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