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