submodule: Use cat instead of echo to avoid DOS line-endings
[git/dscho.git] / builtin / ls-remote.c
blob41c88a98a2de1ce817351243f9aa9e2811604097
1 #include "builtin.h"
2 #include "cache.h"
3 #include "transport.h"
4 #include "remote.h"
6 static const char ls_remote_usage[] =
7 "git ls-remote [--heads] [--tags] [-u <exec> | --upload-pack <exec>]\n"
8 " [-q|--quiet] [--exit-code] [<repository> [<refs>...]]";
11 * Is there one among the list of patterns that match the tail part
12 * of the path?
14 static int tail_match(const char **pattern, const char *path)
16 const char *p;
17 char pathbuf[PATH_MAX];
19 if (!pattern)
20 return 1; /* no restriction */
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;
28 return 0;
31 int cmd_ls_remote(int argc, const char **argv, const char *prefix)
33 int i;
34 const char *dest = NULL;
35 unsigned flags = 0;
36 int get_url = 0;
37 int quiet = 0;
38 int status = 0;
39 const char *uploadpack = NULL;
40 const char **pattern = NULL;
42 struct remote *remote;
43 struct transport *transport;
44 const struct ref *ref;
46 if (argc == 2 && !strcmp("-h", argv[1]))
47 usage(ls_remote_usage);
49 for (i = 1; i < argc; i++) {
50 const char *arg = argv[i];
52 if (*arg == '-') {
53 if (!prefixcmp(arg, "--upload-pack=")) {
54 uploadpack = arg + 14;
55 continue;
57 if (!prefixcmp(arg, "--exec=")) {
58 uploadpack = arg + 7;
59 continue;
61 if (!strcmp("--tags", arg) || !strcmp("-t", arg)) {
62 flags |= REF_TAGS;
63 continue;
65 if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
66 flags |= REF_HEADS;
67 continue;
69 if (!strcmp("--refs", arg)) {
70 flags |= REF_NORMAL;
71 continue;
73 if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
74 quiet = 1;
75 continue;
77 if (!strcmp("--get-url", arg)) {
78 get_url = 1;
79 continue;
81 if (!strcmp("--exit-code", arg)) {
82 /* return this code if no refs are reported */
83 status = 2;
84 continue;
86 usage(ls_remote_usage);
88 dest = arg;
89 i++;
90 break;
93 if (argv[i]) {
94 int j;
95 pattern = xcalloc(sizeof(const char *), argc - i + 1);
96 for (j = i; j < argc; j++) {
97 int len = strlen(argv[j]);
98 char *p = xmalloc(len + 3);
99 sprintf(p, "*/%s", argv[j]);
100 pattern[j - i] = p;
103 remote = remote_get(dest);
104 if (!remote) {
105 if (dest)
106 die("bad repository '%s'", dest);
107 die("No remote configured to list refs from.");
109 if (!remote->url_nr)
110 die("remote %s has no configured URL", dest);
112 if (get_url) {
113 printf("%s\n", *remote->url);
114 return 0;
117 transport = transport_get(remote, NULL);
118 if (uploadpack != NULL)
119 transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
121 ref = transport_get_remote_refs(transport);
122 if (transport_disconnect(transport))
123 return 1;
125 if (!dest && !quiet)
126 fprintf(stderr, "From %s\n", *remote->url);
127 for ( ; ref; ref = ref->next) {
128 if (!check_ref_type(ref, flags))
129 continue;
130 if (!tail_match(pattern, ref->name))
131 continue;
132 printf("%s %s\n", sha1_to_hex(ref->old_sha1), ref->name);
133 status = 0; /* we found something */
135 return status;