";
  68                        break;
  69
  70                case REF_STATUS_REJECT_NODELETE:
  71                case REF_STATUS_REMOTE_REJECT:
  72                        res = "error";
  73                        break;
  74
  75                case REF_STATUS_EXPECTING_REPORT:
  76                default:
  77                        continue;
  78                }
  79
  80                strbuf_reset(&buf);
  81                strbuf_addf(&buf, "%s %s", res, ref->name);
  82                if (ref->remote_status)
  83                        msg = ref->remote_status;
  84                if (msg) {
  85                        strbuf_addch(&buf, ' ');
  86                        quote_two_c_style(&buf, "", msg, 0);
  87                }
  88                strbuf_addch(&buf, '\n');
  89
  90                write_or_die(1, buf.buf, buf.len);
  91        }
  92        strbuf_release(&buf);
  93}
  94
  95int cmd_send_pack(int argc, const char **argv, const char *prefix)
  96{
  97        int i, nr_refspecs = 0;
  98        const char **refspecs = NULL;
  99        const char *remote_name = NULL;
 100        struct remote *remote = NULL;
 101        const char *dest = NULL;
 102        int fd[2];
 103        struct child_process *conn;
 104        struct sha1_array extra_have = SHA1_ARRAY_INIT;
 105        struct sha1_array shallow = SHA1_ARRAY_INIT;
 106        struct ref *remote_refs, *local_refs;
 107        int ret;
 108        int helper_status = 0;
 109        int send_all = 0;
 110        const char *receivepack = "git-receive-pack";
 111        int flags;
 112        unsigned int reject_reasons;
 113        int progress = -1;
 114        int from_stdin = 0;
 115        struct push_cas_option cas = {0};
 116
 117        git_config(git_gpg_config, NULL);
 118
 119        argv++;
 120        for (i = 1; i < argc; i++, argv++) {
 121                const char *arg = *argv;
 122
 123                if (*arg == '-') {
 124                        if (starts_with(arg, "--receive-pack=")) {
 125                                receivepack = arg + 15;
 126                                continue;
 127                        }
 128                        if (starts_with(arg, "--exec=")) {
 129                                receivepack = arg + 7;
 130                                continue;
 131                        }
 132                        if (starts_with(arg, "--remote=")) {
 133                                remote_name = arg + 9;
 134                                continue;
 135                        }
 136                        if (!strcmp(arg, "--all")) {
 137                                send_all = 1;
 138                                continue;
 139                        }
 140                        if (!strcmp(arg, "--dry-run")) {
 141                                args.dry_run = 1;
 142                                continue;
 143                        }
 144                        if (!strcmp(arg, "--mirror")) {
 145                                args.send_mirror = 1;
 146                                continue;
 147                        }
 148                        if (!strcmp(arg, "--force")) {
 149                                args.force_update = 1;
 150                                continue;
 151                        }
 152                        if (!strcmp(arg, "--quiet")) {
 153                                args.quiet = 1;
 154                                continue;
 155                        }
 156                        if (!strcmp(arg, "--verbose")) {
 157                                args.verbose = 1;
 158                                continue;
 159                        }
 160                        if (!strcmp(arg, "--signed")) {
 161                                args.push_cert = 1;
 162                                continue;
 163                        }
 164                        if (!strcmp(arg, "--progress")) {
 165                                progress = 1;
 166                                continue;
 167                        }
 168                        if (!strcmp(arg, "--no-progress")) {
 169                                progress = 0;
 170                                continue;
 171                        }
 172                        if (!strcmp(arg, "--thin")) {
 173                                args.use_thin_pack = 1;
 174                                continue;
 175                        }
 176                        if (!strcmp(arg, "--atomic")) {
 177                                args.atomic = 1;
 178                                continue;
 179                        }
 180                        if (!strcmp(arg, "--stateless-rpc")) {
 181                                args.stateless_rpc = 1;
 182                                continue;
 183                        }
 184                        if (!strcmp(arg, "--stdin")) {
 185                                from_stdin = 1;
 186                                continue;
 187                        }
 188                        if (!strcmp(arg, "--helper-status")) {
 189                                helper_status = 1;
 190                                continue;
 191                        }
 192                        if (!strcmp(arg, "--" CAS_OPT_NAME)) {
 193                                if (parse_push_cas_option(&cas, NULL, 0) < 0)
 194                                        exit(1);
 195                                continue;
 196                        }
 197                        if (!strcmp(arg, "--no-" CAS_OPT_NAME)) {
 198                                if (parse_push_cas_option(&cas, NULL, 1) < 0)
 199                                        exit(1);
 200                                continue;
 201                        }
 202                        if (starts_with(arg, "--" CAS_OPT_NAME "=")) {
 203                                if (parse_push_cas_option(&cas,
 204                                                          strchr(arg, '=') + 1, 0) < 0)
 205                                        exit(1);
 206                                continue;
 207                        }
 208                        usage(send_pack_usage);
 209                }
 210                if (!dest) {
 211                        dest = arg;
 212                        continue;
 213                }
 214                refspecs = (const char **) argv;
 215                nr_refspecs = argc - i;
 216                break;
 217        }
 218        if (!dest)
 219                usage(send_pack_usage);
 220
 221        if (from_stdin) {
 222                struct argv_array all_refspecs = ARGV_ARRAY_INIT;
 223
 224                for (i = 0; i < nr_refspecs; i++)
 225                        argv_array_push(&all_refspecs, refspecs[i]);
 226
 227                if (args.stateless_rpc) {
 228                        const char *buf;
 229                        while ((buf = packet_read_line(0, NULL)))
 230                                argv_array_push(&all_refspecs, buf);
 231                } else {
 232                        struct strbuf line = STRBUF_INIT;
 233                        while (strbuf_getline(&line, stdin, '\n') != EOF)
 234                                argv_array_push(&all_refspecs, line.buf);
 235                        strbuf_release(&line);
 236                }
 237
 238                refspecs = all_refspecs.argv;
 239                nr_refspecs = all_refspecs.argc;
 240        }
 241
 242        /*
 243         * --all and --mirror are incompatible; neither makes sense
 244         * with any refspecs.
 245         */
 246        if ((refspecs && (send_all || args.send_mirror)) ||
 247            (send_all && args.send_mirror))
 248                usage(send_pack_usage);
 249
 250        if (remote_name) {
 251                remote = remote_get(remote_name);
 252                if (!remote_has_url(remote, dest)) {
 253                        die("Destination %s is not a uri for %s",
 254                            dest, remote_name);
 255                }
 256        }
 257
 258        if (progress == -1)
 259                progress = !args.quiet && isatty(2);
 260        args.progress = progress;
 261
 262        if (args.stateless_rpc) {
 263                conn = NULL;
 264                fd[0] = 0;
 265                fd[1] = 1;
 266        } else {
 267                conn = git_connect(fd, dest, receivepack,
 268                        args.verbose ? CONNECT_VERBOSE : 0);
 269        }
 270
 271        get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
 272                         &extra_have, &shallow);
 273
 274        transport_verify_remote_names(nr_refspecs, refspecs);
 275
 276        local_refs = get_local_heads();
 277
 278        flags = MATCH_REFS_NONE;
 279
 280        if (send_all)
 281                flags |= MATCH_REFS_ALL;
 282        if (args.send_mirror)
 283                flags |= MATCH_REFS_MIRROR;
 284
 285        /* match them up */
 286        if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 287                return -1;
 288
 289        if (!is_empty_cas(&cas))
 290                apply_push_cas(&cas, remote, remote_refs);
 291
 292        set_ref_status_for_push(remote_refs, args.send_mirror,
 293                args.force_update);
 294
 295        ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 296
 297        if (helper_status)
 298                print_helper_status(remote_refs);
 299
 300        close(fd[1]);
 301        close(fd[0]);
 302
 303        ret |= finish_connect(conn);
 304
 305        if (!helper_status)
 306                transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 307
 308        if (!args.dry_run && remote) {
 309                struct ref *ref;
 310                for (ref = remote_refs; ref; ref = ref->next)
 311                        transport_update_tracking_ref(remote, ref, args.verbose);
 312        }
 313
 314        if (!ret && !transport_refs_pushed(remote_refs))
 315                fprintf(stderr, "Everything up-to-date\n");
 316
 317        return ret;
 318}