feat: initial goget release — modern IPv6-first download utility

internal/compression/zlib.go

@@ -0,0 +1,30 @@
+//go:build linux || freebsd
+// +build linux freebsd
+
+package compression
+
+import (
+	"compress/zlib"
+	"io"
+)
+
+type zlibDecompressor struct{ *BaseDecompressor }
+
+func NewZlibDecompressor() *zlibDecompressor {
+	return &zlibDecompressor{NewBaseDecompressor("zlib", []string{"deflate"}, []string{".zlib", ".zz"})}
+}
+
+// ✅ Oprava: returns (io.Reader, error)
+func (z *zlibDecompressor) Reader(r io.Reader) (io.ReadCloser, error) {
+	return zlib.NewReader(r)
+}
+
+type zlibCompressor struct{ name string }
+
+func NewZlibCompressor() *zlibCompressor { return &zlibCompressor{name: "zlib"} }
+func (z *zlibCompressor) Name() string   { return z.name }
+func (z *zlibCompressor) Writer(w io.Writer) (io.WriteCloser, error) {
+	return zlib.NewWriter(w), nil
+}
+
+func init() { Register(NewZlibDecompressor()) }