Function add_gpg_user

commands.cpp:1213–1321

	out << std::endl;
}
int add_gpg_user (int argc, const char** argv)
{
	const char*		key_name = 0;
	bool			no_commit = false;
	bool			trusted = false;
	Options_list		options;
	options.push_back(Option_def("-k", &key_name));
	options.push_back(Option_def("--key-name", &key_name));
	options.push_back(Option_def("-n", &no_commit));
	options.push_back(Option_def("--no-commit", &no_commit));
	options.push_back(Option_def("--trusted", &trusted));

	int			argi = parse_options(options, argc, argv);
	if (argc - argi == 0) {
		std::clog << "Error: no GPG user ID specified" << std::endl;
		help_add_gpg_user(std::clog);
		return 2;
	}

	// build a list of key fingerprints, and whether the key is trusted, for every collaborator specified on the command line
	std::vector<std::pair<std::string, bool> >	collab_keys;

	for (int i = argi; i < argc; ++i) {
		std::vector<std::string> keys(gpg_lookup_key(argv[i]));
		if (keys.empty()) {
			std::clog << "Error: public key for '" << argv[i] << "' not found in your GPG keyring" << std::endl;
			return 1;
		}
		if (keys.size() > 1) {
			std::clog << "Error: more than one public key matches '" << argv[i] << "' - please be more specific" << std::endl;
			return 1;
		}

		const bool is_full_fingerprint(std::strncmp(argv[i], "0x", 2) == 0 && std::strlen(argv[i]) == 42);
		collab_keys.push_back(std::make_pair(keys[0], trusted || is_full_fingerprint));
	}

	// TODO: have a retroactive option to grant access to all key versions, not just the most recent
	Key_file			key_file;
	load_key(key_file, key_name);
	const Key_file::Entry*		key = key_file.get_latest();
	if (!key) {
		std::clog << "Error: key file is empty" << std::endl;
		return 1;
	}

	const std::string		state_path(get_repo_state_path());
	std::vector<std::string>	new_files;

	encrypt_repo_key(key_name, *key, collab_keys, get_repo_keys_path(state_path), &new_files);

	// Add a .gitatributes file to the repo state directory to prevent files in it from being encrypted.
	const std::string		state_gitattributes_path(state_path + "/.gitattributes");
	if (access(state_gitattributes_path.c_str(), F_OK) != 0) {
		std::ofstream		state_gitattributes_file(state_gitattributes_path.c_str());
		//                          |--------------------------------------------------------------------------------| 80 chars
		state_gitattributes_file << "# Do not edit this file.  To specify the files to encrypt, create your own\n";
		state_gitattributes_file << "# .gitattributes file in the directory where your files are.\n";