// +build go1.10 package compress import ( "archive/tar" "time" ) func setHeaderFormat(header *tar.Header) { // We have to set the Format explicitly for the googlecompute-import // post-processor. Google Cloud only allows importing GNU tar format. header.Format = tar.FormatGNU header.AccessTime = time.Time{} header.ModTime = time.Time{} header.ChangeTime = time.Time{} }