/*
 * Copyright 2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.configurationcache.extensions

import org.gradle.internal.hash.HashCode
import org.gradle.internal.vfs.FileSystemAccess
import java.io.File


internal
fun FileSystemAccess.hashCodeOf(file: File): HashCode? =
    readRegularFileContentHash(file.path) { hashCode -> hashCode }
        .orElse(null)
