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(0, "exit-code", &status,
  64                            N_("exit with exit code 2 if no matching refs are found"), 2),
  65                OPT_BOOL(0, "symref", &show_symref_target,
  66                         N_("show underlying ref in addition to the object pointed by it")),
  67                OPT_END()
  68        };
  69
  70        argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
  71                             PARSE_OPT_STOP_AT_NON_OPTION);
  72        dest = argv[0];
  73
  74        if (argc > 1) {
  75                int i;
  76                pattern = xcalloc(argc, sizeof(const char *));
  77                for (i = 1; i < argc; i++)
  78                        pattern[i - 1] = xstrfmt("*/%s", argv[i]);
  79        }
  80
  81        remote = remote_get(dest);
  82        if (!remote) {
  83                if (dest)
  84                        die("bad repository '%s'", dest);
  85                die("No remote configured to list refs from.");
  86        }
  87        if (!remote->url_nr)
  88                die("remote %s has no configured URL", dest);
  89
  90        if (get_url) {
  91                printf("%s\n", *remote->url);
  92                return 0;
  93        }
  94
  95        transport = transport_get(remote, NULL);
  96        if (uploadpack != NULL)
  97                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
  98
  99        ref = transport_get_remote_refs(transport);
 100        if (transport_disconnect(transport))
 101                return 1;
 102
 103        if (!dest && !quiet)
 104                fprintf(stderr, "From %s\n", *remote->url);
 105        for ( ; ref; ref = ref->next) {
 106                if (!check_ref_type(ref, flags))
 107                        continue;
 108                if (!tail_match(pattern, ref->name))
 109                        continue;
 110                if (show_symref_target && ref->symref)
 111                        printf("ref: %s\t%s\n", ref->symref, ref->name);
 112                printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
 113                status = 0; /* we found something */
 114        }
 115        return status;
 116}