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        unsigned flags = 0;
  36        int get_url = 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        for (i = 1; i < argc; i++) {
  46                const char *arg = argv[i];
  47
  48                if (*arg == '-') {
  49                        if (!prefixcmp(arg, "--upload-pack=")) {
  50                                uploadpack = arg + 14;
  51                                continue;
  52                        }
  53                        if (!prefixcmp(arg, "--exec=")) {
  54                                uploadpack = arg + 7;
  55                                continue;
  56                        }
  57                        if (!strcmp("--tags", arg) || !strcmp("-t", arg)) {
  58                                flags |= REF_TAGS;
  59                                continue;
  60                        }
  61                        if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
  62                                flags |= REF_HEADS;
  63                                continue;
  64                        }
  65                        if (!strcmp("--refs", arg)) {
  66                                flags |= REF_NORMAL;
  67                                continue;
  68                        }
  69                        if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
  70                                quiet = 1;
  71                                continue;
  72                        }
  73                        if (!strcmp("--get-url", arg)) {
  74                                get_url = 1;
  75                                continue;
  76                        }
  77                        usage(ls_remote_usage);
  78                }
  79                dest = arg;
  80                i++;
  81                break;
  82        }
  83
  84        if (argv[i]) {
  85                int j;
  86                pattern = xcalloc(sizeof(const char *), argc - i + 1);
  87                for (j = i; j < argc; j++) {
  88                        int len = strlen(argv[j]);
  89                        char *p = xmalloc(len + 3);
  90                        sprintf(p, "*/%s", argv[j]);
  91                        pattern[j - i] = p;
  92                }
  93        }
  94        remote = remote_get(dest);
  95        if (!remote) {
  96                if (dest)
  97                        die("bad repository '%s'", dest);
  98                die("No remote configured to list refs from.");
  99        }
 100        if (!remote->url_nr)
 101                die("remote %s has no configured URL", dest);
 102
 103        if (get_url) {
 104                printf("%s\n", *remote->url);
 105                return 0;
 106        }
 107
 108        transport = transport_get(remote, NULL);
 109        if (uploadpack != NULL)
 110                transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
 111
 112        ref = transport_get_remote_refs(transport);
 113        if (transport_disconnect(transport))
 114                return 1;
 115
 116        if (!dest && !quiet)
 117                fprintf(stderr, "From %s\n", *remote->url);
 118        for ( ; ref; ref = ref->next) {
 119                if (!check_ref_type(ref, flags))
 120                        continue;
 121                if (!tail_match(pattern, ref->name))
 122                        continue;
 123                printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
 124        }
 125        return 0;
 126}