Merge branch 'jn/maint-bundle'
[git] / builtin / ls-remote.c
1 #include "builtin.h"
2 #include "cache.h"
3 #include "transport.h"
4 #include "remote.h"
5
6 static 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  */
14 static 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
31 int 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 }