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use crate::{foreign::Source, Error};
use std::fs;
use std::io;
use std::os::unix::fs::OpenOptionsExt;
use std::path::Path;
use tar::Archive;
pub fn unpack_tarfile(source: Source, dest_dir: &str) -> Result<(), Error> {
let dest_dir = Path::new(dest_dir);
let mut tar = Archive::new(source);
for file in tar.entries().unwrap() {
let mut file = file.unwrap();
let dest_file = dest_dir.join(file.path().unwrap());
fs::create_dir_all(dest_file.parent().unwrap()).unwrap();
match file.header().entry_type() {
tar::EntryType::Directory => {
fs::create_dir(dest_file).unwrap();
}
tar::EntryType::Regular => {
let mode = if file.header().mode().unwrap() & libc::S_IXUSR == 0 {
0o666
} else {
0o777
};
let mut f = fs::OpenOptions::new()
.create(true)
.write(true)
.mode(mode)
.open(dest_file)
.unwrap();
io::copy(&mut file, &mut f).unwrap();
}
tar::EntryType::Symlink => {
std::os::unix::fs::symlink(file.header().link_name().unwrap().unwrap(), dest_file)
.unwrap();
}
t => return Err(Error::Misc(format!("unsupported tar entry type '{:?}'", t))),
}
}
Ok(())
}
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