diff options
Diffstat (limited to 'builtin/verify-commit.c')
-rw-r--r-- | builtin/verify-commit.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/builtin/verify-commit.c b/builtin/verify-commit.c new file mode 100644 index 0000000..9680b58 --- /dev/null +++ b/builtin/verify-commit.c @@ -0,0 +1,83 @@ +/* + * Builtin "git commit-commit" + * + * Copyright (c) 2014 Michael J Gruber <git@drmicha.warpmail.net> + * + * Based on git-verify-tag + */ +#include "builtin.h" +#include "config.h" +#include "gettext.h" +#include "object-name.h" +#include "object-store-ll.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 (repo_get_oid(the_repository, 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; +} |