t9300: factor out portable "head -c" replacement
[git/git-svn.git] / builtin / verify-tag.c
blob99f8148cf79bac1d636bfe35a93282f3da2ebfd7
1 /*
2 * Builtin "git verify-tag"
4 * Copyright (c) 2007 Carlos Rica <jasampler@gmail.com>
6 * Based on git-verify-tag.sh
7 */
8 #include "cache.h"
9 #include "builtin.h"
10 #include "tag.h"
11 #include "run-command.h"
12 #include <signal.h>
13 #include "parse-options.h"
14 #include "gpg-interface.h"
16 static const char * const verify_tag_usage[] = {
17 N_("git verify-tag [-v | --verbose] <tag>..."),
18 NULL
21 static int git_verify_tag_config(const char *var, const char *value, void *cb)
23 int status = git_gpg_config(var, value, cb);
24 if (status)
25 return status;
26 return git_default_config(var, value, cb);
29 int cmd_verify_tag(int argc, const char **argv, const char *prefix)
31 int i = 1, verbose = 0, had_error = 0;
32 unsigned flags = 0;
33 const struct option verify_tag_options[] = {
34 OPT__VERBOSE(&verbose, N_("print tag contents")),
35 OPT_BIT(0, "raw", &flags, N_("print raw gpg status output"), GPG_VERIFY_RAW),
36 OPT_END()
39 git_config(git_verify_tag_config, NULL);
41 argc = parse_options(argc, argv, prefix, verify_tag_options,
42 verify_tag_usage, PARSE_OPT_KEEP_ARGV0);
43 if (argc <= i)
44 usage_with_options(verify_tag_usage, verify_tag_options);
46 if (verbose)
47 flags |= GPG_VERIFY_VERBOSE;
49 while (i < argc) {
50 unsigned char sha1[20];
51 const char *name = argv[i++];
52 if (get_sha1(name, sha1))
53 had_error = !!error("tag '%s' not found.", name);
54 else if (gpg_verify_tag(sha1, name, flags))
55 had_error = 1;
57 return had_error;