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 "send-pack.h"
   9 #include "quote.h"
  10 #include "transport.h"
  11 #include "version.h"
  12
  13 static const char send_pack_usage[] =
  14 "git send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...]\n"
  15 "  --all and explicit <ref> specification are mutually exclusive.";
  16
  17 static struct send_pack_args args;
  18
  19 static void print_helper_status(struct ref *ref)
  20 {
  21         struct strbuf buf = STRBUF_INIT;
  22
  23         for (; ref; ref = ref->next) {
  24                 const char *msg = NULL;
  25                 const char *res;
  26
  27                 switch(ref->status) {
  28                 case REF_STATUS_NONE:
  29                         res = "error";
  30                         msg = "no match";
  31                         break;
  32
  33                 case REF_STATUS_OK:
  34                         res = "ok";
  35                         break;
  36
  37                 case REF_STATUS_UPTODATE:
  38                         res = "ok";
  39                         msg = "up to date";
  40                         break;
  41
  42                 case REF_STATUS_REJECT_NONFASTFORWARD:
  43                         res = "error";
  44                         msg = "non-fast forward";
  45                         break;
  46
  47                 case REF_STATUS_REJECT_FETCH_FIRST:
  48                         res = "error";
  49                         msg = "fetch first";
  50                         break;
  51
  52                 case REF_STATUS_REJECT_NEEDS_FORCE:
  53                         res = "error";
  54                         msg = "needs force";
  55                         break;
  56
  57                 case REF_STATUS_REJECT_ALREADY_EXISTS:
  58                         res = "error";
  59                         msg = "already exists";
  60                         break;
  61
  62                 case REF_STATUS_REJECT_NODELETE:
  63                 case REF_STATUS_REMOTE_REJECT:
  64                         res = "error";
  65                         break;
  66
  67                 case REF_STATUS_EXPECTING_REPORT:
  68                 default:
  69                         continue;
  70                 }
  71
  72                 strbuf_reset(&buf);
  73                 strbuf_addf(&buf, "%s %s", res, ref->name);
  74                 if (ref->remote_status)
  75                         msg = ref->remote_status;
  76                 if (msg) {
  77                         strbuf_addch(&buf, ' ');
  78                         quote_two_c_style(&buf, "", msg, 0);
  79                 }
  80                 strbuf_addch(&buf, '\n');
  81
  82                 write_or_die(1, buf.buf, buf.len);
  83         }
  84         strbuf_release(&buf);
  85 }
  86
  87 int cmd_send_pack(int argc, const char **argv, const char *prefix)
  88 {
  89         int i, nr_refspecs = 0;
  90         const char **refspecs = NULL;
  91         const char *remote_name = NULL;
  92         struct remote *remote = NULL;
  93         const char *dest = NULL;
  94         int fd[2];
  95         struct child_process *conn;
  96         struct extra_have_objects extra_have;
  97         struct ref *remote_refs, *local_refs;
  98         int ret;
  99         int helper_status = 0;
 100         int send_all = 0;
 101         const char *receivepack = "git-receive-pack";
 102         int flags;
 103         unsigned int reject_reasons;
 104         int progress = -1;
 105
 106         argv++;
 107         for (i = 1; i < argc; i++, argv++) {
 108                 const char *arg = *argv;
 109
 110                 if (*arg == '-') {
 111                         if (!prefixcmp(arg, "--receive-pack=")) {
 112                                 receivepack = arg + 15;
 113                                 continue;
 114                         }
 115                         if (!prefixcmp(arg, "--exec=")) {
 116                                 receivepack = arg + 7;
 117                                 continue;
 118                         }
 119                         if (!prefixcmp(arg, "--remote=")) {
 120                                 remote_name = arg + 9;
 121                                 continue;
 122                         }
 123                         if (!strcmp(arg, "--all")) {
 124                                 send_all = 1;
 125                                 continue;
 126                         }
 127                         if (!strcmp(arg, "--dry-run")) {
 128                                 args.dry_run = 1;
 129                                 continue;
 130                         }
 131                         if (!strcmp(arg, "--mirror")) {
 132                                 args.send_mirror = 1;
 133                                 continue;
 134                         }
 135                         if (!strcmp(arg, "--force")) {
 136                                 args.force_update = 1;
 137                                 continue;
 138                         }
 139                         if (!strcmp(arg, "--quiet")) {
 140                                 args.quiet = 1;
 141                                 continue;
 142                         }
 143                         if (!strcmp(arg, "--verbose")) {
 144                                 args.verbose = 1;
 145                                 continue;
 146                         }
 147                         if (!strcmp(arg, "--progress")) {
 148                                 progress = 1;
 149                                 continue;
 150                         }
 151                         if (!strcmp(arg, "--no-progress")) {
 152                                 progress = 0;
 153                                 continue;
 154                         }
 155                         if (!strcmp(arg, "--thin")) {
 156                                 args.use_thin_pack = 1;
 157                                 continue;
 158                         }
 159                         if (!strcmp(arg, "--stateless-rpc")) {
 160                                 args.stateless_rpc = 1;
 161                                 continue;
 162                         }
 163                         if (!strcmp(arg, "--helper-status")) {
 164                                 helper_status = 1;
 165                                 continue;
 166                         }
 167                         usage(send_pack_usage);
 168                 }
 169                 if (!dest) {
 170                         dest = arg;
 171                         continue;
 172                 }
 173                 refspecs = (const char **) argv;
 174                 nr_refspecs = argc - i;
 175                 break;
 176         }
 177         if (!dest)
 178                 usage(send_pack_usage);
 179         /*
 180          * --all and --mirror are incompatible; neither makes sense
 181          * with any refspecs.
 182          */
 183         if ((refspecs && (send_all || args.send_mirror)) ||
 184             (send_all && args.send_mirror))
 185                 usage(send_pack_usage);
 186
 187         if (remote_name) {
 188                 remote = remote_get(remote_name);
 189                 if (!remote_has_url(remote, dest)) {
 190                         die("Destination %s is not a uri for %s",
 191                             dest, remote_name);
 192                 }
 193         }
 194
 195         if (progress == -1)
 196                 progress = !args.quiet && isatty(2);
 197         args.progress = progress;
 198
 199         if (args.stateless_rpc) {
 200                 conn = NULL;
 201                 fd[0] = 0;
 202                 fd[1] = 1;
 203         } else {
 204                 conn = git_connect(fd, dest, receivepack,
 205                         args.verbose ? CONNECT_VERBOSE : 0);
 206         }
 207
 208         memset(&extra_have, 0, sizeof(extra_have));
 209
 210         get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL, &extra_have);
 211
 212         transport_verify_remote_names(nr_refspecs, refspecs);
 213
 214         local_refs = get_local_heads();
 215
 216         flags = MATCH_REFS_NONE;
 217
 218         if (send_all)
 219                 flags |= MATCH_REFS_ALL;
 220         if (args.send_mirror)
 221                 flags |= MATCH_REFS_MIRROR;
 222
 223         /* match them up */
 224         if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 225                 return -1;
 226
 227         set_ref_status_for_push(remote_refs, args.send_mirror,
 228                 args.force_update);
 229
 230         ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 231
 232         if (helper_status)
 233                 print_helper_status(remote_refs);
 234
 235         close(fd[1]);
 236         close(fd[0]);
 237
 238         ret |= finish_connect(conn);
 239
 240         if (!helper_status)
 241                 transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 242
 243         if (!args.dry_run && remote) {
 244                 struct ref *ref;
 245                 for (ref = remote_refs; ref; ref = ref->next)
 246                         transport_update_tracking_ref(remote, ref, args.verbose);
 247         }
 248
 249         if (!ret && !transport_refs_pushed(remote_refs))
 250                 fprintf(stderr, "Everything up-to-date\n");
 251
 252         return ret;
 253 }