50 lines
1.7 KiB
Rust
50 lines
1.7 KiB
Rust
/*
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* meli - ui crate.
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*
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* Copyright 2019 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use std::fs::OpenOptions;
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use std::io::{Read, Write};
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use std::sync::{Arc, Mutex};
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thread_local!(static CMD_HISTORY_FILE: Arc<Mutex<std::fs::File>> = Arc::new(Mutex::new({
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let data_dir = xdg::BaseDirectories::with_prefix("meli").unwrap();
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OpenOptions::new().append(true) /* writes will append to a file instead of overwriting previous contents */
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.create(true) /* a new file will be created if the file does not yet already exist.*/
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.read(true)
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.open(data_dir.place_data_file("cmd_history").unwrap()).unwrap()
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})));
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pub fn log_cmd(mut cmd: String) {
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CMD_HISTORY_FILE.with(|f| {
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cmd.push('\n');
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f.lock().unwrap().write_all(cmd.as_bytes()).unwrap();
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});
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}
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pub fn old_cmd_history() -> Vec<String> {
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let mut ret = Vec::new();
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CMD_HISTORY_FILE.with(|f| {
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let mut old_history = String::new();
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f.lock().unwrap().read_to_string(&mut old_history).unwrap();
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ret.extend(old_history.lines().map(|s| s.to_string()));
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});
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ret
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}
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