Andrew's git - gitweb.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
   7static 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 */
  18static 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
  37int 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}