filesentry 0.1.0

robust (recursive) file watcher
Documentation 
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use std::time::SystemTime;

#[cfg(unix)]
use crate::path::CannonicalPath;

#[derive(Debug, PartialEq, Eq, Clone)]
pub struct Metadata {
    pub is_dir: bool,
    pub mtime: SystemTime,
    pub size: usize,
    pub inode: u64,
}

impl Metadata {
    #[cfg(unix)]
    pub fn for_path(path: &CannonicalPath) -> Option<Metadata> {
        use std::time::Duration;

        use rustix::fs::{FileType, lstat};
        use rustix::io::Errno;

        let stat = match lstat(path) {
            Ok(stat) => stat,
            Err(Errno::NOTDIR | Errno::NOENT) => {
                return None;
            }
            Err(err) => {
                log::error!("failed to stat {path:?}: {err}");
                return None;
            }
        };

        let mtime = Duration::new(stat.st_mtime as u64, stat.st_mtime_nsec as u32);
        let is_dir = match FileType::from_raw_mode(stat.st_mode) {
            FileType::RegularFile => false,
            FileType::Directory => true,
            _ => return None,
        };
        Some(Metadata {
            is_dir,
            mtime: SystemTime::UNIX_EPOCH + mtime,
            size: stat.st_size as usize,
            inode: stat.st_ino,
        })
    }
}