fetch: use heap buffer to format reflog
[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
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6static const char * const ls_remote_usage[] = {
7 N_("git ls-remote [--heads] [--tags] [--refs] [--upload-pack=<exec>]\n"
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8 " [-q | --quiet] [--exit-code] [--get-url]\n"
9 " [--symref] [<repository> [<refs>...]]"),
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10 NULL
11};
18705953 12
2ea7fe0d 13/*
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14 * Is there one among the list of patterns that match the tail part
15 * of the path?
2ea7fe0d 16 */
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17static int tail_match(const char **pattern, const char *path)
18{
2ea7fe0d 19 const char *p;
3d3c4f5d 20 char pathbuf[PATH_MAX];
2ea7fe0d 21
3d3c4f5d 22 if (!pattern)
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23 return 1; /* no restriction */
24
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25 if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf))
26 return error("insanely long ref %.*s...", 20, path);
27 while ((p = *(pattern++)) != NULL) {
eb07894f 28 if (!wildmatch(p, pathbuf, 0, NULL))
3d3c4f5d 29 return 1;
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30 }
31 return 0;
32}
33
8951d7c1 34int cmd_ls_remote(int argc, const char **argv, const char *prefix)
18705953 35{
18f7c51c 36 const char *dest = NULL;
2718ff09 37 unsigned flags = 0;
45781adb 38 int get_url = 0;
cefb2a5e 39 int quiet = 0;
a8724773 40 int status = 0;
99c08d4e 41 int show_symref_target = 0;
18f7c51c 42 const char *uploadpack = NULL;
2ea7fe0d 43 const char **pattern = NULL;
18f7c51c 44
7c2c6ee7 45 struct remote *remote;
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46 struct transport *transport;
47 const struct ref *ref;
e44eb3e4 48
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49 struct option options[] = {
50 OPT__QUIET(&quiet, N_("do not print remote URL")),
51 OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
52 N_("path of git-upload-pack on the remote host")),
53 { OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
54 N_("path of git-upload-pack on the remote host"),
55 PARSE_OPT_HIDDEN },
56 OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
57 OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
58 OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
59 OPT_BOOL(0, "get-url", &get_url,
60 N_("take url.<base>.insteadOf into account")),
61 OPT_SET_INT(0, "exit-code", &status,
62 N_("exit with exit code 2 if no matching refs are found"), 2),
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63 OPT_BOOL(0, "symref", &show_symref_target,
64 N_("show underlying ref in addition to the object pointed by it")),
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65 OPT_END()
66 };
91a640ff 67
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68 argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
69 PARSE_OPT_STOP_AT_NON_OPTION);
70 dest = argv[0];
18705953 71
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72 if (argc > 1) {
73 int i;
74 pattern = xcalloc(argc, sizeof(const char *));
75 for (i = 1; i < argc; i++)
76 pattern[i - 1] = xstrfmt("*/%s", argv[i]);
18705953 77 }
2718ff09 78
c1d45cf7 79 remote = remote_get(dest);
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80 if (!remote) {
81 if (dest)
82 die("bad repository '%s'", dest);
83 die("No remote configured to list refs from.");
84 }
c1d45cf7 85 if (!remote->url_nr)
7c2c6ee7 86 die("remote %s has no configured URL", dest);
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87
88 if (get_url) {
89 printf("%s\n", *remote->url);
90 return 0;
91 }
92
fb0cc87e 93 transport = transport_get(remote, NULL);
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94 if (uploadpack != NULL)
95 transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
96
97 ref = transport_get_remote_refs(transport);
27b4070e 98 if (transport_disconnect(transport))
18f7c51c 99 return 1;
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100
101 if (!dest && !quiet)
102 fprintf(stderr, "From %s\n", *remote->url);
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103 for ( ; ref; ref = ref->next) {
104 if (!check_ref_type(ref, flags))
105 continue;
106 if (!tail_match(pattern, ref->name))
107 continue;
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108 if (show_symref_target && ref->symref)
109 printf("ref: %s\t%s\n", ref->symref, ref->name);
110 printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
a8724773 111 status = 0; /* we found something */
18f7c51c 112 }
a8724773 113 return status;
18705953 114}