git.oblomov.eu Git - git/blob - builtin/ls-remote.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "transport.h"
   4 #include "remote.h"
   5
   6 static 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  */
  17 static 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
  36 int 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         struct argv_array ref_patterns = ARGV_ARRAY_INIT;
  47
  48         struct remote *remote;
  49         struct transport *transport;
  50         const struct ref *ref;
  51
  52         struct option options[] = {
  53                 OPT__QUIET(&quiet, N_("do not print remote URL")),
  54                 OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
  55                            N_("path of git-upload-pack on the remote host")),
  56                 { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
  57                            N_("path of git-upload-pack on the remote host"),
  58                            PARSE_OPT_HIDDEN },
  59                 OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
  60                 OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
  61                 OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
  62                 OPT_BOOL(0, "get-url", &get_url,
  63                          N_("take url.<base>.insteadOf into account")),
  64                 OPT_SET_INT_F(0, "exit-code", &status,
  65                               N_("exit with exit code 2 if no matching refs are found"),
  66                               2, PARSE_OPT_NOCOMPLETE),
  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                         pattern[i - 1] = xstrfmt("*/%s", argv[i]);
  81                         argv_array_push(&ref_patterns, argv[i]);
  82                 }
  83         }
  84
  85         remote = remote_get(dest);
  86         if (!remote) {
  87                 if (dest)
  88                         die("bad repository '%s'", dest);
  89                 die("No remote configured to list refs from.");
  90         }
  91         if (!remote->url_nr)
  92                 die("remote %s has no configured URL", dest);
  93
  94         if (get_url) {
  95                 printf("%s\n", *remote->url);
  96                 return 0;
  97         }
  98
  99         transport = transport_get(remote, NULL);
 100         if (uploadpack != NULL)
 101                 transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 102
 103         ref = transport_get_remote_refs(transport, &ref_patterns);
 104         if (transport_disconnect(transport))
 105                 return 1;
 106
 107         if (!dest && !quiet)
 108                 fprintf(stderr, "From %s\n", *remote->url);
 109         for ( ; ref; ref = ref->next) {
 110                 if (!check_ref_type(ref, flags))
 111                         continue;
 112                 if (!tail_match(pattern, ref->name))
 113                         continue;
 114                 if (show_symref_target && ref->symref)
 115                         printf("ref: %s\t%s\n", ref->symref, ref->name);
 116                 printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
 117                 status = 0; /* we found something */
 118         }
 119         return status;
 120 }