dorker 0.1.7

Docker for headless Android emulator environments
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use std::path::{Path, PathBuf};
use std::sync::atomic::{AtomicU32, Ordering};

/// Minimal self-cleaning temp directory so tests need no extra dependency.
pub struct Dir(PathBuf);

impl Dir {
    pub fn new() -> Self {
        static N: AtomicU32 = AtomicU32::new(0);
        let p = std::env::temp_dir().join(format!(
            "dorker-test-{}-{}",
            std::process::id(),
            N.fetch_add(1, Ordering::Relaxed)
        ));
        std::fs::create_dir_all(&p).unwrap();
        Dir(p)
    }

    pub fn path(&self) -> &Path {
        &self.0
    }
}

impl Drop for Dir {
    fn drop(&mut self) {
        let _ = std::fs::remove_dir_all(&self.0);
    }
}