Merge branch 'nd/interpret-trailers-docfix'
[git] / builtin / verify-tag.c
1 /*
2  * Builtin "git verify-tag"
3  *
4  * Copyright (c) 2007 Carlos Rica <jasampler@gmail.com>
5  *
6  * Based on git-verify-tag.sh
7  */
8 #include "cache.h"
9 #include "config.h"
10 #include "builtin.h"
11 #include "tag.h"
12 #include "run-command.h"
13 #include <signal.h>
14 #include "parse-options.h"
15 #include "gpg-interface.h"
16 #include "ref-filter.h"
17
18 static const char * const verify_tag_usage[] = {
19                 N_("git verify-tag [-v | --verbose] [--format=<format>] <tag>..."),
20                 NULL
21 };
22
23 static int git_verify_tag_config(const char *var, const char *value, void *cb)
24 {
25         int status = git_gpg_config(var, value, cb);
26         if (status)
27                 return status;
28         return git_default_config(var, value, cb);
29 }
30
31 int cmd_verify_tag(int argc, const char **argv, const char *prefix)
32 {
33         int i = 1, verbose = 0, had_error = 0;
34         unsigned flags = 0;
35         struct ref_format format = REF_FORMAT_INIT;
36         const struct option verify_tag_options[] = {
37                 OPT__VERBOSE(&verbose, N_("print tag contents")),
38                 OPT_BIT(0, "raw", &flags, N_("print raw gpg status output"), GPG_VERIFY_RAW),
39                 OPT_STRING(0, "format", &format.format, N_("format"), N_("format to use for the output")),
40                 OPT_END()
41         };
42
43         git_config(git_verify_tag_config, NULL);
44
45         argc = parse_options(argc, argv, prefix, verify_tag_options,
46                              verify_tag_usage, PARSE_OPT_KEEP_ARGV0);
47         if (argc <= i)
48                 usage_with_options(verify_tag_usage, verify_tag_options);
49
50         if (verbose)
51                 flags |= GPG_VERIFY_VERBOSE;
52
53         if (format.format) {
54                 if (verify_ref_format(&format))
55                         usage_with_options(verify_tag_usage,
56                                            verify_tag_options);
57                 flags |= GPG_VERIFY_OMIT_STATUS;
58         }
59
60         while (i < argc) {
61                 struct object_id oid;
62                 const char *name = argv[i++];
63
64                 if (get_oid(name, &oid)) {
65                         had_error = !!error("tag '%s' not found.", name);
66                         continue;
67                 }
68
69                 if (gpg_verify_tag(&oid, name, flags)) {
70                         had_error = 1;
71                         continue;
72                 }
73
74                 if (format.format)
75                         pretty_print_ref(name, &oid, &format);
76         }
77         return had_error;
78 }