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* stable-4.9: BatchRefUpdate: repro racy atomic update, and fix it Delete unused FileTreeIteratorWithTimeControl Fix RacyGitTests#testRacyGitDetection Change RacyGitTests to create a racy git situation in a stable way Silence API warnings Change-Id: Id5bf44645655fca40ad22bb1f1ad20a7c2e8f6db Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>stable-4.10
Matthias Sohn
5 years ago
5 changed files with 165 additions and 271 deletions
@ -1,109 +0,0 @@
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/* |
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* Copyright (C) 2010, Christian Halstrick <christian.halstrick@sap.com> |
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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.treewalk; |
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import java.io.File; |
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import java.util.SortedSet; |
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import java.util.TreeSet; |
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import org.eclipse.jgit.lib.Config; |
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import org.eclipse.jgit.lib.ObjectReader; |
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import org.eclipse.jgit.lib.Repository; |
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import org.eclipse.jgit.util.FS; |
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/** |
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* A {@link FileTreeIterator} used in tests which allows to specify explicitly |
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* what will be returned by {@link #getEntryLastModified()}. This allows to |
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* write tests where certain files have to have the same modification time. |
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* <p> |
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* This iterator is configured by a list of strictly increasing long values |
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* t(0), t(1), ..., t(n). For each file with a modification between t(x) and |
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* t(x+1) [ t(x) <= time < t(x+1) ] this iterator will report t(x). For |
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* files with a modification time smaller t(0) a modification time of 0 is |
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* returned. For files with a modification time greater or equal t(n) t(n) will |
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* be returned. |
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* <p> |
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* This class was written especially to test racy-git problems |
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*/ |
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public class FileTreeIteratorWithTimeControl extends FileTreeIterator { |
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private TreeSet<Long> modTimes; |
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public FileTreeIteratorWithTimeControl(FileTreeIterator p, Repository repo, |
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TreeSet<Long> modTimes) { |
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super(p, repo.getWorkTree(), repo.getFS()); |
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this.modTimes = modTimes; |
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} |
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public FileTreeIteratorWithTimeControl(FileTreeIterator p, File f, FS fs, |
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TreeSet<Long> modTimes) { |
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super(p, f, fs); |
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this.modTimes = modTimes; |
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} |
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public FileTreeIteratorWithTimeControl(Repository repo, |
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TreeSet<Long> modTimes) { |
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super(repo); |
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this.modTimes = modTimes; |
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} |
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public FileTreeIteratorWithTimeControl(File f, FS fs, |
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TreeSet<Long> modTimes) { |
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super(f, fs, new Config().get(WorkingTreeOptions.KEY)); |
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this.modTimes = modTimes; |
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} |
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@Override |
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public AbstractTreeIterator createSubtreeIterator(final ObjectReader reader) { |
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return new FileTreeIteratorWithTimeControl(this, |
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((FileEntry) current()).getFile(), fs, modTimes); |
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} |
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@Override |
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public long getEntryLastModified() { |
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if (modTimes == null) |
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return 0; |
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Long cutOff = Long.valueOf(super.getEntryLastModified() + 1); |
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SortedSet<Long> head = modTimes.headSet(cutOff); |
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return head.isEmpty() ? 0 : head.last().longValue(); |
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} |
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} |
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