Add option to disable gzip grpc-accept-encoding

client.go

@@ -169,6 +169,7 @@ func (c *Client[Req, Res]) newConn(ctx context.Context, streamType StreamType) S
 }
 
 type clientConfig struct {
+	GzipAcceptEncoding     bool
 	Protocol               protocol
 	Procedure              string
 	CompressMinBytes       int
@@ -185,16 +186,19 @@ type clientConfig struct {
 func newClientConfig(url string, options []ClientOption) (*clientConfig, *Error) {
 	protoPath := extractProtoPath(url)
 	config := clientConfig{
-		Protocol:         &protocolConnect{},
-		Procedure:        protoPath,
-		CompressionPools: make(map[string]*compressionPool),
-		BufferPool:       newBufferPool(),
+		Protocol:           &protocolConnect{},
+		Procedure:          protoPath,
+		CompressionPools:   make(map[string]*compressionPool),
+		BufferPool:         newBufferPool(),
+		GzipAcceptEncoding: true,
 	}
 	withProtoBinaryCodec().applyToClient(&config)
-	withGzip().applyToClient(&config)
 	for _, opt := range options {
 		opt.applyToClient(&config)
 	}
+	if config.GzipAcceptEncoding {
+		withGzip().applyToClient(&config)
+	}
 	if err := config.validate(); err != nil {
 		return nil, err
 	}

option.go

@@ -52,6 +52,15 @@ func WithAcceptCompression(
 	}
 }
 
+// WithGzipAcceptEncoding sets the Grpc-Accept-Encoding header to gzip when
+// enabled.
+// Defaults to true in connect.Client config.
+func WithGzipAcceptEncoding(enabled bool) ClientOption {
+	return &defaultAcceptEncodingOption{
+		gzip: enabled,
+	}
+}
+
 // WithClientOptions composes multiple ClientOptions into one.
 func WithClientOptions(options ...ClientOption) ClientOption {
 	return &clientOptionsOption{options}
@@ -367,6 +376,14 @@ func (o *grpcOption) applyToClient(config *clientConfig) {
 	config.Protocol = &protocolGRPC{web: o.web}
 }
 
+type defaultAcceptEncodingOption struct {
+	gzip bool
+}
+
+func (o *defaultAcceptEncodingOption) applyToClient(config *clientConfig) {
+	config.GzipAcceptEncoding = o.gzip
+}
+
 type interceptorsOption struct {
 	Interceptors []Interceptor
 }