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()? { let mut file = file?; let dest_file = dest_dir.join(file.path()?); fs::create_dir_all(dest_file.parent().unwrap())?; match file.header().entry_type() { tar::EntryType::Directory => { fs::create_dir(dest_file)?; } tar::EntryType::Regular => { let mode = if file.header().mode()? & (libc::S_IXUSR as u32) == 0 { 0o666 } else { 0o777 }; let mut f = fs::OpenOptions::new() .create(true) .write(true) .mode(mode) .open(dest_file)?; io::copy(&mut file, &mut f)?; } tar::EntryType::Symlink => { std::os::unix::fs::symlink(file.header().link_name()?.unwrap(), dest_file)?; } tar::EntryType::XGlobalHeader | tar::EntryType::XHeader => {} t => return Err(Error::Misc(format!("unsupported tar entry type '{:?}'", t))), } } Ok(()) }