liquibase-core/src/main/java/liquibase/resource/FileSystemResourceAccessor.java
protected boolean isCompressedFile(Path path) {
        return path != null && (path.toString().startsWith("jar:") || path.toString().toLowerCase().endsWith(".jar") || path.toString().toLowerCase().endsWith(".zip"));
    }
protected boolean isCompressedFile(Path path) {
        return path != null && (path.toString().startsWith("jar:") || path.toString().toLowerCase().endsWith(".jar") || path.toString().toLowerCase().endsWith(".zip"));
    }
Returns true if the given path is a compressed file.