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         struct push_cas_option cas = {0};
 114
 115         argv++;
 116         for (i = 1; i < argc; i++, argv++) {
 117                 const char *arg = *argv;
 118
 119                 if (*arg == '-') {
 120                         if (!prefixcmp(arg, "--receive-pack=")) {
 121                                 receivepack = arg + 15;
 122                                 continue;
 123                         }
 124                         if (!prefixcmp(arg, "--exec=")) {
 125                                 receivepack = arg + 7;
 126                                 continue;
 127                         }
 128                         if (!prefixcmp(arg, "--remote=")) {
 129                                 remote_name = arg + 9;
 130                                 continue;
 131                         }
 132                         if (!strcmp(arg, "--all")) {
 133                                 send_all = 1;
 134                                 continue;
 135                         }
 136                         if (!strcmp(arg, "--dry-run")) {
 137                                 args.dry_run = 1;
 138                                 continue;
 139                         }
 140                         if (!strcmp(arg, "--mirror")) {
 141                                 args.send_mirror = 1;
 142                                 continue;
 143                         }
 144                         if (!strcmp(arg, "--force")) {
 145                                 args.force_update = 1;
 146                                 continue;
 147                         }
 148                         if (!strcmp(arg, "--quiet")) {
 149                                 args.quiet = 1;
 150                                 continue;
 151                         }
 152                         if (!strcmp(arg, "--verbose")) {
 153                                 args.verbose = 1;
 154                                 continue;
 155                         }
 156                         if (!strcmp(arg, "--progress")) {
 157                                 progress = 1;
 158                                 continue;
 159                         }
 160                         if (!strcmp(arg, "--no-progress")) {
 161                                 progress = 0;
 162                                 continue;
 163                         }
 164                         if (!strcmp(arg, "--thin")) {
 165                                 args.use_thin_pack = 1;
 166                                 continue;
 167                         }
 168                         if (!strcmp(arg, "--stateless-rpc")) {
 169                                 args.stateless_rpc = 1;
 170                                 continue;
 171                         }
 172                         if (!strcmp(arg, "--helper-status")) {
 173                                 helper_status = 1;
 174                                 continue;
 175                         }
 176                         if (!strcmp(arg, "--" CAS_OPT_NAME)) {
 177                                 if (parse_push_cas_option(&cas, NULL, 0) < 0)
 178                                         exit(1);
 179                                 continue;
 180                         }
 181                         if (!strcmp(arg, "--no-" CAS_OPT_NAME)) {
 182                                 if (parse_push_cas_option(&cas, NULL, 1) < 0)
 183                                         exit(1);
 184                                 continue;
 185                         }
 186                         if (!prefixcmp(arg, "--" CAS_OPT_NAME "=")) {
 187                                 if (parse_push_cas_option(&cas,
 188                                                           strchr(arg, '=') + 1, 0) < 0)
 189                                         exit(1);
 190                                 continue;
 191                         }
 192                         usage(send_pack_usage);
 193                 }
 194                 if (!dest) {
 195                         dest = arg;
 196                         continue;
 197                 }
 198                 refspecs = (const char **) argv;
 199                 nr_refspecs = argc - i;
 200                 break;
 201         }
 202         if (!dest)
 203                 usage(send_pack_usage);
 204         /*
 205          * --all and --mirror are incompatible; neither makes sense
 206          * with any refspecs.
 207          */
 208         if ((refspecs && (send_all || args.send_mirror)) ||
 209             (send_all && args.send_mirror))
 210                 usage(send_pack_usage);
 211
 212         if (is_repository_shallow() && args.stateless_rpc)
 213                 die("attempt to push from a shallow repository");
 214
 215         if (remote_name) {
 216                 remote = remote_get(remote_name);
 217                 if (!remote_has_url(remote, dest)) {
 218                         die("Destination %s is not a uri for %s",
 219                             dest, remote_name);
 220                 }
 221         }
 222
 223         if (progress == -1)
 224                 progress = !args.quiet && isatty(2);
 225         args.progress = progress;
 226
 227         if (args.stateless_rpc) {
 228                 conn = NULL;
 229                 fd[0] = 0;
 230                 fd[1] = 1;
 231         } else {
 232                 conn = git_connect(fd, dest, receivepack,
 233                         args.verbose ? CONNECT_VERBOSE : 0);
 234         }
 235
 236         get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
 237                          &extra_have, &shallow);
 238
 239         transport_verify_remote_names(nr_refspecs, refspecs);
 240
 241         local_refs = get_local_heads();
 242
 243         flags = MATCH_REFS_NONE;
 244
 245         if (send_all)
 246                 flags |= MATCH_REFS_ALL;
 247         if (args.send_mirror)
 248                 flags |= MATCH_REFS_MIRROR;
 249
 250         /* match them up */
 251         if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 252                 return -1;
 253
 254         if (!is_empty_cas(&cas))
 255                 apply_push_cas(&cas, remote, remote_refs);
 256
 257         set_ref_status_for_push(remote_refs, args.send_mirror,
 258                 args.force_update);
 259
 260         ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 261
 262         if (helper_status)
 263                 print_helper_status(remote_refs);
 264
 265         close(fd[1]);
 266         close(fd[0]);
 267
 268         ret |= finish_connect(conn);
 269
 270         if (!helper_status)
 271                 transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 272
 273         if (!args.dry_run && remote) {
 274                 struct ref *ref;
 275                 for (ref = remote_refs; ref; ref = ref->next)
 276                         transport_update_tracking_ref(remote, ref, args.verbose);
 277         }
 278
 279         if (!ret && !transport_refs_pushed(remote_refs))
 280                 fprintf(stderr, "Everything up-to-date\n");
 281
 282         return ret;
 283 }