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] [<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, "--stateless-rpc")) {
 174                                 args.stateless_rpc = 1;
 175                                 continue;
 176                         }
 177                         if (!strcmp(arg, "--stdin")) {
 178                                 from_stdin = 1;
 179                                 continue;
 180                         }
 181                         if (!strcmp(arg, "--helper-status")) {
 182                                 helper_status = 1;
 183                                 continue;
 184                         }
 185                         if (!strcmp(arg, "--" CAS_OPT_NAME)) {
 186                                 if (parse_push_cas_option(&cas, NULL, 0) < 0)
 187                                         exit(1);
 188                                 continue;
 189                         }
 190                         if (!strcmp(arg, "--no-" CAS_OPT_NAME)) {
 191                                 if (parse_push_cas_option(&cas, NULL, 1) < 0)
 192                                         exit(1);
 193                                 continue;
 194                         }
 195                         if (starts_with(arg, "--" CAS_OPT_NAME "=")) {
 196                                 if (parse_push_cas_option(&cas,
 197                                                           strchr(arg, '=') + 1, 0) < 0)
 198                                         exit(1);
 199                                 continue;
 200                         }
 201                         usage(send_pack_usage);
 202                 }
 203                 if (!dest) {
 204                         dest = arg;
 205                         continue;
 206                 }
 207                 refspecs = (const char **) argv;
 208                 nr_refspecs = argc - i;
 209                 break;
 210         }
 211         if (!dest)
 212                 usage(send_pack_usage);
 213
 214         if (from_stdin) {
 215                 struct argv_array all_refspecs = ARGV_ARRAY_INIT;
 216
 217                 for (i = 0; i < nr_refspecs; i++)
 218                         argv_array_push(&all_refspecs, refspecs[i]);
 219
 220                 if (args.stateless_rpc) {
 221                         const char *buf;
 222                         while ((buf = packet_read_line(0, NULL)))
 223                                 argv_array_push(&all_refspecs, buf);
 224                 } else {
 225                         struct strbuf line = STRBUF_INIT;
 226                         while (strbuf_getline(&line, stdin, '\n') != EOF)
 227                                 argv_array_push(&all_refspecs, line.buf);
 228                         strbuf_release(&line);
 229                 }
 230
 231                 refspecs = all_refspecs.argv;
 232                 nr_refspecs = all_refspecs.argc;
 233         }
 234
 235         /*
 236          * --all and --mirror are incompatible; neither makes sense
 237          * with any refspecs.
 238          */
 239         if ((refspecs && (send_all || args.send_mirror)) ||
 240             (send_all && args.send_mirror))
 241                 usage(send_pack_usage);
 242
 243         if (remote_name) {
 244                 remote = remote_get(remote_name);
 245                 if (!remote_has_url(remote, dest)) {
 246                         die("Destination %s is not a uri for %s",
 247                             dest, remote_name);
 248                 }
 249         }
 250
 251         if (progress == -1)
 252                 progress = !args.quiet && isatty(2);
 253         args.progress = progress;
 254
 255         if (args.stateless_rpc) {
 256                 conn = NULL;
 257                 fd[0] = 0;
 258                 fd[1] = 1;
 259         } else {
 260                 conn = git_connect(fd, dest, receivepack,
 261                         args.verbose ? CONNECT_VERBOSE : 0);
 262         }
 263
 264         get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
 265                          &extra_have, &shallow);
 266
 267         transport_verify_remote_names(nr_refspecs, refspecs);
 268
 269         local_refs = get_local_heads();
 270
 271         flags = MATCH_REFS_NONE;
 272
 273         if (send_all)
 274                 flags |= MATCH_REFS_ALL;
 275         if (args.send_mirror)
 276                 flags |= MATCH_REFS_MIRROR;
 277
 278         /* match them up */
 279         if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 280                 return -1;
 281
 282         if (!is_empty_cas(&cas))
 283                 apply_push_cas(&cas, remote, remote_refs);
 284
 285         set_ref_status_for_push(remote_refs, args.send_mirror,
 286                 args.force_update);
 287
 288         ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 289
 290         if (helper_status)
 291                 print_helper_status(remote_refs);
 292
 293         close(fd[1]);
 294         close(fd[0]);
 295
 296         ret |= finish_connect(conn);
 297
 298         if (!helper_status)
 299                 transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 300
 301         if (!args.dry_run && remote) {
 302                 struct ref *ref;
 303                 for (ref = remote_refs; ref; ref = ref->next)
 304                         transport_update_tracking_ref(remote, ref, args.verbose);
 305         }
 306
 307         if (!ret && !transport_refs_pushed(remote_refs))
 308                 fprintf(stderr, "Everything up-to-date\n");
 309
 310         return ret;
 311 }