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