Function status

commands.cpp:1514–1707

	out << std::endl;
}
int status (int argc, const char** argv)
{
	// Usage:
	//  git-crypt status -r [-z]			Show repo status
	//  git-crypt status [-e | -u] [-z] [FILE ...]	Show encrypted status of files
	//  git-crypt status -f				Fix unencrypted blobs

	bool		repo_status_only = false;	// -r show repo status only
	bool		show_encrypted_only = false;	// -e show encrypted files only
	bool		show_unencrypted_only = false;	// -u show unencrypted files only
	bool		fix_problems = false;		// -f fix problems
	bool		machine_output = false;		// -z machine-parseable output

	Options_list	options;
	options.push_back(Option_def("-r", &repo_status_only));
	options.push_back(Option_def("-e", &show_encrypted_only));
	options.push_back(Option_def("-u", &show_unencrypted_only));
	options.push_back(Option_def("-f", &fix_problems));
	options.push_back(Option_def("--fix", &fix_problems));
	options.push_back(Option_def("-z", &machine_output));

	int		argi = parse_options(options, argc, argv);

	if (repo_status_only) {
		if (show_encrypted_only || show_unencrypted_only) {
			std::clog << "Error: -e and -u options cannot be used with -r" << std::endl;
			return 2;
		}
		if (fix_problems) {
			std::clog << "Error: -f option cannot be used with -r" << std::endl;
			return 2;
		}
		if (argc - argi != 0) {
			std::clog << "Error: filenames cannot be specified when -r is used" << std::endl;
			return 2;
		}
	}

	if (show_encrypted_only && show_unencrypted_only) {
		std::clog << "Error: -e and -u options are mutually exclusive" << std::endl;
		return 2;
	}

	if (fix_problems && (show_encrypted_only || show_unencrypted_only)) {
		std::clog << "Error: -e and -u options cannot be used with -f" << std::endl;
		return 2;
	}

	if (machine_output) {
		// TODO: implement machine-parseable output
		std::clog << "Sorry, machine-parseable output is not yet implemented" << std::endl;
		return 2;
	}

	if (argc - argi == 0) {
		// TODO: check repo status:
		//	is it set up for git-crypt?
		//	which keys are unlocked?