ls-remote: fall-back to default remotes when no remote specified
[git/git.git] / builtin / ls-remote.c
CommitLineData
18f7c51c 1#include "builtin.h"
18705953 2#include "cache.h"
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3#include "transport.h"
4#include "remote.h"
18705953 5
8951d7c1 6static const char ls_remote_usage[] =
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TRC
7"git ls-remote [--heads] [--tags] [-u <exec> | --upload-pack <exec>]\n"
8" [<repository> [<refs>...]]";
18705953 9
2ea7fe0d 10/*
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11 * Is there one among the list of patterns that match the tail part
12 * of the path?
2ea7fe0d 13 */
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14static int tail_match(const char **pattern, const char *path)
15{
2ea7fe0d 16 const char *p;
3d3c4f5d 17 char pathbuf[PATH_MAX];
2ea7fe0d 18
3d3c4f5d 19 if (!pattern)
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20 return 1; /* no restriction */
21
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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;
2ea7fe0d
JH
27 }
28 return 0;
29}
30
8951d7c1 31int cmd_ls_remote(int argc, const char **argv, const char *prefix)
18705953 32{
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DB
33 int i;
34 const char *dest = NULL;
af05d679 35 int nongit;
2718ff09 36 unsigned flags = 0;
18f7c51c 37 const char *uploadpack = NULL;
2ea7fe0d 38 const char **pattern = NULL;
18f7c51c 39
7c2c6ee7 40 struct remote *remote;
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41 struct transport *transport;
42 const struct ref *ref;
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43
44 setup_git_directory_gently(&nongit);
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45
46 for (i = 1; i < argc; i++) {
18f7c51c 47 const char *arg = argv[i];
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48
49 if (*arg == '-') {
599065a3 50 if (!prefixcmp(arg, "--upload-pack=")) {
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UKK
51 uploadpack = arg + 14;
52 continue;
53 }
599065a3 54 if (!prefixcmp(arg, "--exec=")) {
27dca07f 55 uploadpack = arg + 7;
2718ff09
LT
56 continue;
57 }
3e345269 58 if (!strcmp("--tags", arg) || !strcmp("-t", arg)) {
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LT
59 flags |= REF_TAGS;
60 continue;
61 }
3e345269 62 if (!strcmp("--heads", arg) || !strcmp("-h", arg)) {
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LT
63 flags |= REF_HEADS;
64 continue;
65 }
66 if (!strcmp("--refs", arg)) {
67 flags |= REF_NORMAL;
68 continue;
69 }
8951d7c1 70 usage(ls_remote_usage);
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71 }
72 dest = arg;
3d3c4f5d 73 i++;
18705953
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74 break;
75 }
2718ff09 76
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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 }
c1d45cf7 87 remote = remote_get(dest);
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88 if (!remote) {
89 if (dest)
90 die("bad repository '%s'", dest);
91 die("No remote configured to list refs from.");
92 }
c1d45cf7 93 if (!remote->url_nr)
7c2c6ee7 94 die("remote %s has no configured URL", dest);
fb0cc87e 95 transport = transport_get(remote, NULL);
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DB
96 if (uploadpack != NULL)
97 transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
98
99 ref = transport_get_remote_refs(transport);
27b4070e 100 if (transport_disconnect(transport))
18f7c51c 101 return 1;
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JH
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);
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DB
108 }
109 return 0;
18705953 110}