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1   /*
2    * Copyright (C) 2011-2012, GitHub Inc.
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
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13   * without modification, are permitted provided that the following
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15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
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31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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43  package org.eclipse.jgit.api;
44  
45  import static org.junit.Assert.assertEquals;
46  import static org.junit.Assert.assertNotEquals;
47  import static org.junit.Assert.assertNotNull;
48  import static org.junit.Assert.assertNull;
49  import static org.junit.Assert.assertTrue;
50  import static org.junit.Assert.fail;
51  
52  import java.io.File;
53  import java.util.Date;
54  import java.util.List;
55  import java.util.TimeZone;
56  
57  import org.eclipse.jgit.api.errors.EmtpyCommitException;
58  import org.eclipse.jgit.api.errors.WrongRepositoryStateException;
59  import org.eclipse.jgit.diff.DiffEntry;
60  import org.eclipse.jgit.dircache.DirCache;
61  import org.eclipse.jgit.dircache.DirCacheBuilder;
62  import org.eclipse.jgit.dircache.DirCacheEntry;
63  import org.eclipse.jgit.junit.RepositoryTestCase;
64  import org.eclipse.jgit.lib.ConfigConstants;
65  import org.eclipse.jgit.lib.Constants;
66  import org.eclipse.jgit.lib.FileMode;
67  import org.eclipse.jgit.lib.ObjectId;
68  import org.eclipse.jgit.lib.PersonIdent;
69  import org.eclipse.jgit.lib.RefUpdate;
70  import org.eclipse.jgit.lib.RefUpdate.Result;
71  import org.eclipse.jgit.lib.ReflogEntry;
72  import org.eclipse.jgit.lib.Repository;
73  import org.eclipse.jgit.lib.StoredConfig;
74  import org.eclipse.jgit.revwalk.RevCommit;
75  import org.eclipse.jgit.submodule.SubmoduleWalk;
76  import org.eclipse.jgit.treewalk.TreeWalk;
77  import org.eclipse.jgit.treewalk.filter.TreeFilter;
78  import org.eclipse.jgit.util.FS;
79  import org.junit.Ignore;
80  import org.junit.Test;
81  
82  /**
83   * Unit tests of {@link CommitCommand}.
84   */
85  public class CommitCommandTest extends RepositoryTestCase {
86  
87  	@Test
88  	public void testExecutableRetention() throws Exception {
89  		StoredConfig config = db.getConfig();
90  		config.setBoolean(ConfigConstants.CONFIG_CORE_SECTION, null,
91  				ConfigConstants.CONFIG_KEY_FILEMODE, true);
92  		config.save();
93  
94  		FS executableFs = new FS() {
95  
96  			@Override
97  			public boolean supportsExecute() {
98  				return true;
99  			}
100 
101 			@Override
102 			public boolean setExecute(File f, boolean canExec) {
103 				return true;
104 			}
105 
106 			@Override
107 			public ProcessBuilder runInShell(String cmd, String[] args) {
108 				return null;
109 			}
110 
111 			@Override
112 			public boolean retryFailedLockFileCommit() {
113 				return false;
114 			}
115 
116 			@Override
117 			public FS newInstance() {
118 				return this;
119 			}
120 
121 			@Override
122 			protected File discoverGitExe() {
123 				return null;
124 			}
125 
126 			@Override
127 			public boolean canExecute(File f) {
128 				return true;
129 			}
130 
131 			@Override
132 			public boolean isCaseSensitive() {
133 				return true;
134 			}
135 		};
136 
137 		Git git = Git.open(db.getDirectory(), executableFs);
138 		String path = "a.txt";
139 		writeTrashFile(path, "content");
140 		git.add().addFilepattern(path).call();
141 		RevCommit commit1 = git.commit().setMessage("commit").call();
142 		TreeWalk walk = TreeWalk.forPath(db, path, commit1.getTree());
143 		assertNotNull(walk);
144 		assertEquals(FileMode.EXECUTABLE_FILE, walk.getFileMode(0));
145 
146 		FS nonExecutableFs = new FS() {
147 
148 			@Override
149 			public boolean supportsExecute() {
150 				return false;
151 			}
152 
153 			@Override
154 			public boolean setExecute(File f, boolean canExec) {
155 				return false;
156 			}
157 
158 			@Override
159 			public ProcessBuilder runInShell(String cmd, String[] args) {
160 				return null;
161 			}
162 
163 			@Override
164 			public boolean retryFailedLockFileCommit() {
165 				return false;
166 			}
167 
168 			@Override
169 			public FS newInstance() {
170 				return this;
171 			}
172 
173 			@Override
174 			protected File discoverGitExe() {
175 				return null;
176 			}
177 
178 			@Override
179 			public boolean canExecute(File f) {
180 				return false;
181 			}
182 
183 			@Override
184 			public boolean isCaseSensitive() {
185 				return true;
186 			}
187 		};
188 
189 		config = db.getConfig();
190 		config.setBoolean(ConfigConstants.CONFIG_CORE_SECTION, null,
191 				ConfigConstants.CONFIG_KEY_FILEMODE, false);
192 		config.save();
193 
194 		Git git2 = Git.open(db.getDirectory(), nonExecutableFs);
195 		writeTrashFile(path, "content2");
196 		RevCommit commit2 = git2.commit().setOnly(path).setMessage("commit2")
197 				.call();
198 		walk = TreeWalk.forPath(db, path, commit2.getTree());
199 		assertNotNull(walk);
200 		assertEquals(FileMode.EXECUTABLE_FILE, walk.getFileMode(0));
201 	}
202 
203 	@Test
204 	public void commitNewSubmodule() throws Exception {
205 		try (Git git = new Git(db)) {
206 			writeTrashFile("file.txt", "content");
207 			git.add().addFilepattern("file.txt").call();
208 			RevCommit commit = git.commit().setMessage("create file").call();
209 
210 			SubmoduleAddCommand command = new SubmoduleAddCommand(db);
211 			String path = "sub";
212 			command.setPath(path);
213 			String uri = db.getDirectory().toURI().toString();
214 			command.setURI(uri);
215 			Repository repo = command.call();
216 			assertNotNull(repo);
217 			addRepoToClose(repo);
218 
219 			SubmoduleWalk generator = SubmoduleWalk.forIndex(db);
220 			assertTrue(generator.next());
221 			assertEquals(path, generator.getPath());
222 			assertEquals(commit, generator.getObjectId());
223 			assertEquals(uri, generator.getModulesUrl());
224 			assertEquals(path, generator.getModulesPath());
225 			assertEquals(uri, generator.getConfigUrl());
226 			try (Repository subModRepo = generator.getRepository()) {
227 				assertNotNull(subModRepo);
228 			}
229 			assertEquals(commit, repo.resolve(Constants.HEAD));
230 
231 			RevCommit submoduleCommit = git.commit().setMessage("submodule add")
232 					.setOnly(path).call();
233 			assertNotNull(submoduleCommit);
234 			try (TreeWalk walk = new TreeWalk(db)) {
235 				walk.addTree(commit.getTree());
236 				walk.addTree(submoduleCommit.getTree());
237 				walk.setFilter(TreeFilter.ANY_DIFF);
238 				List<DiffEntry> diffs = DiffEntry.scan(walk);
239 				assertEquals(1, diffs.size());
240 				DiffEntry subDiff = diffs.get(0);
241 				assertEquals(FileMode.MISSING, subDiff.getOldMode());
242 				assertEquals(FileMode.GITLINK, subDiff.getNewMode());
243 				assertEquals(ObjectId.zeroId(), subDiff.getOldId().toObjectId());
244 				assertEquals(commit, subDiff.getNewId().toObjectId());
245 				assertEquals(path, subDiff.getNewPath());
246 			}
247 		}
248 	}
249 
250 	@Test
251 	public void commitSubmoduleUpdate() throws Exception {
252 		try (Git git = new Git(db)) {
253 			writeTrashFile("file.txt", "content");
254 			git.add().addFilepattern("file.txt").call();
255 			RevCommit commit = git.commit().setMessage("create file").call();
256 			writeTrashFile("file.txt", "content2");
257 			git.add().addFilepattern("file.txt").call();
258 			RevCommit commit2 = git.commit().setMessage("edit file").call();
259 
260 			SubmoduleAddCommand command = new SubmoduleAddCommand(db);
261 			String path = "sub";
262 			command.setPath(path);
263 			String uri = db.getDirectory().toURI().toString();
264 			command.setURI(uri);
265 			Repository repo = command.call();
266 			assertNotNull(repo);
267 			addRepoToClose(repo);
268 
269 			SubmoduleWalk generator = SubmoduleWalk.forIndex(db);
270 			assertTrue(generator.next());
271 			assertEquals(path, generator.getPath());
272 			assertEquals(commit2, generator.getObjectId());
273 			assertEquals(uri, generator.getModulesUrl());
274 			assertEquals(path, generator.getModulesPath());
275 			assertEquals(uri, generator.getConfigUrl());
276 			try (Repository subModRepo = generator.getRepository()) {
277 				assertNotNull(subModRepo);
278 			}
279 			assertEquals(commit2, repo.resolve(Constants.HEAD));
280 
281 			RevCommit submoduleAddCommit = git.commit().setMessage("submodule add")
282 					.setOnly(path).call();
283 			assertNotNull(submoduleAddCommit);
284 
285 			RefUpdate update = repo.updateRef(Constants.HEAD);
286 			update.setNewObjectId(commit);
287 			assertEquals(Result.FORCED, update.forceUpdate());
288 
289 			RevCommit submoduleEditCommit = git.commit()
290 					.setMessage("submodule add").setOnly(path).call();
291 			assertNotNull(submoduleEditCommit);
292 			try (TreeWalk walk = new TreeWalk(db)) {
293 				walk.addTree(submoduleAddCommit.getTree());
294 				walk.addTree(submoduleEditCommit.getTree());
295 				walk.setFilter(TreeFilter.ANY_DIFF);
296 				List<DiffEntry> diffs = DiffEntry.scan(walk);
297 				assertEquals(1, diffs.size());
298 				DiffEntry subDiff = diffs.get(0);
299 				assertEquals(FileMode.GITLINK, subDiff.getOldMode());
300 				assertEquals(FileMode.GITLINK, subDiff.getNewMode());
301 				assertEquals(commit2, subDiff.getOldId().toObjectId());
302 				assertEquals(commit, subDiff.getNewId().toObjectId());
303 				assertEquals(path, subDiff.getNewPath());
304 				assertEquals(path, subDiff.getOldPath());
305 			}
306 		}
307 	}
308 
309 	@Ignore("very flaky when run with Hudson")
310 	@Test
311 	public void commitUpdatesSmudgedEntries() throws Exception {
312 		try (Git git = new Git(db)) {
313 			File file1 = writeTrashFile("file1.txt", "content1");
314 			assertTrue(file1.setLastModified(file1.lastModified() - 5000));
315 			File file2 = writeTrashFile("file2.txt", "content2");
316 			assertTrue(file2.setLastModified(file2.lastModified() - 5000));
317 			File file3 = writeTrashFile("file3.txt", "content3");
318 			assertTrue(file3.setLastModified(file3.lastModified() - 5000));
319 
320 			assertNotNull(git.add().addFilepattern("file1.txt")
321 					.addFilepattern("file2.txt").addFilepattern("file3.txt").call());
322 			RevCommit commit = git.commit().setMessage("add files").call();
323 			assertNotNull(commit);
324 
325 			DirCache cache = DirCache.read(db.getIndexFile(), db.getFS());
326 			int file1Size = cache.getEntry("file1.txt").getLength();
327 			int file2Size = cache.getEntry("file2.txt").getLength();
328 			int file3Size = cache.getEntry("file3.txt").getLength();
329 			ObjectId file2Id = cache.getEntry("file2.txt").getObjectId();
330 			ObjectId file3Id = cache.getEntry("file3.txt").getObjectId();
331 			assertTrue(file1Size > 0);
332 			assertTrue(file2Size > 0);
333 			assertTrue(file3Size > 0);
334 
335 			// Smudge entries
336 			cache = DirCache.lock(db.getIndexFile(), db.getFS());
337 			cache.getEntry("file1.txt").setLength(0);
338 			cache.getEntry("file2.txt").setLength(0);
339 			cache.getEntry("file3.txt").setLength(0);
340 			cache.write();
341 			assertTrue(cache.commit());
342 
343 			// Verify entries smudged
344 			cache = DirCache.read(db.getIndexFile(), db.getFS());
345 			assertEquals(0, cache.getEntry("file1.txt").getLength());
346 			assertEquals(0, cache.getEntry("file2.txt").getLength());
347 			assertEquals(0, cache.getEntry("file3.txt").getLength());
348 
349 			long indexTime = db.getIndexFile().lastModified();
350 			db.getIndexFile().setLastModified(indexTime - 5000);
351 
352 			write(file1, "content4");
353 			assertTrue(file1.setLastModified(file1.lastModified() + 2500));
354 			assertNotNull(git.commit().setMessage("edit file").setOnly("file1.txt")
355 					.call());
356 
357 			cache = db.readDirCache();
358 			assertEquals(file1Size, cache.getEntry("file1.txt").getLength());
359 			assertEquals(file2Size, cache.getEntry("file2.txt").getLength());
360 			assertEquals(file3Size, cache.getEntry("file3.txt").getLength());
361 			assertEquals(file2Id, cache.getEntry("file2.txt").getObjectId());
362 			assertEquals(file3Id, cache.getEntry("file3.txt").getObjectId());
363 		}
364 	}
365 
366 	@Ignore("very flaky when run with Hudson")
367 	@Test
368 	public void commitIgnoresSmudgedEntryWithDifferentId() throws Exception {
369 		try (Git git = new Git(db)) {
370 			File file1 = writeTrashFile("file1.txt", "content1");
371 			assertTrue(file1.setLastModified(file1.lastModified() - 5000));
372 			File file2 = writeTrashFile("file2.txt", "content2");
373 			assertTrue(file2.setLastModified(file2.lastModified() - 5000));
374 
375 			assertNotNull(git.add().addFilepattern("file1.txt")
376 					.addFilepattern("file2.txt").call());
377 			RevCommit commit = git.commit().setMessage("add files").call();
378 			assertNotNull(commit);
379 
380 			DirCache cache = DirCache.read(db.getIndexFile(), db.getFS());
381 			int file1Size = cache.getEntry("file1.txt").getLength();
382 			int file2Size = cache.getEntry("file2.txt").getLength();
383 			assertTrue(file1Size > 0);
384 			assertTrue(file2Size > 0);
385 
386 			writeTrashFile("file2.txt", "content3");
387 			assertNotNull(git.add().addFilepattern("file2.txt").call());
388 			writeTrashFile("file2.txt", "content4");
389 
390 			// Smudge entries
391 			cache = DirCache.lock(db.getIndexFile(), db.getFS());
392 			cache.getEntry("file1.txt").setLength(0);
393 			cache.getEntry("file2.txt").setLength(0);
394 			cache.write();
395 			assertTrue(cache.commit());
396 
397 			// Verify entries smudged
398 			cache = db.readDirCache();
399 			assertEquals(0, cache.getEntry("file1.txt").getLength());
400 			assertEquals(0, cache.getEntry("file2.txt").getLength());
401 
402 			long indexTime = db.getIndexFile().lastModified();
403 			db.getIndexFile().setLastModified(indexTime - 5000);
404 
405 			write(file1, "content5");
406 			assertTrue(file1.setLastModified(file1.lastModified() + 1000));
407 
408 			assertNotNull(git.commit().setMessage("edit file").setOnly("file1.txt")
409 					.call());
410 
411 			cache = db.readDirCache();
412 			assertEquals(file1Size, cache.getEntry("file1.txt").getLength());
413 			assertEquals(0, cache.getEntry("file2.txt").getLength());
414 		}
415 	}
416 
417 	@Test
418 	public void commitAfterSquashMerge() throws Exception {
419 		try (Git git = new Git(db)) {
420 			writeTrashFile("file1", "file1");
421 			git.add().addFilepattern("file1").call();
422 			RevCommit first = git.commit().setMessage("initial commit").call();
423 
424 			assertTrue(new File(db.getWorkTree(), "file1").exists());
425 			createBranch(first, "refs/heads/branch1");
426 			checkoutBranch("refs/heads/branch1");
427 
428 			writeTrashFile("file2", "file2");
429 			git.add().addFilepattern("file2").call();
430 			git.commit().setMessage("second commit").call();
431 			assertTrue(new File(db.getWorkTree(), "file2").exists());
432 
433 			checkoutBranch("refs/heads/master");
434 
435 			MergeResult result = git.merge()
436 					.include(db.exactRef("refs/heads/branch1"))
437 					.setSquash(true)
438 					.call();
439 
440 			assertTrue(new File(db.getWorkTree(), "file1").exists());
441 			assertTrue(new File(db.getWorkTree(), "file2").exists());
442 			assertEquals(MergeResult.MergeStatus.FAST_FORWARD_SQUASHED,
443 					result.getMergeStatus());
444 
445 			// comment not set, should be inferred from SQUASH_MSG
446 			RevCommit squashedCommit = git.commit().call();
447 
448 			assertEquals(1, squashedCommit.getParentCount());
449 			assertNull(db.readSquashCommitMsg());
450 			assertEquals("commit: Squashed commit of the following:", db
451 					.getReflogReader(Constants.HEAD).getLastEntry().getComment());
452 			assertEquals("commit: Squashed commit of the following:", db
453 					.getReflogReader(db.getBranch()).getLastEntry().getComment());
454 		}
455 	}
456 
457 	@Test
458 	public void testReflogs() throws Exception {
459 		try (Git git = new Git(db)) {
460 			writeTrashFile("f", "1");
461 			git.add().addFilepattern("f").call();
462 			git.commit().setMessage("c1").call();
463 			writeTrashFile("f", "2");
464 			git.commit().setMessage("c2").setAll(true).setReflogComment(null)
465 					.call();
466 			writeTrashFile("f", "3");
467 			git.commit().setMessage("c3").setAll(true)
468 					.setReflogComment("testRl").call();
469 
470 			db.getReflogReader(Constants.HEAD).getReverseEntries();
471 
472 			assertEquals("testRl;commit (initial): c1;", reflogComments(
473 					db.getReflogReader(Constants.HEAD).getReverseEntries()));
474 			assertEquals("testRl;commit (initial): c1;", reflogComments(
475 					db.getReflogReader(db.getBranch()).getReverseEntries()));
476 		}
477 	}
478 
479 	private static String reflogComments(List<ReflogEntry> entries) {
480 		StringBuffer b = new StringBuffer();
481 		for (ReflogEntry e : entries) {
482 			b.append(e.getComment()).append(";");
483 		}
484 		return b.toString();
485 	}
486 
487 	@Test(expected = WrongRepositoryStateException.class)
488 	public void commitAmendOnInitialShouldFail() throws Exception {
489 		try (Git git = new Git(db)) {
490 			git.commit().setAmend(true).setMessage("initial commit").call();
491 		}
492 	}
493 
494 	@Test
495 	public void commitAmendWithoutAuthorShouldSetOriginalAuthorAndAuthorTime()
496 			throws Exception {
497 		try (Git git = new Git(db)) {
498 			writeTrashFile("file1", "file1");
499 			git.add().addFilepattern("file1").call();
500 
501 			final String authorName = "First Author";
502 			final String authorEmail = "author@example.org";
503 			final Date authorDate = new Date(1349621117000L);
504 			PersonIdent firstAuthor = new PersonIdent(authorName, authorEmail,
505 					authorDate, TimeZone.getTimeZone("UTC"));
506 			git.commit().setMessage("initial commit").setAuthor(firstAuthor).call();
507 
508 			RevCommit amended = git.commit().setAmend(true)
509 					.setMessage("amend commit").call();
510 
511 			PersonIdent amendedAuthor = amended.getAuthorIdent();
512 			assertEquals(authorName, amendedAuthor.getName());
513 			assertEquals(authorEmail, amendedAuthor.getEmailAddress());
514 			assertEquals(authorDate.getTime(), amendedAuthor.getWhen().getTime());
515 		}
516 	}
517 
518 	@Test
519 	public void commitAmendWithAuthorShouldUseIt() throws Exception {
520 		try (Git git = new Git(db)) {
521 			writeTrashFile("file1", "file1");
522 			git.add().addFilepattern("file1").call();
523 			git.commit().setMessage("initial commit").call();
524 
525 			RevCommit amended = git.commit().setAmend(true)
526 					.setAuthor("New Author", "newauthor@example.org")
527 					.setMessage("amend commit").call();
528 
529 			PersonIdent amendedAuthor = amended.getAuthorIdent();
530 			assertEquals("New Author", amendedAuthor.getName());
531 			assertEquals("newauthor@example.org", amendedAuthor.getEmailAddress());
532 		}
533 	}
534 
535 	@Test
536 	public void commitEmptyCommits() throws Exception {
537 		try (Git git = new Git(db)) {
538 
539 			writeTrashFile("file1", "file1");
540 			git.add().addFilepattern("file1").call();
541 			RevCommit initial = git.commit().setMessage("initial commit")
542 					.call();
543 
544 			RevCommit emptyFollowUp = git.commit()
545 					.setAuthor("New Author", "newauthor@example.org")
546 					.setMessage("no change").call();
547 
548 			assertNotEquals(initial.getId(), emptyFollowUp.getId());
549 			assertEquals(initial.getTree().getId(),
550 					emptyFollowUp.getTree().getId());
551 
552 			try {
553 				git.commit().setAuthor("New Author", "newauthor@example.org")
554 						.setMessage("again no change").setAllowEmpty(false)
555 						.call();
556 				fail("Didn't get the expected EmtpyCommitException");
557 			} catch (EmtpyCommitException e) {
558 				// expect this exception
559 			}
560 
561 			// Allow empty commits also when setOnly was set
562 			git.commit().setAuthor("New Author", "newauthor@example.org")
563 					.setMessage("again no change").setOnly("file1")
564 					.setAllowEmpty(true).call();
565 		}
566 	}
567 
568 	@Test
569 	public void commitOnlyShouldCommitUnmergedPathAndNotAffectOthers()
570 			throws Exception {
571 		DirCache index = db.lockDirCache();
572 		DirCacheBuilder builder = index.builder();
573 		addUnmergedEntry("unmerged1", builder);
574 		addUnmergedEntry("unmerged2", builder);
575 		DirCacheEntry other = new DirCacheEntry("other");
576 		other.setFileMode(FileMode.REGULAR_FILE);
577 		builder.add(other);
578 		builder.commit();
579 
580 		writeTrashFile("unmerged1", "unmerged1 data");
581 		writeTrashFile("unmerged2", "unmerged2 data");
582 		writeTrashFile("other", "other data");
583 
584 		assertEquals("[other, mode:100644]"
585 				+ "[unmerged1, mode:100644, stage:1]"
586 				+ "[unmerged1, mode:100644, stage:2]"
587 				+ "[unmerged1, mode:100644, stage:3]"
588 				+ "[unmerged2, mode:100644, stage:1]"
589 				+ "[unmerged2, mode:100644, stage:2]"
590 				+ "[unmerged2, mode:100644, stage:3]",
591 				indexState(0));
592 
593 		try (Git git = new Git(db)) {
594 			RevCommit commit = git.commit().setOnly("unmerged1")
595 					.setMessage("Only one file").call();
596 
597 			assertEquals("[other, mode:100644]" + "[unmerged1, mode:100644]"
598 					+ "[unmerged2, mode:100644, stage:1]"
599 					+ "[unmerged2, mode:100644, stage:2]"
600 					+ "[unmerged2, mode:100644, stage:3]",
601 					indexState(0));
602 
603 			try (TreeWalk walk = TreeWalk.forPath(db, "unmerged1", commit.getTree())) {
604 				assertEquals(FileMode.REGULAR_FILE, walk.getFileMode(0));
605 			}
606 		}
607 	}
608 
609 	@Test
610 	public void commitOnlyShouldHandleIgnored() throws Exception {
611 		try (Git git = new Git(db)) {
612 			writeTrashFile("subdir/foo", "Hello World");
613 			writeTrashFile("subdir/bar", "Hello World");
614 			writeTrashFile(".gitignore", "bar");
615 			git.add().addFilepattern("subdir").call();
616 			git.commit().setOnly("subdir").setMessage("first commit").call();
617 		}
618 	}
619 
620 	private static void addUnmergedEntry(String file, DirCacheBuilder builder) {
621 		DirCacheEntry stage1 = new DirCacheEntry(file, DirCacheEntry.STAGE_1);
622 		DirCacheEntry stage2 = new DirCacheEntry(file, DirCacheEntry.STAGE_2);
623 		DirCacheEntry stage3 = new DirCacheEntry(file, DirCacheEntry.STAGE_3);
624 		stage1.setFileMode(FileMode.REGULAR_FILE);
625 		stage2.setFileMode(FileMode.REGULAR_FILE);
626 		stage3.setFileMode(FileMode.REGULAR_FILE);
627 		builder.add(stage1);
628 		builder.add(stage2);
629 		builder.add(stage3);
630 	}
631 }