/* * Copyright (C) 2007, Dave Watson * Copyright (C) 2007-2010, Robin Rosenberg * Copyright (C) 2006-2008, Shawn O. Pearce * Copyright (C) 2010, Chris Aniszczyk and others * * This program and the accompanying materials are made available under the * terms of the Eclipse Distribution License v. 1.0 which is available at * https://www.eclipse.org/org/documents/edl-v10.php. * * SPDX-License-Identifier: BSD-3-Clause */ package org.eclipse.jgit.internal.storage.file; import static java.nio.charset.StandardCharsets.ISO_8859_1; import static java.nio.charset.StandardCharsets.UTF_8; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertThrows; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.time.Instant; import org.eclipse.jgit.errors.ConfigInvalidException; import org.eclipse.jgit.errors.IncorrectObjectTypeException; import org.eclipse.jgit.errors.MissingObjectException; import org.eclipse.jgit.internal.JGitText; import org.eclipse.jgit.lib.AnyObjectId; import org.eclipse.jgit.lib.CommitBuilder; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.FileMode; import org.eclipse.jgit.lib.ObjectDatabase; import org.eclipse.jgit.lib.ObjectId; import org.eclipse.jgit.lib.ObjectInserter; import org.eclipse.jgit.lib.PersonIdent; import org.eclipse.jgit.lib.RefUpdate; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.lib.TagBuilder; import org.eclipse.jgit.lib.TreeFormatter; import org.eclipse.jgit.revwalk.RevCommit; import org.eclipse.jgit.revwalk.RevTag; import org.eclipse.jgit.revwalk.RevWalk; import org.eclipse.jgit.storage.file.FileBasedConfig; import org.eclipse.jgit.storage.file.FileRepositoryBuilder; import org.eclipse.jgit.test.resources.SampleDataRepositoryTestCase; import org.eclipse.jgit.util.FS; import org.eclipse.jgit.util.FileUtils; import org.eclipse.jgit.util.IO; import org.junit.Test; public class T0003_BasicTest extends SampleDataRepositoryTestCase { @Test public void test001_Initalize() { final File gitdir = new File(trash, Constants.DOT_GIT); final File hooks = new File(gitdir, "hooks"); final File objects = new File(gitdir, Constants.OBJECTS); final File objects_pack = new File(objects, "pack"); final File objects_info = new File(objects, "info"); final File refs = new File(gitdir, "refs"); final File refs_heads = new File(refs, "heads"); final File refs_tags = new File(refs, "tags"); final File HEAD = new File(gitdir, "HEAD"); assertTrue("Exists " + trash, trash.isDirectory()); assertTrue("Exists " + hooks, hooks.isDirectory()); assertTrue("Exists " + objects, objects.isDirectory()); assertTrue("Exists " + objects_pack, objects_pack.isDirectory()); assertTrue("Exists " + objects_info, objects_info.isDirectory()); assertEquals(2L, objects.listFiles().length); assertTrue("Exists " + refs, refs.isDirectory()); assertTrue("Exists " + refs_heads, refs_heads.isDirectory()); assertTrue("Exists " + refs_tags, refs_tags.isDirectory()); assertTrue("Exists " + HEAD, HEAD.isFile()); assertEquals(23, HEAD.length()); } @Test public void test000_openRepoBadArgs() throws IOException { try { new FileRepositoryBuilder().build(); fail("Must pass either GIT_DIR or GIT_WORK_TREE"); } catch (IllegalArgumentException e) { assertEquals(JGitText.get().eitherGitDirOrWorkTreeRequired, e .getMessage()); } } /** * Check the default rules for looking up directories and files within a * repo when the gitDir is given. * * @throws IOException */ @Test public void test000_openrepo_default_gitDirSet() throws IOException { File repo1Parent = new File(trash.getParentFile(), "r1"); try (Repository repo1initial = new FileRepository( new File(repo1Parent, Constants.DOT_GIT))) { repo1initial.create(); } File theDir = new File(repo1Parent, Constants.DOT_GIT); try (FileRepository r = (FileRepository) new FileRepositoryBuilder() .setGitDir(theDir).build()) { assertEqualsPath(theDir, r.getDirectory()); assertEqualsPath(repo1Parent, r.getWorkTree()); assertEqualsPath(new File(theDir, "index"), r.getIndexFile()); assertEqualsPath(new File(theDir, Constants.OBJECTS), r.getObjectDatabase().getDirectory()); } } /** * Check that we can pass both a git directory and a work tree repo when the * gitDir is given. * * @throws IOException */ @Test public void test000_openrepo_default_gitDirAndWorkTreeSet() throws IOException { File repo1Parent = new File(trash.getParentFile(), "r1"); try (Repository repo1initial = new FileRepository( new File(repo1Parent, Constants.DOT_GIT))) { repo1initial.create(); } File theDir = new File(repo1Parent, Constants.DOT_GIT); try (FileRepository r = (FileRepository) new FileRepositoryBuilder() .setGitDir(theDir).setWorkTree(repo1Parent.getParentFile()) .build()) { assertEqualsPath(theDir, r.getDirectory()); assertEqualsPath(repo1Parent.getParentFile(), r.getWorkTree()); assertEqualsPath(new File(theDir, "index"), r.getIndexFile()); assertEqualsPath(new File(theDir, Constants.OBJECTS), r.getObjectDatabase().getDirectory()); } } /** * Check the default rules for looking up directories and files within a * repo when the workTree is given. * * @throws IOException */ @Test public void test000_openrepo_default_workDirSet() throws IOException { File repo1Parent = new File(trash.getParentFile(), "r1"); try (Repository repo1initial = new FileRepository( new File(repo1Parent, Constants.DOT_GIT))) { repo1initial.create(); } File theDir = new File(repo1Parent, Constants.DOT_GIT); try (FileRepository r = (FileRepository) new FileRepositoryBuilder() .setWorkTree(repo1Parent).build()) { assertEqualsPath(theDir, r.getDirectory()); assertEqualsPath(repo1Parent, r.getWorkTree()); assertEqualsPath(new File(theDir, "index"), r.getIndexFile()); assertEqualsPath(new File(theDir, Constants.OBJECTS), r.getObjectDatabase().getDirectory()); } } /** * Check that worktree config has an effect, given absolute path. * * @throws IOException */ @Test public void test000_openrepo_default_absolute_workdirconfig() throws IOException { File repo1Parent = new File(trash.getParentFile(), "r1"); File workdir = new File(trash.getParentFile(), "rw"); FileUtils.mkdir(workdir); try (FileRepository repo1initial = new FileRepository( new File(repo1Parent, Constants.DOT_GIT))) { repo1initial.create(); final FileBasedConfig cfg = repo1initial.getConfig(); cfg.setString("core", null, "worktree", workdir.getAbsolutePath()); cfg.save(); } File theDir = new File(repo1Parent, Constants.DOT_GIT); try (FileRepository r = (FileRepository) new FileRepositoryBuilder() .setGitDir(theDir).build()) { assertEqualsPath(theDir, r.getDirectory()); assertEqualsPath(workdir, r.getWorkTree()); assertEqualsPath(new File(theDir, "index"), r.getIndexFile()); assertEqualsPath(new File(theDir, Constants.OBJECTS), r.getObjectDatabase().getDirectory()); } } /** * Check that worktree config has an effect, given a relative path. * * @throws IOException */ @Test public void test000_openrepo_default_relative_workdirconfig() throws IOException { File repo1Parent = new File(trash.getParentFile(), "r1"); File workdir = new File(trash.getParentFile(), "rw"); FileUtils.mkdir(workdir); try (FileRepository repo1initial = new FileRepository( new File(repo1Parent, Constants.DOT_GIT))) { repo1initial.create(); final FileBasedConfig cfg = repo1initial.getConfig(); cfg.setString("core", null, "worktree", "../../rw"); cfg.save(); } File theDir = new File(repo1Parent, Constants.DOT_GIT); try (FileRepository r = (FileRepository) new FileRepositoryBuilder() .setGitDir(theDir).build()) { assertEqualsPath(theDir, r.getDirectory()); assertEqualsPath(workdir, r.getWorkTree()); assertEqualsPath(new File(theDir, "index"), r.getIndexFile()); assertEqualsPath(new File(theDir, Constants.OBJECTS), r.getObjectDatabase().getDirectory()); } } /** * Check that the given index file is honored and the alternate object * directories too * * @throws IOException */ @Test public void test000_openrepo_alternate_index_file_and_objdirs() throws IOException { File repo1Parent = new File(trash.getParentFile(), "r1"); File indexFile = new File(trash, "idx"); File objDir = new File(trash, "../obj"); File altObjDir = db.getObjectDatabase().getDirectory(); try (Repository repo1initial = new FileRepository( new File(repo1Parent, Constants.DOT_GIT))) { repo1initial.create(); } File theDir = new File(repo1Parent, Constants.DOT_GIT); try (FileRepository r = (FileRepository) new FileRepositoryBuilder() // .setGitDir(theDir).setObjectDirectory(objDir) // .addAlternateObjectDirectory(altObjDir) // .setIndexFile(indexFile) // .build()) { assertEqualsPath(theDir, r.getDirectory()); assertEqualsPath(theDir.getParentFile(), r.getWorkTree()); assertEqualsPath(indexFile, r.getIndexFile()); assertEqualsPath(objDir, r.getObjectDatabase().getDirectory()); assertNotNull(r.open(ObjectId .fromString("6db9c2ebf75590eef973081736730a9ea169a0c4"))); } } protected void assertEqualsPath(File expected, File actual) throws IOException { assertEquals(expected.getCanonicalPath(), actual.getCanonicalPath()); } @Test public void test002_WriteEmptyTree() throws IOException { // One of our test packs contains the empty tree object. If the pack is // open when we create it we won't write the object file out as a loose // object (as it already exists in the pack). // try (Repository newdb = createBareRepository()) { try (ObjectInserter oi = newdb.newObjectInserter()) { final ObjectId treeId = oi.insert(new TreeFormatter()); assertEquals("4b825dc642cb6eb9a060e54bf8d69288fbee4904", treeId.name()); } final File o = new File( new File(new File(newdb.getDirectory(), Constants.OBJECTS), "4b"), "825dc642cb6eb9a060e54bf8d69288fbee4904"); assertTrue("Exists " + o, o.isFile()); assertTrue("Read-only " + o, !o.canWrite()); } } @Test public void test002_WriteEmptyTree2() throws IOException { // File shouldn't exist as it is in a test pack. // final ObjectId treeId = insertTree(new TreeFormatter()); assertEquals("4b825dc642cb6eb9a060e54bf8d69288fbee4904", treeId.name()); final File o = new File(new File( new File(db.getDirectory(), Constants.OBJECTS), "4b"), "825dc642cb6eb9a060e54bf8d69288fbee4904"); assertFalse("Exists " + o, o.isFile()); } @Test public void test002_CreateBadTree() throws Exception { // We won't create a tree entry with an empty filename // final TreeFormatter formatter = new TreeFormatter(); assertThrows(JGitText.get().invalidTreeZeroLengthName, IllegalArgumentException.class, () -> formatter.append("", FileMode.TREE, ObjectId.fromString( "4b825dc642cb6eb9a060e54bf8d69288fbee4904"))); } @Test public void test006_ReadUglyConfig() throws IOException, ConfigInvalidException { final File cfg = new File(db.getDirectory(), Constants.CONFIG); final FileBasedConfig c = new FileBasedConfig(cfg, db.getFS()); final String configStr = " [core];comment\n\tfilemode = yes\n" + "[user]\n" + " email = A U Thor # Just an example...\n" + " name = \"A Thor \\\\ \\\"\\t \"\n" + " defaultCheckInComment = a many line\\n\\\ncomment\\n\\\n" + " to test\n"; write(cfg, configStr); c.load(); assertEquals("yes", c.getString("core", null, "filemode")); assertEquals("A U Thor ", c.getString("user", null, "email")); assertEquals("A Thor \\ \"\t ", c.getString("user", null, "name")); assertEquals("a many line\ncomment\n to test", c.getString("user", null, "defaultCheckInComment")); c.save(); // Saving normalizes out the weird "\\n\\\n" to a single escaped newline, // and quotes the whole string. final String expectedStr = " [core];comment\n\tfilemode = yes\n" + "[user]\n" + " email = A U Thor # Just an example...\n" + " name = \"A Thor \\\\ \\\"\\t \"\n" + " defaultCheckInComment = a many line\\ncomment\\n to test\n"; assertEquals(expectedStr, new String(IO.readFully(cfg), UTF_8)); } @Test public void test007_Open() throws IOException { try (FileRepository db2 = new FileRepository(db.getDirectory())) { assertEquals(db.getDirectory(), db2.getDirectory()); assertEquals(db.getObjectDatabase().getDirectory(), db2 .getObjectDatabase().getDirectory()); assertNotSame(db.getConfig(), db2.getConfig()); } } @Test public void test008_FailOnWrongVersion() throws IOException { final File cfg = new File(db.getDirectory(), Constants.CONFIG); final String badvers = "ihopethisisneveraversion"; final String configStr = "[core]\n" + "\trepositoryFormatVersion=" + badvers + "\n"; write(cfg, configStr); try (FileRepository unused = new FileRepository(db.getDirectory())) { fail("incorrectly opened a bad repository"); } catch (IllegalArgumentException ioe) { assertNotNull(ioe.getMessage()); } } @Test public void test009_CreateCommitOldFormat() throws IOException { final ObjectId treeId = insertTree(new TreeFormatter()); final CommitBuilder c = new CommitBuilder(); c.setAuthor(new PersonIdent(author, 1154236443000L, -4 * 60)); c.setCommitter(new PersonIdent(committer, 1154236443000L, -4 * 60)); c.setMessage("A Commit\n"); c.setTreeId(treeId); assertEquals(treeId, c.getTreeId()); ObjectId actid = insertCommit(c); final ObjectId cmtid = ObjectId .fromString("9208b2459ea6609a5af68627cc031796d0d9329b"); assertEquals(cmtid, actid); // Verify the commit we just wrote is in the correct format. ObjectDatabase odb = db.getObjectDatabase(); assertTrue("is ObjectDirectory", odb instanceof ObjectDirectory); try (XInputStream xis = new XInputStream( new FileInputStream(((ObjectDirectory) odb).fileFor(cmtid)))) { assertEquals(0x78, xis.readUInt8()); assertEquals(0x9c, xis.readUInt8()); assertEquals(0, 0x789c % 31); } // Verify we can read it. RevCommit c2 = parseCommit(actid); assertNotNull(c2); assertEquals(c.getMessage(), c2.getFullMessage()); assertEquals(c.getTreeId(), c2.getTree()); assertEquals(c.getAuthor(), c2.getAuthorIdent()); assertEquals(c.getCommitter(), c2.getCommitterIdent()); } @Test public void test020_createBlobTag() throws IOException { final ObjectId emptyId = insertEmptyBlob(); final TagBuilder t = new TagBuilder(); t.setObjectId(emptyId, Constants.OBJ_BLOB); t.setTag("test020"); t.setTagger(new PersonIdent(author, 1154236443000L, -4 * 60)); t.setMessage("test020 tagged\n"); ObjectId actid = insertTag(t); assertEquals("6759556b09fbb4fd8ae5e315134481cc25d46954", actid.name()); RevTag mapTag = parseTag(actid); assertEquals(Constants.OBJ_BLOB, mapTag.getObject().getType()); assertEquals("test020 tagged\n", mapTag.getFullMessage()); assertEquals(new PersonIdent(author, 1154236443000L, -4 * 60), mapTag .getTaggerIdent()); assertEquals("e69de29bb2d1d6434b8b29ae775ad8c2e48c5391", mapTag .getObject().getId().name()); } @Test public void test021_createTreeTag() throws IOException { final ObjectId emptyId = insertEmptyBlob(); TreeFormatter almostEmptyTree = new TreeFormatter(); almostEmptyTree.append("empty", FileMode.REGULAR_FILE, emptyId); final ObjectId almostEmptyTreeId = insertTree(almostEmptyTree); final TagBuilder t = new TagBuilder(); t.setObjectId(almostEmptyTreeId, Constants.OBJ_TREE); t.setTag("test021"); t.setTagger(new PersonIdent(author, 1154236443000L, -4 * 60)); t.setMessage("test021 tagged\n"); ObjectId actid = insertTag(t); assertEquals("b0517bc8dbe2096b419d42424cd7030733f4abe5", actid.name()); RevTag mapTag = parseTag(actid); assertEquals(Constants.OBJ_TREE, mapTag.getObject().getType()); assertEquals("test021 tagged\n", mapTag.getFullMessage()); assertEquals(new PersonIdent(author, 1154236443000L, -4 * 60), mapTag .getTaggerIdent()); assertEquals("417c01c8795a35b8e835113a85a5c0c1c77f67fb", mapTag .getObject().getId().name()); } @Test public void test022_createCommitTag() throws IOException { final ObjectId emptyId = insertEmptyBlob(); TreeFormatter almostEmptyTree = new TreeFormatter(); almostEmptyTree.append("empty", FileMode.REGULAR_FILE, emptyId); final ObjectId almostEmptyTreeId = insertTree(almostEmptyTree); final CommitBuilder almostEmptyCommit = new CommitBuilder(); almostEmptyCommit.setAuthor(new PersonIdent(author, 1154236443000L, -2 * 60)); // not exactly the same almostEmptyCommit.setCommitter(new PersonIdent(author, 1154236443000L, -2 * 60)); almostEmptyCommit.setMessage("test022\n"); almostEmptyCommit.setTreeId(almostEmptyTreeId); ObjectId almostEmptyCommitId = insertCommit(almostEmptyCommit); final TagBuilder t = new TagBuilder(); t.setObjectId(almostEmptyCommitId, Constants.OBJ_COMMIT); t.setTag("test022"); t.setTagger(new PersonIdent(author, 1154236443000L, -4 * 60)); t.setMessage("test022 tagged\n"); ObjectId actid = insertTag(t); assertEquals("0ce2ebdb36076ef0b38adbe077a07d43b43e3807", actid.name()); RevTag mapTag = parseTag(actid); assertEquals(Constants.OBJ_COMMIT, mapTag.getObject().getType()); assertEquals("test022 tagged\n", mapTag.getFullMessage()); assertEquals(new PersonIdent(author, 1154236443000L, -4 * 60), mapTag .getTaggerIdent()); assertEquals("b5d3b45a96b340441f5abb9080411705c51cc86c", mapTag .getObject().getId().name()); } @Test public void test023_createCommitNonAnullii() throws IOException { final ObjectId emptyId = insertEmptyBlob(); TreeFormatter almostEmptyTree = new TreeFormatter(); almostEmptyTree.append("empty", FileMode.REGULAR_FILE, emptyId); final ObjectId almostEmptyTreeId = insertTree(almostEmptyTree); CommitBuilder commit = new CommitBuilder(); commit.setTreeId(almostEmptyTreeId); commit.setAuthor(new PersonIdent("Joe H\u00e4cker", "joe@example.com", 4294967295000L, 60)); commit.setCommitter(new PersonIdent("Joe Hacker", "joe2@example.com", 4294967295000L, 60)); commit.setEncoding(UTF_8); commit.setMessage("\u00dcbergeeks"); ObjectId cid = insertCommit(commit); assertEquals("4680908112778718f37e686cbebcc912730b3154", cid.name()); RevCommit loadedCommit = parseCommit(cid); assertEquals(commit.getMessage(), loadedCommit.getFullMessage()); } @Test public void test024_createCommitNonAscii() throws IOException { final ObjectId emptyId = insertEmptyBlob(); TreeFormatter almostEmptyTree = new TreeFormatter(); almostEmptyTree.append("empty", FileMode.REGULAR_FILE, emptyId); final ObjectId almostEmptyTreeId = insertTree(almostEmptyTree); CommitBuilder commit = new CommitBuilder(); commit.setTreeId(almostEmptyTreeId); commit.setAuthor(new PersonIdent("Joe H\u00e4cker", "joe@example.com", 4294967295000L, 60)); commit.setCommitter(new PersonIdent("Joe Hacker", "joe2@example.com", 4294967295000L, 60)); commit.setEncoding(ISO_8859_1); commit.setMessage("\u00dcbergeeks"); ObjectId cid = insertCommit(commit); assertEquals("2979b39d385014b33287054b87f77bcb3ecb5ebf", cid.name()); } @Test public void test025_computeSha1NoStore() { byte[] data = "test025 some data, more than 16 bytes to get good coverage" .getBytes(ISO_8859_1); try (ObjectInserter.Formatter formatter = new ObjectInserter.Formatter()) { final ObjectId id = formatter.idFor(Constants.OBJ_BLOB, data); assertEquals("4f561df5ecf0dfbd53a0dc0f37262fef075d9dde", id.name()); } } @Test public void test026_CreateCommitMultipleparents() throws IOException { final ObjectId treeId; try (ObjectInserter oi = db.newObjectInserter()) { final ObjectId blobId = oi.insert(Constants.OBJ_BLOB, "and this is the data in me\n".getBytes(UTF_8 .name())); TreeFormatter fmt = new TreeFormatter(); fmt.append("i-am-a-file", FileMode.REGULAR_FILE, blobId); treeId = oi.insert(fmt); oi.flush(); } assertEquals(ObjectId .fromString("00b1f73724f493096d1ffa0b0f1f1482dbb8c936"), treeId); final CommitBuilder c1 = new CommitBuilder(); c1.setAuthor(new PersonIdent(author, 1154236443000L, -4 * 60)); c1.setCommitter(new PersonIdent(committer, 1154236443000L, -4 * 60)); c1.setMessage("A Commit\n"); c1.setTreeId(treeId); assertEquals(treeId, c1.getTreeId()); ObjectId actid1 = insertCommit(c1); final ObjectId cmtid1 = ObjectId .fromString("803aec4aba175e8ab1d666873c984c0308179099"); assertEquals(cmtid1, actid1); final CommitBuilder c2 = new CommitBuilder(); c2.setAuthor(new PersonIdent(author, 1154236443000L, -4 * 60)); c2.setCommitter(new PersonIdent(committer, 1154236443000L, -4 * 60)); c2.setMessage("A Commit 2\n"); c2.setTreeId(treeId); assertEquals(treeId, c2.getTreeId()); c2.setParentIds(actid1); ObjectId actid2 = insertCommit(c2); final ObjectId cmtid2 = ObjectId .fromString("95d068687c91c5c044fb8c77c5154d5247901553"); assertEquals(cmtid2, actid2); RevCommit rm2 = parseCommit(cmtid2); assertNotSame(c2, rm2); // assert the parsed objects is not from the // cache assertEquals(c2.getAuthor(), rm2.getAuthorIdent()); assertEquals(actid2, rm2.getId()); assertEquals(c2.getMessage(), rm2.getFullMessage()); assertEquals(c2.getTreeId(), rm2.getTree().getId()); assertEquals(1, rm2.getParentCount()); assertEquals(actid1, rm2.getParent(0)); final CommitBuilder c3 = new CommitBuilder(); c3.setAuthor(new PersonIdent(author, 1154236443000L, -4 * 60)); c3.setCommitter(new PersonIdent(committer, 1154236443000L, -4 * 60)); c3.setMessage("A Commit 3\n"); c3.setTreeId(treeId); assertEquals(treeId, c3.getTreeId()); c3.setParentIds(actid1, actid2); ObjectId actid3 = insertCommit(c3); final ObjectId cmtid3 = ObjectId .fromString("ce6e1ce48fbeeb15a83f628dc8dc2debefa066f4"); assertEquals(cmtid3, actid3); RevCommit rm3 = parseCommit(cmtid3); assertNotSame(c3, rm3); // assert the parsed objects is not from the // cache assertEquals(c3.getAuthor(), rm3.getAuthorIdent()); assertEquals(actid3, rm3.getId()); assertEquals(c3.getMessage(), rm3.getFullMessage()); assertEquals(c3.getTreeId(), rm3.getTree().getId()); assertEquals(2, rm3.getParentCount()); assertEquals(actid1, rm3.getParent(0)); assertEquals(actid2, rm3.getParent(1)); final CommitBuilder c4 = new CommitBuilder(); c4.setAuthor(new PersonIdent(author, 1154236443000L, -4 * 60)); c4.setCommitter(new PersonIdent(committer, 1154236443000L, -4 * 60)); c4.setMessage("A Commit 4\n"); c4.setTreeId(treeId); assertEquals(treeId, c3.getTreeId()); c4.setParentIds(actid1, actid2, actid3); ObjectId actid4 = insertCommit(c4); final ObjectId cmtid4 = ObjectId .fromString("d1fca9fe3fef54e5212eb67902c8ed3e79736e27"); assertEquals(cmtid4, actid4); RevCommit rm4 = parseCommit(cmtid4); assertNotSame(c4, rm3); // assert the parsed objects is not from the // cache assertEquals(c4.getAuthor(), rm4.getAuthorIdent()); assertEquals(actid4, rm4.getId()); assertEquals(c4.getMessage(), rm4.getFullMessage()); assertEquals(c4.getTreeId(), rm4.getTree().getId()); assertEquals(3, rm4.getParentCount()); assertEquals(actid1, rm4.getParent(0)); assertEquals(actid2, rm4.getParent(1)); assertEquals(actid3, rm4.getParent(2)); } @Test public void test027_UnpackedRefHigherPriorityThanPacked() throws IOException { String unpackedId = "7f822839a2fe9760f386cbbbcb3f92c5fe81def7"; write(new File(db.getDirectory(), "refs/heads/a"), unpackedId + "\n"); ObjectId resolved = db.resolve("refs/heads/a"); assertEquals(unpackedId, resolved.name()); } @Test public void test028_LockPackedRef() throws IOException { ObjectId id1; ObjectId id2; try (ObjectInserter ins = db.newObjectInserter()) { id1 = ins.insert( Constants.OBJ_BLOB, "contents1".getBytes(UTF_8)); id2 = ins.insert( Constants.OBJ_BLOB, "contents2".getBytes(UTF_8)); ins.flush(); } writeTrashFile(".git/packed-refs", id1.name() + " refs/heads/foobar"); writeTrashFile(".git/HEAD", "ref: refs/heads/foobar\n"); BUG_WorkAroundRacyGitIssues("packed-refs"); BUG_WorkAroundRacyGitIssues("HEAD"); ObjectId resolve = db.resolve("HEAD"); assertEquals(id1, resolve); RefUpdate lockRef = db.updateRef("HEAD"); lockRef.setNewObjectId(id2); assertEquals(RefUpdate.Result.FORCED, lockRef.forceUpdate()); assertTrue(new File(db.getDirectory(), "refs/heads/foobar").exists()); assertEquals(id2, db.resolve("refs/heads/foobar")); // Again. The ref already exists RefUpdate lockRef2 = db.updateRef("HEAD"); lockRef2.setNewObjectId(id1); assertEquals(RefUpdate.Result.FORCED, lockRef2.forceUpdate()); assertTrue(new File(db.getDirectory(), "refs/heads/foobar").exists()); assertEquals(id1, db.resolve("refs/heads/foobar")); } @Test public void test30_stripWorkDir() { File relCwd = new File("."); File absCwd = relCwd.getAbsoluteFile(); File absBase = new File(new File(absCwd, "repo"), "workdir"); File relBase = new File(new File(relCwd, "repo"), "workdir"); assertEquals(absBase.getAbsolutePath(), relBase.getAbsolutePath()); File relBaseFile = new File(new File(relBase, "other"), "module.c"); File absBaseFile = new File(new File(absBase, "other"), "module.c"); assertEquals("other/module.c", Repository.stripWorkDir(relBase, relBaseFile)); assertEquals("other/module.c", Repository.stripWorkDir(relBase, absBaseFile)); assertEquals("other/module.c", Repository.stripWorkDir(absBase, relBaseFile)); assertEquals("other/module.c", Repository.stripWorkDir(absBase, absBaseFile)); File relNonFile = new File(new File(relCwd, "not-repo"), ".gitignore"); File absNonFile = new File(new File(absCwd, "not-repo"), ".gitignore"); assertEquals("", Repository.stripWorkDir(relBase, relNonFile)); assertEquals("", Repository.stripWorkDir(absBase, absNonFile)); assertEquals("", Repository.stripWorkDir(db.getWorkTree(), db .getWorkTree())); File file = new File(new File(db.getWorkTree(), "subdir"), "File.java"); assertEquals("subdir/File.java", Repository.stripWorkDir(db .getWorkTree(), file)); } private ObjectId insertEmptyBlob() throws IOException { final ObjectId emptyId; try (ObjectInserter oi = db.newObjectInserter()) { emptyId = oi.insert(Constants.OBJ_BLOB, new byte[] {}); oi.flush(); } return emptyId; } private ObjectId insertTree(TreeFormatter tree) throws IOException { try (ObjectInserter oi = db.newObjectInserter()) { ObjectId id = oi.insert(tree); oi.flush(); return id; } } private ObjectId insertCommit(CommitBuilder builder) throws IOException, UnsupportedEncodingException { try (ObjectInserter oi = db.newObjectInserter()) { ObjectId id = oi.insert(builder); oi.flush(); return id; } } private RevCommit parseCommit(AnyObjectId id) throws MissingObjectException, IncorrectObjectTypeException, IOException { try (RevWalk rw = new RevWalk(db)) { return rw.parseCommit(id); } } private ObjectId insertTag(TagBuilder tag) throws IOException, UnsupportedEncodingException { try (ObjectInserter oi = db.newObjectInserter()) { ObjectId id = oi.insert(tag); oi.flush(); return id; } } private RevTag parseTag(AnyObjectId id) throws MissingObjectException, IncorrectObjectTypeException, IOException { try (RevWalk rw = new RevWalk(db)) { return rw.parseTag(id); } } /** * Kick the timestamp of a local file. *

* We shouldn't have to make these method calls. The cache is using file * system timestamps, and on many systems unit tests run faster than the * modification clock. Dumping the cache after we make an edit behind * RefDirectory's back allows the tests to pass. * * @param name * the file in the repository to force a time change on. * @throws IOException */ private void BUG_WorkAroundRacyGitIssues(String name) throws IOException { File path = new File(db.getDirectory(), name); FS fs = db.getFS(); Instant old = fs.lastModifiedInstant(path); long set = 1250379778668L; // Sat Aug 15 20:12:58 GMT-03:30 2009 fs.setLastModified(path.toPath(), Instant.ofEpochMilli(set)); assertFalse("time changed", old.equals(fs.lastModifiedInstant(path))); } }