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