nix-rust: remove unused tar file code

nix-rust/Cargo.lock

@@ -1,84 +1,16 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "filetime"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "libc"
-version = "0.2.65"
+version = "0.2.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "nix-rust"
 version = "0.1.0"
 dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "tar 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "redox_syscall"
-version = "0.1.56"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "tar"
-version = "0.4.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "filetime 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "winapi"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "xattr"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [metadata]
-"checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+"checksum libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)" = "d515b1f41455adea1313a4a2ac8a8a477634fbae63cc6100e3aebb207ce61558"
-"checksum filetime 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "1ff6d4dab0aa0c8e6346d46052e93b13a16cf847b54ed357087c35011048cc7d"
-"checksum libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)" = "1a31a0627fdf1f6a39ec0dd577e101440b7db22672c0901fe00a9a6fbb5c24e8"
-"checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
-"checksum tar 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)" = "b3196bfbffbba3e57481b6ea32249fbaf590396a52505a2615adbb79d9d826d3"
-"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
-"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "244c3741f4240ef46274860397c7c74e50eb23624996930e484c16679633a54c"

nix-rust/Cargo.toml

@@ -9,5 +9,4 @@ name = "nixrust"
 crate-type = ["cdylib"]
 
 [dependencies]
-tar = "0.4"
 libc = "0.2"

nix-rust/src/lib.rs

@@ -1,6 +1,5 @@
 mod error;
 mod foreign;
-mod tarfile;
 
 pub use error::Error;
 
@@ -23,10 +22,3 @@ impl<T> CBox<T> {
     }
 }
 
-#[no_mangle]
-pub extern "C" fn unpack_tarfile(
-    source: foreign::Source,
-    dest_dir: &str,
-) -> CBox<Result<(), error::CppException>> {
-    CBox::new(tarfile::unpack_tarfile(source, dest_dir).map_err(|err| err.into()))
-}

nix-rust/src/tarfile.rs

@@ -1,46 +0,0 @@
-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(())
-}