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
   6static const char * const ls_remote_usage[] = {
   7        N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
   8           "                     [-q | --quiet] [--exit-code] [--get-url] [<repository> [<refs>...]]"),
   9        NULL
  10};
  11
  12/*
  13 * Is there one among the list of patterns that match the tail part
  14 * of the path?
  15 */
  16static int tail_match(const char **pattern, const char *path)
  17{
  18        const char *p;
  19        char pathbuf[PATH_MAX];
  20
  21        if (!pattern)
  22                return 1; /* no restriction */
  23
  24        if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf))
  25                return error("insanely long ref %.*s...", 20, path);
  26        while ((p = *(pattern++)) != NULL) {
  27                if (!wildmatch(p, pathbuf, 0, NULL))
  28                        return 1;
  29        }
  30        return 0;
  31}
  32
  33int cmd_ls_remote(int argc, const char **argv, const char *prefix)
  34{
  35        const char *dest = NULL;
  36        unsigned flags = 0;
  37        int get_url = 0;
  38        int quiet = 0;
  39        int status = 0;
  40        const char *uploadpack = NULL;
  41        const char **pattern = NULL;
  42
  43        struct remote *remote;
  44        struct transport *transport;
  45        const struct ref *ref;
  46
  47        struct option options[] = {
  48                OPT__QUIET(&quiet, N_("do not print remote URL")),
  49                OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
  50                           N_("path of git-upload-pack on the remote host")),
  51                { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
  52                           N_("path of git-upload-pack on the remote host"),
  53                           PARSE_OPT_HIDDEN },
  54                OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
  55                OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
  56                OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
  57                OPT_BOOL(0, "get-url", &get_url,
  58                         N_("take url.<base>.insteadOf into account")),
  59                OPT_SET_INT(0, "exit-code", &status,
  60                            N_("exit with exit code 2 if no matching refs are found"), 2),
  61                OPT_END()
  62        };
  63
  64        argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
  65                             PARSE_OPT_STOP_AT_NON_OPTION);
  66        dest = argv[0];
  67
  68        if (argc > 1) {
  69                int i;
  70                pattern = xcalloc(argc, sizeof(const char *));
  71                for (i = 1; i < argc; i++)
  72                        pattern[i - 1] = xstrfmt("*/%s", argv[i]);
  73        }
  74
  75        remote = remote_get(dest);
  76        if (!remote) {
  77                if (dest)
  78                        die("bad repository '%s'", dest);
  79                die("No remote configured to list refs from.");
  80        }
  81        if (!remote->url_nr)
  82                die("remote %s has no configured URL", dest);
  83
  84        if (get_url) {
  85                printf("%s\n", *remote->url);
  86                return 0;
  87        }
  88
  89        transport = transport_get(remote, NULL);
  90        if (uploadpack != NULL)
  91                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
  92
  93        ref = transport_get_remote_refs(transport);
  94        if (transport_disconnect(transport))
  95                return 1;
  96
  97        if (!dest && !quiet)
  98                fprintf(stderr, "From %s\n", *remote->url);
  99        for ( ; ref; ref = ref->next) {
 100                if (!check_ref_type(ref, flags))
 101                        continue;
 102                if (!tail_match(pattern, ref->name))
 103                        continue;
 104                printf("%s      %s\n", oid_to_hex(&ref->old_oid), ref->name);
 105                status = 0; /* we found something */
 106        }
 107        return status;
 108}