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
  49        struct remote *remote;
  50        struct transport *transport;
  51        const struct ref *ref;
  52
  53        struct option options[] = {
  54                OPT__QUIET(&quiet, N_("do not print remote URL")),
  55                OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
  56                           N_("path of git-upload-pack on the remote host")),
  57                { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
  58                           N_("path of git-upload-pack on the remote host"),
  59                           PARSE_OPT_HIDDEN },
  60                OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
  61                OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
  62                OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
  63                OPT_BOOL(0, "get-url", &get_url,
  64                         N_("take url.<base>.insteadOf into account")),
  65                OPT_SET_INT(0, "exit-code", &status,
  66                            N_("exit with exit code 2 if no matching refs are found"), 2),
  67                OPT_BOOL(0, "symref", &show_symref_target,
  68                         N_("show underlying ref in addition to the object pointed by it")),
  69                OPT_END()
  70        };
  71
  72        argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
  73                             PARSE_OPT_STOP_AT_NON_OPTION);
  74        dest = argv[0];
  75
  76        if (argc > 1) {
  77                int i;
  78                pattern = xcalloc(argc, sizeof(const char *));
  79                for (i = 1; i < argc; i++) {
  80                        const char *glob;
  81                        pattern[i - 1] = xstrfmt("*/%s", argv[i]);
  82
  83                        glob = strchr(argv[i], '*');
  84                        if (glob)
  85                                argv_array_pushf(&ref_prefixes, "%.*s",
  86                                                 (int)(glob - argv[i]), argv[i]);
  87                        else
  88                                expand_ref_prefix(&ref_prefixes, argv[i]);
  89                }
  90        }
  91
  92        remote = remote_get(dest);
  93        if (!remote) {
  94                if (dest)
  95                        die("bad repository '%s'", dest);
  96                die("No remote configured to list refs from.");
  97        }
  98        if (!remote->url_nr)
  99                die("remote %s has no configured URL", dest);
 100
 101        if (get_url) {
 102                printf("%s\n", *remote->url);
 103                return 0;
 104        }
 105
 106        transport = transport_get(remote, NULL);
 107        if (uploadpack != NULL)
 108                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 109
 110        ref = transport_get_remote_refs(transport, &ref_prefixes);
 111        if (transport_disconnect(transport))
 112                return 1;
 113
 114        if (!dest && !quiet)
 115                fprintf(stderr, "From %s\n", *remote->url);
 116        for ( ; ref; ref = ref->next) {
 117                if (!check_ref_type(ref, flags))
 118                        continue;
 119                if (!tail_match(pattern, ref->name))
 120                        continue;
 121                if (show_symref_target && ref->symref)
 122                        printf("ref: %s\t%s\n", ref->symref, ref->name);
 123                printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
 124                status = 0; /* we found something */
 125        }
 126        return status;
 127}