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

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "transport.h"
   4 #include "ref-filter.h"
   5 #include "remote.h"
   6
   7 static 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  */
  18 static 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
  37 int 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         int i;
  48
  49         struct remote *remote;
  50         struct transport *transport;
  51         const struct ref *ref;
  52         struct ref_array ref_array;
  53         static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
  54
  55         struct option options[] = {
  56                 OPT__QUIET(&quiet, N_("do not print remote URL")),
  57                 OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
  58                            N_("path of git-upload-pack on the remote host")),
  59                 { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
  60                            N_("path of git-upload-pack on the remote host"),
  61                            PARSE_OPT_HIDDEN },
  62                 OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
  63                 OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
  64                 OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
  65                 OPT_BOOL(0, "get-url", &get_url,
  66                          N_("take url.<base>.insteadOf into account")),
  67                 OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
  68                              N_("field name to sort on"), &parse_opt_ref_sorting),
  69                 OPT_SET_INT_F(0, "exit-code", &status,
  70                               N_("exit with exit code 2 if no matching refs are found"),
  71                               2, PARSE_OPT_NOCOMPLETE),
  72                 OPT_BOOL(0, "symref", &show_symref_target,
  73                          N_("show underlying ref in addition to the object pointed by it")),
  74                 OPT_END()
  75         };
  76
  77         memset(&ref_array, 0, sizeof(ref_array));
  78
  79         argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
  80                              PARSE_OPT_STOP_AT_NON_OPTION);
  81         dest = argv[0];
  82
  83         if (argc > 1) {
  84                 int i;
  85                 pattern = xcalloc(argc, sizeof(const char *));
  86                 for (i = 1; i < argc; i++)
  87                         pattern[i - 1] = xstrfmt("*/%s", argv[i]);
  88         }
  89
  90         remote = remote_get(dest);
  91         if (!remote) {
  92                 if (dest)
  93                         die("bad repository '%s'", dest);
  94                 die("No remote configured to list refs from.");
  95         }
  96         if (!remote->url_nr)
  97                 die("remote %s has no configured URL", dest);
  98
  99         if (get_url) {
 100                 printf("%s\n", *remote->url);
 101                 UNLEAK(sorting);
 102                 return 0;
 103         }
 104
 105         transport = transport_get(remote, NULL);
 106         if (uploadpack != NULL)
 107                 transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 108
 109         ref = transport_get_remote_refs(transport);
 110         if (transport_disconnect(transport)) {
 111                 UNLEAK(sorting);
 112                 return 1;
 113         }
 114
 115         if (!dest && !quiet)
 116                 fprintf(stderr, "From %s\n", *remote->url);
 117         for ( ; ref; ref = ref->next) {
 118                 struct ref_array_item *item;
 119                 if (!check_ref_type(ref, flags))
 120                         continue;
 121                 if (!tail_match(pattern, ref->name))
 122                         continue;
 123                 item = ref_array_push(&ref_array, ref->name, &ref->old_oid);
 124                 item->symref = xstrdup_or_null(ref->symref);
 125         }
 126
 127         if (sorting)
 128                 ref_array_sort(sorting, &ref_array);
 129
 130         for (i = 0; i < ref_array.nr; i++) {
 131                 const struct ref_array_item *ref = ref_array.items[i];
 132                 if (show_symref_target && ref->symref)
 133                         printf("ref: %s\t%s\n", ref->symref, ref->refname);
 134                 printf("%s\t%s\n", oid_to_hex(&ref->objectname), ref->refname);
 135                 status = 0; /* we found something */
 136         }
 137
 138         UNLEAK(sorting);
 139         UNLEAK(ref_array);
 140         return status;
 141 }