Andrew's git - gitweb.git/blob - builtin/ls-remote.c

   1#include "builtin.h"
   2#include "cache.h"
   3#include "transport.h"
   4#include "remote.h"
   5#include "refs.h"
   6
   7static const char * const ls_remote_usage[] = {
   8        N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
   9           "                     [-q | --quiet] [--exit-code] [--get-url]\n"
  10           "                     [--symref] [<repository> [<refs>...]]"),
  11        NULL
  12};
  13
  14/*
  15 * Is there one among the list of patterns that match the tail part
  16 * of the path?
  17 */
  18static int tail_match(const char **pattern, const char *path)
  19{
  20        const char *p;
  21        char *pathbuf;
  22
  23        if (!pattern)
  24                return 1; /* no restriction */
  25
  26        pathbuf = xstrfmt("/%s", path);
  27        while ((p = *(pattern++)) != NULL) {
  28                if (!wildmatch(p, pathbuf, 0)) {
  29                        free(pathbuf);
  30                        return 1;
  31                }
  32        }
  33        free(pathbuf);
  34        return 0;
  35}
  36
  37int cmd_ls_remote(int argc, const char **argv, const char *prefix)
  38{
  39        const char *dest = NULL;
  40        unsigned flags = 0;
  41        int get_url = 0;
  42        int quiet = 0;
  43        int status = 0;
  44        int show_symref_target = 0;
  45        const char *uploadpack = NULL;
  46        const char **pattern = NULL;
  47        struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
  48        struct string_list server_options = STRING_LIST_INIT_DUP;
  49
  50        struct remote *remote;
  51        struct transport *transport;
  52        const struct ref *ref;
  53
  54        struct option options[] = {
  55                OPT__QUIET(&quiet, N_("do not print remote URL")),
  56                OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
  57                           N_("path of git-upload-pack on the remote host")),
  58                { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
  59                           N_("path of git-upload-pack on the remote host"),
  60                           PARSE_OPT_HIDDEN },
  61                OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
  62                OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
  63                OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
  64                OPT_BOOL(0, "get-url", &get_url,
  65                         N_("take url.<base>.insteadOf into account")),
  66                OPT_SET_INT_F(0, "exit-code", &status,
  67                              N_("exit with exit code 2 if no matching refs are found"),
  68                              2, PARSE_OPT_NOCOMPLETE),
  69                OPT_BOOL(0, "symref", &show_symref_target,
  70                         N_("show underlying ref in addition to the object pointed by it")),
  71                OPT_STRING_LIST('o', "server-option", &server_options, N_("server-specific"), N_("option to transmit")),
  72                OPT_END()
  73        };
  74
  75        argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
  76                             PARSE_OPT_STOP_AT_NON_OPTION);
  77        dest = argv[0];
  78
  79        if (argc > 1) {
  80                int i;
  81                pattern = xcalloc(argc, sizeof(const char *));
  82                for (i = 1; i < argc; i++) {
  83                        const char *glob;
  84                        pattern[i - 1] = xstrfmt("*/%s", argv[i]);
  85
  86                        glob = strchr(argv[i], '*');
  87                        if (glob)
  88                                argv_array_pushf(&ref_prefixes, "%.*s",
  89                                                 (int)(glob - argv[i]), argv[i]);
  90                        else
  91                                expand_ref_prefix(&ref_prefixes, argv[i]);
  92                }
  93        }
  94
  95        remote = remote_get(dest);
  96        if (!remote) {
  97                if (dest)
  98                        die("bad repository '%s'", dest);
  99                die("No remote configured to list refs from.");
 100        }
 101        if (!remote->url_nr)
 102                die("remote %s has no configured URL", dest);
 103
 104        if (get_url) {
 105                printf("%s\n", *remote->url);
 106                return 0;
 107        }
 108
 109        transport = transport_get(remote, NULL);
 110        if (uploadpack != NULL)
 111                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 112        if (server_options.nr)
 113                transport->server_options = &server_options;
 114
 115        ref = transport_get_remote_refs(transport, &ref_prefixes);
 116        if (transport_disconnect(transport))
 117                return 1;
 118
 119        if (!dest && !quiet)
 120                fprintf(stderr, "From %s\n", *remote->url);
 121        for ( ; ref; ref = ref->next) {
 122                if (!check_ref_type(ref, flags))
 123                        continue;
 124                if (!tail_match(pattern, ref->name))
 125                        continue;
 126                if (show_symref_target && ref->symref)
 127                        printf("ref: %s\t%s\n", ref->symref, ref->name);
 128                printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
 129                status = 0; /* we found something */
 130        }
 131        return status;
 132}