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 sha1_array shallow = SHA1_ARRAY_INIT;
 105        struct ref *remote_refs, *local_refs;
 106        int ret;
 107        int helper_status = 0;
 108        int send_all = 0;
 109        const char *receivepack = "git-receive-pack";
 110        int flags;
 111        unsigned int reject_reasons;
 112        int progress = -1;
 113        struct push_cas_option cas = {0};
 114
 115        argv++;
 116        for (i = 1; i < argc; i++, argv++) {
 117                const char *arg = *argv;
 118
 119                if (*arg == '-') {
 120                        if (starts_with(arg, "--receive-pack=")) {
 121                                receivepack = arg + 15;
 122                                continue;
 123                        }
 124                        if (starts_with(arg, "--exec=")) {
 125                                receivepack = arg + 7;
 126                                continue;
 127                        }
 128                        if (starts_with(arg, "--remote=")) {
 129                                remote_name = arg + 9;
 130                                continue;
 131                        }
 132                        if (!strcmp(arg, "--all")) {
 133                                send_all = 1;
 134                                continue;
 135                        }
 136                        if (!strcmp(arg, "--dry-run")) {
 137                                args.dry_run = 1;
 138                                continue;
 139                        }
 140                        if (!strcmp(arg, "--mirror")) {
 141                                args.send_mirror = 1;
 142                                continue;
 143                        }
 144                        if (!strcmp(arg, "--force")) {
 145                                args.force_update = 1;
 146                                continue;
 147                        }
 148                        if (!strcmp(arg, "--quiet")) {
 149                                args.quiet = 1;
 150                                continue;
 151                        }
 152                        if (!strcmp(arg, "--verbose")) {
 153                                args.verbose = 1;
 154                                continue;
 155                        }
 156                        if (!strcmp(arg, "--progress")) {
 157                                progress = 1;
 158                                continue;
 159                        }
 160                        if (!strcmp(arg, "--no-progress")) {
 161                                progress = 0;
 162                                continue;
 163                        }
 164                        if (!strcmp(arg, "--thin")) {
 165                                args.use_thin_pack = 1;
 166                                continue;
 167                        }
 168                        if (!strcmp(arg, "--stateless-rpc")) {
 169                                args.stateless_rpc = 1;
 170                                continue;
 171                        }
 172                        if (!strcmp(arg, "--helper-status")) {
 173                                helper_status = 1;
 174                                continue;
 175                        }
 176                        if (!strcmp(arg, "--" CAS_OPT_NAME)) {
 177                                if (parse_push_cas_option(&cas, NULL, 0) < 0)
 178                                        exit(1);
 179                                continue;
 180                        }
 181                        if (!strcmp(arg, "--no-" CAS_OPT_NAME)) {
 182                                if (parse_push_cas_option(&cas, NULL, 1) < 0)
 183                                        exit(1);
 184                                continue;
 185                        }
 186                        if (starts_with(arg, "--" CAS_OPT_NAME "=")) {
 187                                if (parse_push_cas_option(&cas,
 188                                                          strchr(arg, '=') + 1, 0) < 0)
 189                                        exit(1);
 190                                continue;
 191                        }
 192                        usage(send_pack_usage);
 193                }
 194                if (!dest) {
 195                        dest = arg;
 196                        continue;
 197                }
 198                refspecs = (const char **) argv;
 199                nr_refspecs = argc - i;
 200                break;
 201        }
 202        if (!dest)
 203                usage(send_pack_usage);
 204        /*
 205         * --all and --mirror are incompatible; neither makes sense
 206         * with any refspecs.
 207         */
 208        if ((refspecs && (send_all || args.send_mirror)) ||
 209            (send_all && args.send_mirror))
 210                usage(send_pack_usage);
 211
 212        if (remote_name) {
 213                remote = remote_get(remote_name);
 214                if (!remote_has_url(remote, dest)) {
 215                        die("Destination %s is not a uri for %s",
 216                            dest, remote_name);
 217                }
 218        }
 219
 220        if (progress == -1)
 221                progress = !args.quiet && isatty(2);
 222        args.progress = progress;
 223
 224        if (args.stateless_rpc) {
 225                conn = NULL;
 226                fd[0] = 0;
 227                fd[1] = 1;
 228        } else {
 229                conn = git_connect(fd, dest, receivepack,
 230                        args.verbose ? CONNECT_VERBOSE : 0);
 231        }
 232
 233        get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
 234                         &extra_have, &shallow);
 235
 236        transport_verify_remote_names(nr_refspecs, refspecs);
 237
 238        local_refs = get_local_heads();
 239
 240        flags = MATCH_REFS_NONE;
 241
 242        if (send_all)
 243                flags |= MATCH_REFS_ALL;
 244        if (args.send_mirror)
 245                flags |= MATCH_REFS_MIRROR;
 246
 247        /* match them up */
 248        if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 249                return -1;
 250
 251        if (!is_empty_cas(&cas))
 252                apply_push_cas(&cas, remote, remote_refs);
 253
 254        set_ref_status_for_push(remote_refs, args.send_mirror,
 255                args.force_update);
 256
 257        ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 258
 259        if (helper_status)
 260                print_helper_status(remote_refs);
 261
 262        close(fd[1]);
 263        close(fd[0]);
 264
 265        ret |= finish_connect(conn);
 266
 267        if (!helper_status)
 268                transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 269
 270        if (!args.dry_run && remote) {
 271                struct ref *ref;
 272                for (ref = remote_refs; ref; ref = ref->next)
 273                        transport_update_tracking_ref(remote, ref, args.verbose);
 274        }
 275
 276        if (!ret && !transport_refs_pushed(remote_refs))
 277                fprintf(stderr, "Everything up-to-date\n");
 278
 279        return ret;
 280}