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src/bin/pxar.rs - dump: allow to read from stdin

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This commit is contained in:
Dietmar Maurer 2019-07-05 12:32:15 +02:00
parent bf1252619a
commit c6c9e093d0
1 changed files with 22 additions and 11 deletions
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31
src/bin/pxar.rs
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@ -41,6 +41,18 @@ fn print_filenames(
Ok(Value::Null)
}
fn dump_archive_from_reader<R: std::io::Read>(reader: &mut R, feature_flags: u64) -> Result<(), Error> {
let mut decoder = pxar::SequentialDecoder::new(reader, feature_flags, |_| Ok(()));
let stdout = std::io::stdout();
let mut out = stdout.lock();
let mut path = PathBuf::new();
decoder.dump_entry(&mut path, true, &mut out)?;
Ok(())
}
fn dump_archive(
param: Value,
_info: &ApiMethod,
@ -51,9 +63,6 @@ fn dump_archive(
let with_xattrs = param["with-xattrs"].as_bool().unwrap_or(false);
let with_fcaps = param["with-fcaps"].as_bool().unwrap_or(false);
let with_acls = param["with-acls"].as_bool().unwrap_or(false);
let file = std::fs::File::open(archive)?;
let mut reader = std::io::BufReader::new(file);
let mut feature_flags = pxar::CA_FORMAT_DEFAULT;
if !with_xattrs {
@ -65,15 +74,17 @@ fn dump_archive(
if !with_acls {
feature_flags ^= pxar::CA_FORMAT_WITH_ACL;
}
let mut decoder = pxar::SequentialDecoder::new(&mut reader, feature_flags, |_| Ok(()));
let stdout = std::io::stdout();
let mut out = stdout.lock();
if archive == "-" {
let stdin = std::io::stdin();
let mut reader = stdin.lock();
dump_archive_from_reader(&mut reader, feature_flags)?;
} else {
println!("PXAR dump: {}", archive);
let mut path = PathBuf::new();
decoder.dump_entry(&mut path, true, &mut out)?;
let file = std::fs::File::open(archive)?;
let mut reader = std::io::BufReader::new(file);
dump_archive_from_reader(&mut reader, feature_flags)?;
};
Ok(Value::Null)
}