/// Manipulate history of interactive commands executed by the user.
int builtin_history(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
wchar_t *cmd = argv[0];
int argc = builtin_count_args(argv);
history_cmd_opts_t opts;
int optind;
int retval = parse_cmd_opts(opts, &optind, argc, argv, parser, streams);
if (retval != STATUS_CMD_OK) return retval;
if (opts.print_help) {
builtin_print_help(parser, streams, cmd, streams.out);
return STATUS_CMD_OK;
}
// Use the default history if we have none (which happens if invoked non-interactively, e.g.
// from webconfig.py.
history_t *history = reader_get_history();
if (!history) history = &history_t::history_with_name(L"fish");
// If a history command hasn't already been specified via a flag check the first word.
// Note that this can be simplified after we eliminate allowing subcommands as flags.
// See the TODO above regarding the `long_options` array.
if (optind < argc) {
hist_cmd_t subcmd = str_to_enum(argv[optind], hist_enum_map, hist_enum_map_len);
if (subcmd != HIST_UNDEF) {
if (!set_hist_cmd(cmd, &opts.hist_cmd, subcmd, streams)) {
return STATUS_INVALID_ARGS;
}
optind++;
}
}
// Every argument that we haven't consumed already is an argument for a subcommand (e.g., a
// search term).
const wcstring_list_t args(argv + optind, argv + argc);
// Establish appropriate defaults.
if (opts.hist_cmd == HIST_UNDEF) opts.hist_cmd = HIST_SEARCH;
if (!opts.history_search_type_defined) {
if (opts.hist_cmd == HIST_SEARCH) opts.search_type = HISTORY_SEARCH_TYPE_CONTAINS;
if (opts.hist_cmd == HIST_DELETE) opts.search_type = HISTORY_SEARCH_TYPE_EXACT;
}
int status = STATUS_CMD_OK;
switch (opts.hist_cmd) {
case HIST_SEARCH: {
if (!history->search(opts.search_type, args, opts.show_time_format, opts.max_items,
opts.case_sensitive, opts.null_terminate, streams)) {
status = STATUS_CMD_ERROR;
}
break;
}
case HIST_DELETE: {
// TODO: Move this code to the history module and support the other search types
// including case-insensitive matches. At this time we expect the non-exact deletions to
// be handled only by the history function's interactive delete feature.
if (opts.search_type != HISTORY_SEARCH_TYPE_EXACT) {
streams.err.append_format(_(L"builtin history delete only supports --exact\n"));
status = STATUS_INVALID_ARGS;
break;
}
if (!opts.case_sensitive) {
streams.err.append_format(
_(L"builtin history delete only supports --case-sensitive\n"));
status = STATUS_INVALID_ARGS;
break;
}
for (wcstring_list_t::const_iterator iter = args.begin(); iter != args.end(); ++iter) {
wcstring delete_string = *iter;
if (delete_string[0] == '"' && delete_string[delete_string.length() - 1] == '"') {
delete_string = delete_string.substr(1, delete_string.length() - 2);
}
history->remove(delete_string);
}
break;
}
case HIST_CLEAR: {
CHECK_FOR_UNEXPECTED_HIST_ARGS(opts.hist_cmd)
history->clear();
history->save();
break;
}
case HIST_MERGE: {
CHECK_FOR_UNEXPECTED_HIST_ARGS(opts.hist_cmd)
history->incorporate_external_changes();
break;
}
case HIST_SAVE: {
CHECK_FOR_UNEXPECTED_HIST_ARGS(opts.hist_cmd)
history->save();
break;
}
case HIST_UNDEF: {
DIE("Unexpected HIST_UNDEF seen");
break;
}
}
return status;
}
/// The status builtin. Gives various status information on fish.
int builtin_status(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
wchar_t *cmd = argv[0];
int argc = builtin_count_args(argv);
status_cmd_opts_t opts;
int optind;
int retval = parse_cmd_opts(opts, &optind, argc, argv, parser, streams);
if (retval != STATUS_CMD_OK) return retval;
if (opts.print_help) {
builtin_print_help(parser, streams, cmd, streams.out);
return STATUS_CMD_OK;
}
// If a status command hasn't already been specified via a flag check the first word.
// Note that this can be simplified after we eliminate allowing subcommands as flags.
if (optind < argc) {
status_cmd_t subcmd = str_to_enum(argv[optind], status_enum_map, status_enum_map_len);
if (subcmd != STATUS_UNDEF) {
if (!set_status_cmd(cmd, opts, subcmd, streams)) {
return STATUS_CMD_ERROR;
}
optind++;
} else {
streams.err.append_format(BUILTIN_ERR_INVALID_SUBCMD, cmd, argv[1]);
return STATUS_INVALID_ARGS;
}
}
// Every argument that we haven't consumed already is an argument for a subcommand.
const wcstring_list_t args(argv + optind, argv + argc);
switch (opts.status_cmd) {
case STATUS_UNDEF: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
if (is_login) {
streams.out.append_format(_(L"This is a login shell\n"));
} else {
streams.out.append_format(_(L"This is not a login shell\n"));
}
streams.out.append_format(
_(L"Job control: %ls\n"),
job_control_mode == JOB_CONTROL_INTERACTIVE
? _(L"Only on interactive jobs")
: (job_control_mode == JOB_CONTROL_NONE ? _(L"Never") : _(L"Always")));
streams.out.append(parser.stack_trace());
break;
}
case STATUS_SET_JOB_CONTROL: {
if (opts.new_job_control_mode != -1) {
// Flag form was used.
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
} else {
if (args.size() != 1) {
const wchar_t *subcmd_str = enum_to_str(opts.status_cmd, status_enum_map);
streams.err.append_format(BUILTIN_ERR_ARG_COUNT2, cmd, subcmd_str, 1,
args.size());
return STATUS_INVALID_ARGS;
}
opts.new_job_control_mode = job_control_str_to_mode(args[0].c_str(), cmd, streams);
if (opts.new_job_control_mode == -1) {
return STATUS_CMD_ERROR;
}
}
job_control_mode = opts.new_job_control_mode;
break;
}
case STATUS_FEATURES: {
print_features(streams);
break;
}
case STATUS_TEST_FEATURE: {
if (args.size() != 1) {
const wchar_t *subcmd_str = enum_to_str(opts.status_cmd, status_enum_map);
streams.err.append_format(BUILTIN_ERR_ARG_COUNT2, cmd, subcmd_str, 1, args.size());
return STATUS_INVALID_ARGS;
}
const auto *metadata = features_t::metadata_for(args.front().c_str());
if (!metadata) {
retval = TEST_FEATURE_NOT_RECOGNIZED;
} else {
retval = feature_test(metadata->flag) ? TEST_FEATURE_ON : TEST_FEATURE_OFF;
}
break;
}
case STATUS_FILENAME: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
const wchar_t *fn = parser.current_filename();
if (!fn) fn = _(L"Standard input");
streams.out.append_format(L"%ls\n", fn);
break;
}
case STATUS_FUNCTION: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
const wchar_t *fn = parser.get_function_name(opts.level);
if (!fn) fn = _(L"Not a function");
streams.out.append_format(L"%ls\n", fn);
break;
}
case STATUS_LINE_NUMBER: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
// TBD is how to interpret the level argument when fetching the line number.
// See issue #4161.
// streams.out.append_format(L"%d\n", parser.get_lineno(opts.level));
streams.out.append_format(L"%d\n", parser.get_lineno());
break;
}
case STATUS_IS_INTERACTIVE: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = !is_interactive_session;
break;
}
case STATUS_IS_COMMAND_SUB: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = !is_subshell;
break;
}
case STATUS_IS_BLOCK: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = !is_block;
break;
}
case STATUS_IS_BREAKPOINT: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = !is_breakpoint;
break;
}
case STATUS_IS_LOGIN: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = !is_login;
break;
}
case STATUS_IS_FULL_JOB_CTRL: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = job_control_mode != JOB_CONTROL_ALL;
break;
}
case STATUS_IS_INTERACTIVE_JOB_CTRL: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = job_control_mode != JOB_CONTROL_INTERACTIVE;
break;
}
case STATUS_IS_NO_JOB_CTRL: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
retval = job_control_mode != JOB_CONTROL_NONE;
break;
}
case STATUS_STACK_TRACE: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
streams.out.append(parser.stack_trace());
break;
}
case STATUS_CURRENT_CMD: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
// HACK: Go via the deprecated variable to get the command.
const auto var = env_get(L"_");
if (!var.missing_or_empty()) {
streams.out.append(var->as_string());
streams.out.push_back(L'\n');
} else {
streams.out.append(program_name);
streams.out.push_back(L'\n');
}
break;
}
case STATUS_FISH_PATH: {
CHECK_FOR_UNEXPECTED_STATUS_ARGS(opts.status_cmd)
streams.out.append(str2wcstring(get_executable_path("fish")));
streams.out.push_back(L'\n');
break;
}
}
return retval;
}
