ninja-builder 0.1.0

/*
 * Copyright 2020 Nikhil Marathe <nsm.nikhil@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use ninja_metrics::scoped_metric;
use std::{io::Result, path::Path, time::SystemTime};

pub trait DiskInterface {
    fn modified<P: AsRef<Path>>(&self, p: P) -> Result<SystemTime>;
}

pub struct SystemDiskInterface;
impl DiskInterface for SystemDiskInterface {
    fn modified<P: AsRef<Path>>(&self, p: P) -> Result<SystemTime> {
        scoped_metric!("stat");
        std::fs::metadata(p)?.modified()
    }
}