| // Copyright 2024 The Bazel Authors. All rights reserved. | |
| // | |
| // 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 com.google.devtools.build.lib.vfs; | |
| /** | |
| * An interface implemented by file systems that support pinning files to a read-only snapshot. | |
| * | |
| * <p>This is used by {@link SymlinkTreeHelper} to obtain the underlying non-snapshotting file | |
| * system, so that symlink trees are not pinned to a read-only snapshot and reflect changes made | |
| * after the symlink tree was built. | |
| */ | |
| public interface SnapshottingFileSystem { | |
| /** Returns the underlying non-snapshotting file system. */ | |
| FileSystem getUnderlyingNonSnapshottingFileSystem(); | |
| } |