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

internal/compression/gzip.go

@@ -0,0 +1,30 @@
+//go:build linux || freebsd
+// +build linux freebsd
+
+package compression
+
+import (
+	"compress/gzip"
+	"io"
+)
+
+type gzipDecompressor struct{ *BaseDecompressor }
+
+func NewGzipDecompressor() *gzipDecompressor {
+	return &gzipDecompressor{NewBaseDecompressor("gzip", []string{"gzip"}, []string{".gz"})}
+}
+
+// ✅ Oprava: returns (io.Reader, error)
+func (g *gzipDecompressor) Reader(r io.Reader) (io.ReadCloser, error) {
+	return gzip.NewReader(r)
+}
+
+type gzipCompressor struct{ name string }
+
+func NewGzipCompressor() *gzipCompressor { return &gzipCompressor{name: "gzip"} }
+func (g *gzipCompressor) Name() string   { return g.name }
+func (g *gzipCompressor) Writer(w io.Writer) (io.WriteCloser, error) {
+	return gzip.NewWriter(w), nil
+}
+
+func init() { Register(NewGzipDecompressor()) }