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* stable-4.9: Prepare 4.7.3-SNAPSHOT builds JGit v4.7.2.201807261330-r Delete all loose refs empty directories Use java.nio to delete path to get detailed errors GC: Remove empty references folders Do not ignore path deletion errors Change-Id: Ie7029bc91621af32e7bfd2e0d76a424b991b1995 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>stable-4.10
Matthias Sohn
6 years ago
5 changed files with 189 additions and 2 deletions
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/* |
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* Copyright (C) 2018 Ericsson |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.internal.storage.file; |
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import static org.junit.Assert.assertFalse; |
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import static org.junit.Assert.assertTrue; |
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import java.io.IOException; |
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import java.nio.file.Files; |
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import java.nio.file.Path; |
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import java.nio.file.Paths; |
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import java.nio.file.attribute.FileTime; |
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import java.time.Instant; |
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import org.junit.Before; |
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import org.junit.Test; |
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public class GcDeleteEmptyRefsFoldersTest extends GcTestCase { |
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private static final String REF_FOLDER_01 = "A/B/01"; |
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private static final String REF_FOLDER_02 = "C/D/02"; |
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private Path refsDir; |
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private Path heads; |
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@Override |
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@Before |
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public void setUp() throws Exception { |
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super.setUp(); |
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refsDir = Paths.get(repo.getDirectory().getAbsolutePath()) |
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.resolve("refs"); |
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heads = refsDir.resolve("heads"); |
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} |
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@Test |
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public void emptyRefFoldersAreDeleted() throws Exception { |
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FileTime fileTime = FileTime.from(Instant.now().minusSeconds(31)); |
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Path refDir01 = Files.createDirectories(heads.resolve(REF_FOLDER_01)); |
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Path refDir02 = Files.createDirectories(heads.resolve(REF_FOLDER_02)); |
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setLastModifiedTime(fileTime, heads, REF_FOLDER_01); |
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setLastModifiedTime(fileTime, heads, REF_FOLDER_02); |
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assertTrue(refDir01.toFile().exists()); |
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assertTrue(refDir02.toFile().exists()); |
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gc.gc(); |
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assertFalse(refDir01.toFile().exists()); |
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assertFalse(refDir01.getParent().toFile().exists()); |
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assertFalse(refDir01.getParent().getParent().toFile().exists()); |
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assertFalse(refDir02.toFile().exists()); |
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assertFalse(refDir02.getParent().toFile().exists()); |
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assertFalse(refDir02.getParent().getParent().toFile().exists()); |
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} |
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private void setLastModifiedTime(FileTime fileTime, Path path, String folder) throws IOException { |
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long numParents = folder.chars().filter(c -> c == '/').count(); |
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Path folderPath = path.resolve(folder); |
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for(int folderLevel = 0; folderLevel <= numParents; folderLevel ++ ) { |
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Files.setLastModifiedTime(folderPath, fileTime); |
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folderPath = folderPath.getParent(); |
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} |
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} |
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@Test |
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public void emptyRefFoldersAreKeptIfTheyAreTooRecent() |
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throws Exception { |
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Path refDir01 = Files.createDirectories(heads.resolve(REF_FOLDER_01)); |
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Path refDir02 = Files.createDirectories(heads.resolve(REF_FOLDER_02)); |
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assertTrue(refDir01.toFile().exists()); |
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assertTrue(refDir02.toFile().exists()); |
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gc.gc(); |
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assertTrue(refDir01.toFile().exists()); |
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assertTrue(refDir02.toFile().exists()); |
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} |
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@Test |
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public void nonEmptyRefsFoldersAreKept() throws Exception { |
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Path refDir01 = Files.createDirectories(heads.resolve(REF_FOLDER_01)); |
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Path refDir02 = Files.createDirectories(heads.resolve(REF_FOLDER_02)); |
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Path ref01 = Files.createFile(refDir01.resolve("ref01")); |
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Path ref02 = Files.createFile(refDir01.resolve("ref02")); |
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assertTrue(refDir01.toFile().exists()); |
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assertTrue(refDir02.toFile().exists()); |
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assertTrue(ref01.toFile().exists()); |
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assertTrue(ref02.toFile().exists()); |
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gc.gc(); |
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assertTrue(refDir01.toFile().exists()); |
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assertTrue(refDir02.toFile().exists()); |
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assertTrue(ref01.toFile().exists()); |
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assertTrue(ref02.toFile().exists()); |
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} |
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} |
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