Try

Author: eseliger

diff/parse.go

@@ -80,6 +80,9 @@ func (r *MultiFileDiffReader) ReadFile() (*FileDiff, error) {
 	// need to perform the check here.
 	hr := fr.HunksReader()
 	line, err := readLine(r.reader)
+	if err == io.EOF {
+		return fd, nil
+	}
 	if err != nil {
 		return fd, err
 	}