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