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        int from_stdin = 0;
 114        struct push_cas_option cas = {0};
 115
 116        argv++;
 117        for (i = 1; i < argc; i++, argv++) {
 118                const char *arg = *argv;
 119
 120                if (*arg == '-') {
 121                        if (starts_with(arg, "--receive-pack=")) {
 122                                receivepack = arg + 15;
 123                                continue;
 124                        }
 125                        if (starts_with(arg, "--exec=")) {
 126                                receivepack = arg + 7;
 127                                continue;
 128                        }
 129                        if (starts_with(arg, "--remote=")) {
 130                                remote_name = arg + 9;
 131                                continue;
 132                        }
 133                        if (!strcmp(arg, "--all")) {
 134                                send_all = 1;
 135                                continue;
 136                        }
 137                        if (!strcmp(arg, "--dry-run")) {
 138                                args.dry_run = 1;
 139                                continue;
 140                        }
 141                        if (!strcmp(arg, "--mirror")) {
 142                                args.send_mirror = 1;
 143                                continue;
 144                        }
 145                        if (!strcmp(arg, "--force")) {
 146                                args.force_update = 1;
 147                                continue;
 148                        }
 149                        if (!strcmp(arg, "--quiet")) {
 150                                args.quiet = 1;
 151                                continue;
 152                        }
 153                        if (!strcmp(arg, "--verbose")) {
 154                                args.verbose = 1;
 155                                continue;
 156                        }
 157                        if (!strcmp(arg, "--signed")) {
 158                                args.push_cert = 1;
 159                                continue;
 160                        }
 161                        if (!strcmp(arg, "--progress")) {
 162                                progress = 1;
 163                                continue;
 164                        }
 165                        if (!strcmp(arg, "--no-progress")) {
 166                                progress = 0;
 167                                continue;
 168                        }
 169                        if (!strcmp(arg, "--thin")) {
 170                                args.use_thin_pack = 1;
 171                                continue;
 172                        }
 173                        if (!strcmp(arg, "--stateless-rpc")) {
 174                                args.stateless_rpc = 1;
 175                                continue;
 176                        }
 177                        if (!strcmp(arg, "--stdin")) {
 178                                from_stdin = 1;
 179                                continue;
 180                        }
 181                        if (!strcmp(arg, "--helper-status")) {
 182                                helper_status = 1;
 183                                continue;
 184                        }
 185                        if (!strcmp(arg, "--" CAS_OPT_NAME)) {
 186                                if (parse_push_cas_option(&cas, NULL, 0) < 0)
 187                                        exit(1);
 188                                continue;
 189                        }
 190                        if (!strcmp(arg, "--no-" CAS_OPT_NAME)) {
 191                                if (parse_push_cas_option(&cas, NULL, 1) < 0)
 192                                        exit(1);
 193                                continue;
 194                        }
 195                        if (starts_with(arg, "--" CAS_OPT_NAME "=")) {
 196                                if (parse_push_cas_option(&cas,
 197                                                          strchr(arg, '=') + 1, 0) < 0)
 198                                        exit(1);
 199                                continue;
 200                        }
 201                        usage(send_pack_usage);
 202                }
 203                if (!dest) {
 204                        dest = arg;
 205                        continue;
 206                }
 207                refspecs = (const char **) argv;
 208                nr_refspecs = argc - i;
 209                break;
 210        }
 211        if (!dest)
 212                usage(send_pack_usage);
 213
 214        if (from_stdin) {
 215                struct argv_array all_refspecs = ARGV_ARRAY_INIT;
 216
 217                for (i = 0; i < nr_refspecs; i++)
 218                        argv_array_push(&all_refspecs, refspecs[i]);
 219
 220                if (args.stateless_rpc) {
 221                        const char *buf;
 222                        while ((buf = packet_read_line(0, NULL)))
 223                                argv_array_push(&all_refspecs, buf);
 224                } else {
 225                        struct strbuf line = STRBUF_INIT;
 226                        while (strbuf_getline(&line, stdin, '\n') != EOF)
 227                                argv_array_push(&all_refspecs, line.buf);
 228                        strbuf_release(&line);
 229                }
 230
 231                refspecs = all_refspecs.argv;
 232                nr_refspecs = all_refspecs.argc;
 233        }
 234
 235        /*
 236         * --all and --mirror are incompatible; neither makes sense
 237         * with any refspecs.
 238         */
 239        if ((refspecs && (send_all || args.send_mirror)) ||
 240            (send_all && args.send_mirror))
 241                usage(send_pack_usage);
 242
 243        if (remote_name) {
 244                remote = remote_get(remote_name);
 245                if (!remote_has_url(remote, dest)) {
 246                        die("Destination %s is not a uri for %s",
 247                            dest, remote_name);
 248                }
 249        }
 250
 251        if (progress == -1)
 252                progress = !args.quiet && isatty(2);
 253        args.progress = progress;
 254
 255        if (args.stateless_rpc) {
 256                conn = NULL;
 257                fd[0] = 0;
 258                fd[1] = 1;
 259        } else {
 260                conn = git_connect(fd, dest, receivepack,
 261                        args.verbose ? CONNECT_VERBOSE : 0);
 262        }
 263
 264        get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
 265                         &extra_have, &shallow);
 266
 267        transport_verify_remote_names(nr_refspecs, refspecs);
 268
 269        local_refs = get_local_heads();
 270
 271        flags = MATCH_REFS_NONE;
 272
 273        if (send_all)
 274                flags |= MATCH_REFS_ALL;
 275        if (args.send_mirror)
 276                flags |= MATCH_REFS_MIRROR;
 277
 278        /* match them up */
 279        if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
 280                return -1;
 281
 282        if (!is_empty_cas(&cas))
 283                apply_push_cas(&cas, remote, remote_refs);
 284
 285        set_ref_status_for_push(remote_refs, args.send_mirror,
 286                args.force_update);
 287
 288        ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
 289
 290        if (helper_status)
 291                print_helper_status(remote_refs);
 292
 293        close(fd[1]);
 294        close(fd[0]);
 295
 296        ret |= finish_connect(conn);
 297
 298        if (!helper_status)
 299                transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 300
 301        if (!args.dry_run && remote) {
 302                struct ref *ref;
 303                for (ref = remote_refs; ref; ref = ref->next)
 304                        transport_update_tracking_ref(remote, ref, args.verbose);
 305        }
 306
 307        if (!ret && !transport_refs_pushed(remote_refs))
 308                fprintf(stderr, "Everything up-to-date\n");
 309
 310        return ret;
 311}