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