freshlybakedca.ke
Git fork
1/*
2 * Builtin "git commit-commit"
3 *
4 * Copyright (c) 2014 Michael J Gruber <git@drmicha.warpmail.net>
5 *
6 * Based on git-verify-tag
7 */
8#include "builtin.h"
9#include "config.h"
10#include "environment.h"
11#include "gettext.h"
12#include "object-name.h"
13#include "commit.h"
14#include "parse-options.h"
15#include "gpg-interface.h"
16
17static const char * const verify_commit_usage[] = {
18 N_("git verify-commit [-v | --verbose] [--raw] <commit>..."),
19 NULL
20};
21
22static int run_gpg_verify(struct commit *commit, unsigned flags)
23{
24 struct signature_check signature_check;
25 int ret;
26
27 memset(&signature_check, 0, sizeof(signature_check));
28
29 ret = check_commit_signature(commit, &signature_check);
30 print_signature_buffer(&signature_check, flags);
31
32 signature_check_clear(&signature_check);
33 return ret;
34}
35
36static int verify_commit(struct repository *repo, const char *name, unsigned flags)
37{
38 struct object_id oid;
39 struct object *obj;
40
41 if (repo_get_oid(repo, name, &oid))
42 return error("commit '%s' not found.", name);
43
44 obj = parse_object(repo, &oid);
45 if (!obj)
46 return error("%s: unable to read file.", name);
47 if (obj->type != OBJ_COMMIT)
48 return error("%s: cannot verify a non-commit object of type %s.",
49 name, type_name(obj->type));
50
51 return run_gpg_verify((struct commit *)obj, flags);
52}
53
54int cmd_verify_commit(int argc,
55 const char **argv,
56 const char *prefix,
57 struct repository *repo)
58{
59 int i = 1, verbose = 0, had_error = 0;
60 unsigned flags = 0;
61 const struct option verify_commit_options[] = {
62 OPT__VERBOSE(&verbose, N_("print commit contents")),
63 OPT_BIT(0, "raw", &flags, N_("print raw gpg status output"), GPG_VERIFY_RAW),
64 OPT_END()
65 };
66
67 repo_config(repo, git_default_config, NULL);
68
69 argc = parse_options(argc, argv, prefix, verify_commit_options,
70 verify_commit_usage, PARSE_OPT_KEEP_ARGV0);
71 if (argc <= i)
72 usage_with_options(verify_commit_usage, verify_commit_options);
73
74 if (verbose)
75 flags |= GPG_VERIFY_VERBOSE;
76
77 /* sometimes the program was terminated because this signal
78 * was received in the process of writing the gpg input: */
79 signal(SIGPIPE, SIG_IGN);
80 while (i < argc)
81 if (verify_commit(repo, argv[i++], flags))
82 had_error = 1;
83 return had_error;
84}