Merge branch 'libarchive' of https://github.com/yorickvP/nix

nix-rust/src/c.rs

@@ -1,22 +1,4 @@
-use super::{
-    error,
-    foreign::{self},
-    store::path,
-    store::StorePath,
-    util,
-};
-
-#[no_mangle]
-pub unsafe extern "C" fn unpack_tarfile(
-    source: foreign::Source,
-    dest_dir: &str,
-    out: *mut Result<(), error::CppException>,
-) {
-    out.write(
-        util::tarfile::unpack_tarfile(source, std::path::Path::new(dest_dir))
-            .map_err(|err| err.into()),
-    );
-}
+use super::{error, store::path, store::StorePath, util};
 
 #[no_mangle]
 pub unsafe extern "C" fn ffi_String_new(s: &str, out: *mut String) {

nix-rust/src/foreign.rs

@@ -1,14 +0,0 @@
-/// A wrapper around Nix's Source class that provides the Read trait.
-#[repr(C)]
-pub struct Source {
-    fun: extern "C" fn(this: *mut libc::c_void, data: &mut [u8]) -> usize,
-    this: *mut libc::c_void,
-}
-
-impl std::io::Read for Source {
-    fn read(&mut self, buf: &mut [u8]) -> std::result::Result<usize, std::io::Error> {
-        let n = (self.fun)(self.this, buf);
-        assert!(n <= buf.len());
-        Ok(n)
-    }
-}

nix-rust/src/lib.rs

@@ -12,7 +12,6 @@ extern crate proptest;
 #[cfg(not(test))]
 mod c;
 mod error;
-mod foreign;
 #[cfg(unused)]
 mod nar;
 mod store;

nix-rust/src/util/mod.rs

@@ -1,2 +1 @@
 pub mod base32;
-pub mod tarfile;

nix-rust/src/util/tarfile.rs

@@ -1,56 +0,0 @@
-use crate::{foreign::Source, Error};
-use std::fs;
-use std::io;
-use std::os::unix::fs::OpenOptionsExt;
-use std::path::{Component, Path};
-use tar::Archive;
-
-pub fn unpack_tarfile(source: Source, dest_dir: &Path) -> Result<(), Error> {
-    fs::create_dir_all(dest_dir)?;
-
-    let mut tar = Archive::new(source);
-
-    for file in tar.entries()? {
-        let mut file = file?;
-
-        let path = file.path()?;
-
-        for i in path.components() {
-            if let Component::Prefix(_) | Component::RootDir | Component::ParentDir = i {
-                return Err(Error::BadTarFileMemberName(
-                    file.path()?.to_str().unwrap().to_string(),
-                ));
-            }
-        }
-
-        let dest_file = dest_dir.join(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(())
-}