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/*
* Builtin "git commit-commit"
*
* Copyright (c) 2014 Michael J Gruber <git@drmicha.warpmail.net>
*
* Based on git-verify-tag
*/
#include "cache.h"
#include "config.h"
#include "builtin.h"
#include "object-store.h"
#include "repository.h"
#include "commit.h"
#include "run-command.h"
#include "parse-options.h"
#include "gpg-interface.h"
static const char * const verify_commit_usage[] = {
N_("git verify-commit [-v | --verbose] [--raw] <commit>..."),
NULL
};
static int run_gpg_verify(struct commit *commit, unsigned flags)
{
struct signature_check signature_check;
int ret;
memset(&signature_check, 0, sizeof(signature_check));
ret = check_commit_signature(commit, &signature_check);
print_signature_buffer(&signature_check, flags);
signature_check_clear(&signature_check);
return ret;
}
static int verify_commit(const char *name, unsigned flags)
{
struct object_id oid;
struct object *obj;
if (get_oid(name, &oid))
return error("commit '%s' not found.", name);
obj = parse_object(the_repository, &oid);
if (!obj)
return error("%s: unable to read file.", name);
if (obj->type != OBJ_COMMIT)
return error("%s: cannot verify a non-commit object of type %s.",
name, type_name(obj->type));
return run_gpg_verify((struct commit *)obj, flags);
}
int cmd_verify_commit(int argc, const char **argv, const char *prefix)
{
int i = 1, verbose = 0, had_error = 0;
unsigned flags = 0;
const struct option verify_commit_options[] = {
OPT__VERBOSE(&verbose, N_("print commit contents")),
OPT_BIT(0, "raw", &flags, N_("print raw gpg status output"), GPG_VERIFY_RAW),
OPT_END()
};
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, verify_commit_options,
verify_commit_usage, PARSE_OPT_KEEP_ARGV0);
if (argc <= i)
usage_with_options(verify_commit_usage, verify_commit_options);
if (verbose)
flags |= GPG_VERIFY_VERBOSE;
/* sometimes the program was terminated because this signal
* was received in the process of writing the gpg input: */
signal(SIGPIPE, SIG_IGN);
while (i < argc)
if (verify_commit(argv[i++], flags))
had_error = 1;
return had_error;
}
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