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