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use flate2::write::GzEncoder;
use std::{
fs::{self, File, OpenOptions},
io,
path::{Path, PathBuf},
};
#[derive(Debug, Clone)]
pub enum Compression {
None,
OnRotate(usize),
}
pub(crate) fn compress(path: &Path) -> io::Result<()> {
let dest_path = PathBuf::from(format!("{}.gz", path.display()));
let mut src_file = File::open(path)?;
let dest_file = OpenOptions::new()
.write(true)
.create(true)
.append(false)
.open(&dest_path)?;
assert!(path.exists());
assert!(dest_path.exists());
let mut encoder = GzEncoder::new(dest_file, flate2::Compression::default());
io::copy(&mut src_file, &mut encoder)?;
fs::remove_file(path)?;
Ok(())
}