Andrew's git - gitweb.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 "connect.h"
   9#include "send-pack.h"
  10#include "quote.h"
  11#include "transport.h"
  12#include "version.h"
  13#include "sha1-array.h"
  14
  15static const char send_pack_usage[] =
  16"git send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...]\n"
  17"  --all and explicit <ref> specification are mutually exclusive.";
  18
  19static struct send_pack_args args;
  20
  21static void print_helper_status(struct ref *ref)
  22{
  23        struct strbuf buf = STRBUF_INIT;
  24
  25        for (; ref; ref = ref->next) {
  26                const char *msg = NULL;
  27                const char *res;
  28
  29                switch(ref->status) {
  30                case REF_STATUS_NONE:
  31                        res = "error";
  32                        msg = "no match";
  33                        break;
  34
  35                case REF_STATUS_OK:
  36                        res = "ok";
  37                        break;
  38
  39                case REF_STATUS_UPTODATE:
  40                        res = "ok";
  41                        msg = "up to date";
  42                        break;
  43
  44                case REF_STATUS_REJECT_NONFASTFORWARD:
  45                        res = "error";
  46                        msg = "non-fast forward";
  47                        break;
  48
  49                case REF_STATUS_REJECT_FETCH_FIRST:
  50                        res = "error";
  51                        msg = "fetch first";
  52                        break;
  53
  54                case REF_STATUS_REJECT_NEEDS_FORCE:
  55                        res = "error";
  56                        msg = "needs force";
  57                        break;
  58
  59                case REF_STATUS_REJECT_STALE:
  60                        res = "error";
  61                        msg = "stale info";
  62                        break;
  63
  64                case REF_STATUS_REJECT_ALREADY_EXISTS:
  65                        res = "error";
  66                        msg = "already exists";
  67                        break;
  68
  69                case REF_STATUS_REJECT_NODELETE:
  70                case REF_STATUS_REMOTE_REJECT:
  71                        res = "error";
  72                        break;
  73
  74                case REF_STATUS_EXPECTING_REPORT:
  75                default:
  76                        continue;
  77                }
  78
  79                strbuf_reset(&buf);
  80                strbuf_addf(&buf, "%s %s", res, ref->name);
  81                if (ref->remote_status)
  82                        msg = ref->remote_status;
  83                if (msg) {
  84                        strbuf_addch(&buf, ' ');
  85                        quote_two_c_style(&buf, "", msg, 0);
  86                }
  87                strbuf_addch(&buf, '\n');
  88
  89                write_or_die(1, buf.buf, buf.len);
  90        }
  91        strbuf_release(&buf);
  92}
  93
  94int cmd_send_pack(int argc, const char **argv, const char *prefix)
  95{
  96        int i, nr_refspecs = 0;
  97        const char **refspecs = NULL;
  98        const char *remote_name = NULL;
  99        struct remote *remote = NULL;
 100        const char *dest = NULL;
 101        int fd[2];
 102        struct child_process *conn;
 103        struct sha1_array extra_have = SHA1_ARRAY_INIT;
 104        struct ref *remote_refs, *local_refs;
 105        int ret;
 106        int helper_status = 0;
 107        int send_all = 0;
 108        const char *receivepack = "git-receive-pack";
 109        int flags;
 110        unsigned int reject_reasons;
 111        int progress = -1;
 112        struct push_cas_option cas = {0};
 113
 114        argv++;
 115        for (i = 1; i < argc; i++, argv++) {
 116                const char *arg = *argv;
 117
 118                if (*arg == '-') {
 119                        if (!prefixcmp(arg, "--receive-pack=")) {
 120                                receivepack = arg + 15;
 121                                continue;
 122                        }
 123                        if (!prefixcmp(arg, "--exec=")) {
 124                                receivepack = arg + 7;
 125                                continue;
 126                        }
 127                        if (!prefixcmp(arg, "--remote=")) {
 128                                remote_name = arg + 9;
 129                                continue;
 130                        }
 131                        if (!strcmp(arg, "--all")) {
 132                                send_all = 1;
 133                                continue;
 134                        }
 135                        if (!strcmp(arg, "--dry-run")) {
 136                                args.dry_run = 1;
 137                                continue;
 138                        }
 139                        if (!strcmp(arg, "--mirror")) {
 140                                args.send_mirror = 1;
 141                                continue;
 142                        }
 143                        if (!strcmp(arg, "--force")) {
 144                                args.force_update = 1;
 145                                continue;
 146                        }
 147                        if (!strcmp(arg, "--quiet")) {
 148                                args.quiet = 1;
 149                                continue;
 150                        }
 151                        if (!strcmp(arg, "--verbose")) {
 152                                args.verbose = 1;
 153                                continue;
 154                        }
 155                        if (!strcmp(arg, "--progress")) {
 156                                progress = 1;
 157                                continue;
 158                        }
 159                        if (!strcmp(arg, "--no-progress")) {
 160                                progress = 0;
 161                                continue;
 162                        }
 163                        if (!strcmp(arg, "--thin")) {
 164                                args.use_thin_pack = 1;
 165                                continue;
 166                        }
 167                        if (!strcmp(arg, "--stateless-rpc")) {
 168                                args.stateless_rpc = 1;
 169                                continue;
 170                        }
 171                        if (!strcmp(arg, "--helper-status")) {
 172                                helper_status = 1;
 173                                continue;
 174                        }
 175                        if (!strcmp(arg, "--" CAS_OPT_NAME)) {
 176                                if (parse_push_cas_option(&cas, NULL, 0) < 0)
 177                                        exit(1);
 178                                continue;
 179                        }
 180                        if (!strcmp(arg, "--no-" CAS_OPT_NAME)) {
 181                                if (parse_push_cas_option(&cas, NULL, 1) < 0)
 182                                        exit(1);
 183                                continue;
 184                        }
 185                        if (!prefixcmp(arg, "--" CAS_OPT_NAME "=")) {
 186                                if (parse_push_cas_option(&cas,
 187                                                          strchr(arg, '=') + 1, 0) < 0)
 188                                        exit(1);
 189                                continue;
 190                        }
 191                        usage(send_pack_usage);
 192                }
 193                if (!dest) {
 194                        dest = arg;
 195                        continue;
 196                }
 197                refspecs = (const char **) argv;
 198                nr_refspecs = argc - i;
 199                break;
 200        }
 201        if (!dest)
 202                usage(send_pack_usage);
 203        /*
 204         * --all and --mirror are incompatible; neither makes sense
 205         * with any refspecs.
 206         */
 207        if ((refspecs && (send_all || args.send_mirror)) ||
 208            (send_all && args.send_mirror))
 209                usage(send_pack_usage);
 210
 211        if (is_repository_shallow())
 212                die("attempt to push from a shallow repository");
 213
 214        if (remote_name) {
 215                remote = remote_get(remote_name);
 216                if (!remote_has_url(remote, dest)) {
 217                        die("Destination %s is not a uri for %s",
 218                            dest, remote_name);
 219                }
 220        }
 221
 222        if (progress == -1)
 223                progress = !args.quiet && isatty(2);
 224        args.progress = progress;
 225
 226        if (args.stateless_rpc) {
 227                conn = NULL;
 228                fd[0] = 0;
 229                fd[1] = 1;
 230        } else {
 231                conn = git_connect(fd, dest, receivepack,
 232                        args.verbose ? CONNECT_VERBOSE : 0);
 233        }
 234
 235        get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL, &extra_have, NULL);
 236
 237        transport_verify_remote_names(nr_refspecs, refspecs);
 238
 239        local_refs = get_local_heads();
 240
 241        flags = MATCH_REFS_NONE;
 242
 243        if (send_all)
 244                flags |= MATCH_REFS_ALL;
 245        if (args.send_mirror)
 246                flags |= MATCH_REFS_MIRROR;
 247
 248        /* match them up */
 249        if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 250                return -1;
 251
 252        if (!is_empty_cas(&cas))
 253                apply_push_cas(&cas, remote, remote_refs);
 254
 255        set_ref_status_for_push(remote_refs, args.send_mirror,
 256                args.force_update);
 257
 258        ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 259
 260        if (helper_status)
 261                print_helper_status(remote_refs);
 262
 263        close(fd[1]);
 264        close(fd[0]);
 265
 266        ret |= finish_connect(conn);
 267
 268        if (!helper_status)
 269                transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 270
 271        if (!args.dry_run && remote) {
 272                struct ref *ref;
 273                for (ref = remote_refs; ref; ref = ref->next)
 274                        transport_update_tracking_ref(remote, ref, args.verbose);
 275        }
 276
 277        if (!ret && !transport_refs_pushed(remote_refs))
 278                fprintf(stderr, "Everything up-to-date\n");
 279
 280        return ret;
 281}