git-clone documentation
[git] / peek-remote.c
1 #include "cache.h"
2 #include "refs.h"
3 #include "pkt-line.h"
4
5 static const char peek_remote_usage[] =
6 "git-peek-remote [--exec=upload-pack] [host:]directory";
7 static const char *exec = "git-upload-pack";
8
9 static int peek_remote(int fd[2], unsigned flags)
10 {
11         struct ref *ref;
12
13         get_remote_heads(fd[0], &ref, 0, NULL, flags);
14         packet_flush(fd[1]);
15
16         while (ref) {
17                 printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
18                 ref = ref->next;
19         }
20         return 0;
21 }
22
23 int main(int argc, char **argv)
24 {
25         int i, ret;
26         char *dest = NULL;
27         int fd[2];
28         pid_t pid;
29         int nongit = 0;
30         unsigned flags = 0;
31
32         setup_git_directory_gently(&nongit);
33
34         for (i = 1; i < argc; i++) {
35                 char *arg = argv[i];
36
37                 if (*arg == '-') {
38                         if (!strncmp("--exec=", arg, 7)) {
39                                 exec = arg + 7;
40                                 continue;
41                         }
42                         if (!strcmp("--tags", arg)) {
43                                 flags |= REF_TAGS;
44                                 continue;
45                         }
46                         if (!strcmp("--heads", arg)) {
47                                 flags |= REF_HEADS;
48                                 continue;
49                         }
50                         if (!strcmp("--refs", arg)) {
51                                 flags |= REF_NORMAL;
52                                 continue;
53                         }
54                         usage(peek_remote_usage);
55                 }
56                 dest = arg;
57                 break;
58         }
59
60         if (!dest || i != argc - 1)
61                 usage(peek_remote_usage);
62
63         pid = git_connect(fd, dest, exec);
64         if (pid < 0)
65                 return 1;
66         ret = peek_remote(fd, flags);
67         close(fd[0]);
68         close(fd[1]);
69         ret |= finish_connect(pid);
70         return !!ret;
71 }