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
  16 static 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
  20 static struct send_pack_args args;
  21
  22 static 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
  95 int 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 }