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"                     [<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        const char *uploadpack = NULL;
  38        const char **pattern = NULL;
  39
  40        struct remote *remote;
  41        struct transport *transport;
  42        const struct ref *ref;
  43
  44        setup_git_directory_gently(&nongit);
  45
  46        for (i = 1; i < argc; i++) {
  47                const char *arg = argv[i];
  48
  49                if (*arg == '-') {
  50                        if (!prefixcmp(arg, "--upload-pack=")) {
  51                                uploadpack = arg + 14;
  52                                continue;
  53                        }
  54                        if (!prefixcmp(arg, "--exec=")) {
  55                                uploadpack = arg + 7;
  56                                continue;
  57                        }
  58                        if (!strcmp("--tags", arg) || !strcmp("-t", arg)) {
  59                                flags |= REF_TAGS;
  60                                continue;
  61                        }
  62                        if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
  63                                flags |= REF_HEADS;
  64                                continue;
  65                        }
  66                        if (!strcmp("--refs", arg)) {
  67                                flags |= REF_NORMAL;
  68                                continue;
  69                        }
  70                        usage(ls_remote_usage);
  71                }
  72                dest = arg;
  73                i++;
  74                break;
  75        }
  76
  77        if (argv[i]) {
  78                int j;
  79                pattern = xcalloc(sizeof(const char *), argc - i + 1);
  80                for (j = i; j < argc; j++) {
  81                        int len = strlen(argv[j]);
  82                        char *p = xmalloc(len + 3);
  83                        sprintf(p, "*/%s", argv[j]);
  84                        pattern[j - i] = p;
  85                }
  86        }
  87        remote = remote_get(dest);
  88        if (!remote) {
  89                if (dest)
  90                        die("bad repository '%s'", dest);
  91                die("No remote configured to list refs from.");
  92        }
  93        if (!remote->url_nr)
  94                die("remote %s has no configured URL", dest);
  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        for ( ; ref; ref = ref->next) {
 103                if (!check_ref_type(ref, flags))
 104                        continue;
 105                if (!tail_match(pattern, ref->name))
 106                        continue;
 107                printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
 108        }
 109        return 0;
 110}