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Make <nix/unpack-channel.nix> a builtin builder

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This was the last function using a shell script, so this allows us to
get rid of tar, coreutils, bash etc.
This commit is contained in:
Eelco Dolstra 2019-03-27 23:40:35 +01:00
parent e60f6bd4ce
commit 045708db43
9 changed files with 55 additions and 84 deletions
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5
nix-rust/src/lib.rs
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@ -33,7 +33,7 @@ pub extern "C" fn unpack_tarfile(source: Source, dest_dir: &str) -> bool {
for file in tar.entries().unwrap() {
let mut file = file.unwrap();
let dest_file = dest_dir.join(file.header().path().unwrap());
let dest_file = dest_dir.join(file.path().unwrap());
fs::create_dir_all(dest_file.parent().unwrap()).unwrap();
@ -55,6 +55,9 @@ pub extern "C" fn unpack_tarfile(source: Source, dest_dir: &str) -> bool {
.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 => panic!("Unsupported tar entry type '{:?}'.", t),
}
}