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use anyhow::{Context, Result};
use flate2::read::{GzDecoder, ZlibDecoder};
use std::fs::File;
use std::path::Path;
use tar::Archive;
/// Decompress a zipped compressed file into its parent directory.
pub fn decompress_zip(source: &Path) -> Result<()> {
let file = File::open(source)?;
let mut zip = zip::ZipArchive::new(file)?;
let parent = source
.parent()
.context("decompress: source should have a parent")?;
zip.extract(parent)?;
Ok(())
}
/// Decompress a gz compressed file into its parent directory.
pub fn decompress_gz(source: &Path) -> Result<()> {
let tar_gz = File::open(source)?;
let tar = GzDecoder::new(tar_gz);
let mut archive = Archive::new(tar);
let parent = source
.parent()
.context("decompress: source should have a parent")?;
archive.unpack(parent)?;
Ok(())
}
/// Decompress a zlib compressed file into its parent directory.
pub fn decompress_xz(source: &Path) -> Result<()> {
let tar_xz = File::open(source)?;
let tar = ZlibDecoder::new(tar_xz);
let mut archive = Archive::new(tar);
let parent = source
.parent()
.context("decompress: source should have a parent")?;
archive.unpack(parent)?;
Ok(())
}
/// List files contained in a ZIP file.
/// Will return an error if the ZIP file is corrupted.
pub fn list_files_zip<P>(source: P) -> Result<Vec<String>>
where
P: AsRef<Path>,
{
let file = File::open(source)?;
let zip = zip::ZipArchive::new(file)?;
Ok(zip.file_names().map(|f| f.to_owned()).collect())
}
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