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