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use anyhow::Context;
use serde::Serialize;
use std::fs::symlink_metadata;
use std::fs::Metadata;
use std::os::linux::fs::MetadataExt;
use std::path::{Path, PathBuf};
use structopt::StructOpt;
fn main() -> anyhow::Result<()> {
let mut opt = Opt::from_args();
opt.pathnames[..].sort();
for pathname in opt.pathnames {
report(&pathname).with_context(|| format!("{}", pathname.display()))?
}
Ok(())
}
#[derive(StructOpt, Debug)]
struct Opt {
#[structopt(parse(from_os_str))]
pathnames: Vec<PathBuf>,
}
#[derive(Serialize, Debug)]
struct Entry {
path: PathBuf,
atime: i64,
atime_nsec: i64,
#[serde(with = "mode")]
mode: u32,
mtime: i64,
mtime_nsec: i64,
nlink: u64,
size: Option<u64>,
}
impl Entry {
fn new(path: &Path, m: Metadata) -> Self {
Self {
path: path.to_path_buf(),
atime: m.st_atime(),
atime_nsec: m.st_atime_nsec(),
mode: m.st_mode(),
mtime: m.st_mtime(),
mtime_nsec: m.st_mtime_nsec(),
nlink: m.st_nlink(),
size: if m.is_dir() { None } else { Some(m.st_size()) },
}
}
}
fn report(pathname: &Path) -> anyhow::Result<()> {
let m = symlink_metadata(pathname)?;
let e = Entry::new(pathname, m);
println!("{}", serde_yaml::to_string(&e)?);
Ok(())
}
mod mode {
use serde::{self, Serializer};
pub fn serialize<S>(mode: &u32, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let s = unix_mode::to_string(*mode);
serializer.serialize_str(&s)
}
}
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