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