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 ls_remote_usage[] =
   7"git ls-remote [--heads] [--tags]  [-u <exec> | --upload-pack <exec>]\n"
   8"                     [-q|--quiet] [<repository> [<refs>...]]";
   9
  10/*
  11 * Is there one among the list of patterns that match the tail part
  12 * of the path?
  13 */
  14static int tail_match(const char **pattern, const char *path)
  15{
  16        const char *p;
  17        char pathbuf[PATH_MAX];
  18
  19        if (!pattern)
  20                return 1; /* no restriction */
  21
  22        if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf))
  23                return error("insanely long ref %.*s...", 20, path);
  24        while ((p = *(pattern++)) != NULL) {
  25                if (!fnmatch(p, pathbuf, 0))
  26                        return 1;
  27        }
  28        return 0;
  29}
  30
  31int cmd_ls_remote(int argc, const char **argv, const char *prefix)
  32{
  33        int i;
  34        const char *dest = NULL;
  35        int nongit;
  36        unsigned flags = 0;
  37        int quiet = 0;
  38        const char *uploadpack = NULL;
  39        const char **pattern = NULL;
  40
  41        struct remote *remote;
  42        struct transport *transport;
  43        const struct ref *ref;
  44
  45        setup_git_directory_gently(&nongit);
  46
  47        for (i = 1; i < argc; i++) {
  48                const char *arg = argv[i];
  49
  50                if (*arg == '-') {
  51                        if (!prefixcmp(arg, "--upload-pack=")) {
  52                                uploadpack = arg + 14;
  53                                continue;
  54                        }
  55                        if (!prefixcmp(arg, "--exec=")) {
  56                                uploadpack = arg + 7;
  57                                continue;
  58                        }
  59                        if (!strcmp("--tags", arg) || !strcmp("-t", arg)) {
  60                                flags |= REF_TAGS;
  61                                continue;
  62                        }
  63                        if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
  64                                flags |= REF_HEADS;
  65                                continue;
  66                        }
  67                        if (!strcmp("--refs", arg)) {
  68                                flags |= REF_NORMAL;
  69                                continue;
  70                        }
  71                        if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
  72                                quiet = 1;
  73                                continue;
  74                        }
  75                        usage(ls_remote_usage);
  76                }
  77                dest = arg;
  78                i++;
  79                break;
  80        }
  81
  82        if (argv[i]) {
  83                int j;
  84                pattern = xcalloc(sizeof(const char *), argc - i + 1);
  85                for (j = i; j < argc; j++) {
  86                        int len = strlen(argv[j]);
  87                        char *p = xmalloc(len + 3);
  88                        sprintf(p, "*/%s", argv[j]);
  89                        pattern[j - i] = p;
  90                }
  91        }
  92        remote = remote_get(dest);
  93        if (!remote) {
  94                if (dest)
  95                        die("bad repository '%s'", dest);
  96                die("No remote configured to list refs from.");
  97        }
  98        if (!remote->url_nr)
  99                die("remote %s has no configured URL", dest);
 100        transport = transport_get(remote, NULL);
 101        if (uploadpack != NULL)
 102                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 103
 104        ref = transport_get_remote_refs(transport);
 105        if (transport_disconnect(transport))
 106                return 1;
 107
 108        if (!dest && !quiet)
 109                fprintf(stderr, "From %s\n", *remote->url);
 110        for ( ; ref; ref = ref->next) {
 111                if (!check_ref_type(ref, flags))
 112                        continue;
 113                if (!tail_match(pattern, ref->name))
 114                        continue;
 115                printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
 116        }
 117        return 0;
 118}