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#include "rust-ffi.hh"
#include "compression.hh"
extern "C" {
rust::Result<std::tuple<>> *
unpack_tarfile(rust::Source source, rust::StringSlice dest_dir, rust::Result<std::tuple<>> & out);
}
namespace nix {
void unpackTarfile(Source & source, const Path & destDir)
{
rust::Source source2(source);
rust::Result<std::tuple<>> res;
unpack_tarfile(source2, destDir, res);
res.unwrap();
}
void unpackTarfile(const Path & tarFile, const Path & destDir,
std::optional<std::string> baseName)
{
if (!baseName) baseName = std::string(baseNameOf(tarFile));
auto source = sinkToSource([&](Sink & sink) {
// FIXME: look at first few bytes to determine compression type.
auto decompressor =
hasSuffix(*baseName, ".bz2") ? makeDecompressionSink("bzip2", sink) :
hasSuffix(*baseName, ".gz") ? makeDecompressionSink("gzip", sink) :
hasSuffix(*baseName, ".xz") ? makeDecompressionSink("xz", sink) :
makeDecompressionSink("none", sink);
readFile(tarFile, *decompressor);
decompressor->finish();
});
unpackTarfile(*source, destDir);
}
}
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