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#include "refs.h"
   7
   8static const char * const ls_remote_usage[] = {
   9        N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
  10           "                     [-q | --quiet] [--exit-code] [--get-url]\n"
  11           "                     [--symref] [<repository> [<refs>...]]"),
  12        NULL
  13};
  14
  15/*
  16 * Is there one among the list of patterns that match the tail part
  17 * of the path?
  18 */
  19static int tail_match(const char **pattern, const char *path)
  20{
  21        const char *p;
  22        char *pathbuf;
  23
  24        if (!pattern)
  25                return 1; /* no restriction */
  26
  27        pathbuf = xstrfmt("/%s", path);
  28        while ((p = *(pattern++)) != NULL) {
  29                if (!wildmatch(p, pathbuf, 0)) {
  30                        free(pathbuf);
  31                        return 1;
  32                }
  33        }
  34        free(pathbuf);
  35        return 0;
  36}
  37
  38int cmd_ls_remote(int argc, const char **argv, const char *prefix)
  39{
  40        const char *dest = NULL;
  41        unsigned flags = 0;
  42        int get_url = 0;
  43        int quiet = 0;
  44        int status = 0;
  45        int show_symref_target = 0;
  46        const char *uploadpack = NULL;
  47        const char **pattern = NULL;
  48        struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
  49        int i;
  50
  51        struct remote *remote;
  52        struct transport *transport;
  53        const struct ref *ref;
  54        struct ref_array ref_array;
  55        static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
  56
  57        struct option options[] = {
  58                OPT__QUIET(&quiet, N_("do not print remote URL")),
  59                OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
  60                           N_("path of git-upload-pack on the remote host")),
  61                { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
  62                           N_("path of git-upload-pack on the remote host"),
  63                           PARSE_OPT_HIDDEN },
  64                OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
  65                OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
  66                OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
  67                OPT_BOOL(0, "get-url", &get_url,
  68                         N_("take url.<base>.insteadOf into account")),
  69                OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
  70                             N_("field name to sort on"), &parse_opt_ref_sorting),
  71                OPT_SET_INT_F(0, "exit-code", &status,
  72                              N_("exit with exit code 2 if no matching refs are found"),
  73                              2, PARSE_OPT_NOCOMPLETE),
  74                OPT_BOOL(0, "symref", &show_symref_target,
  75                         N_("show underlying ref in addition to the object pointed by it")),
  76                OPT_END()
  77        };
  78
  79        memset(&ref_array, 0, sizeof(ref_array));
  80
  81        argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
  82                             PARSE_OPT_STOP_AT_NON_OPTION);
  83        dest = argv[0];
  84
  85        if (argc > 1) {
  86                int i;
  87                pattern = xcalloc(argc, sizeof(const char *));
  88                for (i = 1; i < argc; i++) {
  89                        const char *glob;
  90                        pattern[i - 1] = xstrfmt("*/%s", argv[i]);
  91
  92                        glob = strchr(argv[i], '*');
  93                        if (glob)
  94                                argv_array_pushf(&ref_prefixes, "%.*s",
  95                                                 (int)(glob - argv[i]), argv[i]);
  96                        else
  97                                expand_ref_prefix(&ref_prefixes, argv[i]);
  98                }
  99        }
 100
 101        remote = remote_get(dest);
 102        if (!remote) {
 103                if (dest)
 104                        die("bad repository '%s'", dest);
 105                die("No remote configured to list refs from.");
 106        }
 107        if (!remote->url_nr)
 108                die("remote %s has no configured URL", dest);
 109
 110        if (get_url) {
 111                printf("%s\n", *remote->url);
 112                UNLEAK(sorting);
 113                return 0;
 114        }
 115
 116        transport = transport_get(remote, NULL);
 117        if (uploadpack != NULL)
 118                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 119
 120        ref = transport_get_remote_refs(transport, &ref_prefixes);
 121        if (transport_disconnect(transport)) {
 122                UNLEAK(sorting);
 123                return 1;
 124        }
 125
 126        if (!dest && !quiet)
 127                fprintf(stderr, "From %s\n", *remote->url);
 128        for ( ; ref; ref = ref->next) {
 129                struct ref_array_item *item;
 130                if (!check_ref_type(ref, flags))
 131                        continue;
 132                if (!tail_match(pattern, ref->name))
 133                        continue;
 134                item = ref_array_push(&ref_array, ref->name, &ref->old_oid);
 135                item->symref = xstrdup_or_null(ref->symref);
 136        }
 137
 138        if (sorting)
 139                ref_array_sort(sorting, &ref_array);
 140
 141        for (i = 0; i < ref_array.nr; i++) {
 142                const struct ref_array_item *ref = ref_array.items[i];
 143                if (show_symref_target && ref->symref)
 144                        printf("ref: %s\t%s\n", ref->symref, ref->refname);
 145                printf("%s\t%s\n", oid_to_hex(&ref->objectname), ref->refname);
 146                status = 0; /* we found something */
 147        }
 148
 149        UNLEAK(sorting);
 150        UNLEAK(ref_array);
 151        return status;
 152}