pgm: rewrite parents when --parents flag is passed
According to [1], we should rewrite parents in RevWalkTextBuiltin when variable parents is true. [1] https://git-scm.com/docs/git-rev-list#Documentation/git-rev-list.txt---parents Change-Id: If5dca3b280366969d0488fa895bc37253a797394 Signed-off-by: kylezhao <kylezhao@tencent.com>
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/*
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* Copyright (C) 2021, kylezhao <kylezhao@tencent.com> and others.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Distribution License v. 1.0 which is available at
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* https://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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package org.eclipse.jgit.pgm;
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import static org.junit.Assert.assertEquals;
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import java.util.ArrayList;
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import java.util.List;
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import org.eclipse.jgit.api.Git;
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import org.eclipse.jgit.lib.CLIRepositoryTestCase;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.junit.Before;
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import org.junit.Test;
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public class RevListTest extends CLIRepositoryTestCase {
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private Git git;
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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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git = new Git(db);
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}
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@Test
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public void testWithParentsFlag() throws Exception {
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List<RevCommit> commits = createCommitsForParentsFlag(git);
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String result = toString(
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execute("git rev-list HEAD --parents -- Test.txt"));
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String expect = toString(
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commits.get(3).name() + ' ' + commits.get(1).name(),
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commits.get(1).name());
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assertEquals(expect, result);
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}
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@Test
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public void testWithoutParentsFlag() throws Exception {
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List<RevCommit> commits = createCommitsForParentsFlag(git);
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String result = toString(execute("git rev-list HEAD -- Test.txt"));
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String expect = toString(commits.get(3).name(), commits.get(1).name());
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assertEquals(expect, result);
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}
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private List<RevCommit> createCommitsForParentsFlag(Git git)
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throws Exception {
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List<RevCommit> commits = new ArrayList<>();
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writeTrashFile("Test1.txt", "Hello world");
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git.add().addFilepattern("Test1.txt").call();
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commits.add(git.commit().setMessage("commit#0").call());
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writeTrashFile("Test.txt", "Hello world!");
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git.add().addFilepattern("Test.txt").call();
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commits.add(git.commit().setMessage("commit#1").call());
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writeTrashFile("Test1.txt", "Hello world!!");
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git.add().addFilepattern("Test1.txt").call();
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commits.add(git.commit().setMessage("commit#2").call());
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writeTrashFile("Test.txt", "Hello world!!!");
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git.add().addFilepattern("Test.txt").call();
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commits.add(git.commit().setMessage("commit#3").call());
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return commits;
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}
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}
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@ -129,6 +129,9 @@ protected void run() throws Exception {
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walk.setTreeFilter(AndTreeFilter.create(pathFilter,
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TreeFilter.ANY_DIFF));
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}
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if (parents) {
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walk.setRewriteParents(true);
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}
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if (revLimiter.size() == 1)
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walk.setRevFilter(revLimiter.get(0));
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