| /* |
| * Copyright (C) 2008, 2017, Google Inc. 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.treewalk; |
| |
| 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.assertTrue; |
| import static org.junit.Assume.assumeNoException; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.InvalidPathException; |
| import java.security.MessageDigest; |
| import java.time.Instant; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.api.ResetCommand.ResetType; |
| import org.eclipse.jgit.dircache.DirCache; |
| import org.eclipse.jgit.dircache.DirCacheCheckout; |
| import org.eclipse.jgit.dircache.DirCacheEditor; |
| import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit; |
| import org.eclipse.jgit.dircache.DirCacheEntry; |
| import org.eclipse.jgit.dircache.DirCacheIterator; |
| import org.eclipse.jgit.errors.CorruptObjectException; |
| import org.eclipse.jgit.errors.IncorrectObjectTypeException; |
| import org.eclipse.jgit.errors.MissingObjectException; |
| import org.eclipse.jgit.junit.JGitTestUtil; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.eclipse.jgit.lib.ConfigConstants; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.FileMode; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.ObjectInserter; |
| import org.eclipse.jgit.lib.ObjectReader; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.storage.file.FileRepositoryBuilder; |
| import org.eclipse.jgit.treewalk.WorkingTreeIterator.MetadataDiff; |
| import org.eclipse.jgit.treewalk.filter.PathFilter; |
| import org.eclipse.jgit.util.FS; |
| import org.eclipse.jgit.util.FileUtils; |
| import org.eclipse.jgit.util.RawParseUtils; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class FileTreeIteratorTest extends RepositoryTestCase { |
| private final String[] paths = { "a,", "a,b", "a/b", "a0b" }; |
| |
| private Instant[] mtime; |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| // We build the entries backwards so that on POSIX systems we |
| // are likely to get the entries in the trash directory in the |
| // opposite order of what they should be in for the iteration. |
| // This should stress the sorting code better than doing it in |
| // the correct order. |
| // |
| mtime = new Instant[paths.length]; |
| for (int i = paths.length - 1; i >= 0; i--) { |
| final String s = paths[i]; |
| writeTrashFile(s, s); |
| mtime[i] = db.getFS().lastModifiedInstant(new File(trash, s)); |
| } |
| } |
| |
| @Test |
| public void testGetEntryContentLength() throws Exception { |
| final FileTreeIterator fti = new FileTreeIterator(db); |
| fti.next(1); |
| assertEquals(3, fti.getEntryContentLength()); |
| fti.back(1); |
| assertEquals(2, fti.getEntryContentLength()); |
| fti.next(1); |
| assertEquals(3, fti.getEntryContentLength()); |
| fti.reset(); |
| assertEquals(2, fti.getEntryContentLength()); |
| } |
| |
| @Test |
| public void testEmptyIfRootIsFile() throws Exception { |
| final File r = new File(trash, paths[0]); |
| assertTrue(r.isFile()); |
| final FileTreeIterator fti = new FileTreeIterator(r, db.getFS(), |
| db.getConfig().get(WorkingTreeOptions.KEY)); |
| assertTrue(fti.first()); |
| assertTrue(fti.eof()); |
| } |
| |
| @Test |
| public void testEmptyIfRootDoesNotExist() throws Exception { |
| final File r = new File(trash, "not-existing-file"); |
| assertFalse(r.exists()); |
| final FileTreeIterator fti = new FileTreeIterator(r, db.getFS(), |
| db.getConfig().get(WorkingTreeOptions.KEY)); |
| assertTrue(fti.first()); |
| assertTrue(fti.eof()); |
| } |
| |
| @Test |
| public void testEmptyIfRootIsEmpty() throws Exception { |
| final File r = new File(trash, "not-existing-file"); |
| assertFalse(r.exists()); |
| FileUtils.mkdir(r); |
| |
| final FileTreeIterator fti = new FileTreeIterator(r, db.getFS(), |
| db.getConfig().get(WorkingTreeOptions.KEY)); |
| assertTrue(fti.first()); |
| assertTrue(fti.eof()); |
| } |
| |
| @Test |
| public void testEmptyIteratorOnEmptyDirectory() throws Exception { |
| String nonExistingFileName = "not-existing-file"; |
| final File r = new File(trash, nonExistingFileName); |
| assertFalse(r.exists()); |
| FileUtils.mkdir(r); |
| |
| final FileTreeIterator parent = new FileTreeIterator(db); |
| |
| while (!parent.getEntryPathString().equals(nonExistingFileName)) |
| parent.next(1); |
| |
| final FileTreeIterator childIter = new FileTreeIterator(parent, r, |
| db.getFS()); |
| assertTrue(childIter.first()); |
| assertTrue(childIter.eof()); |
| |
| String parentPath = parent.getEntryPathString(); |
| assertEquals(nonExistingFileName, parentPath); |
| |
| // must be "not-existing-file/", but getEntryPathString() was broken by |
| // 445363 too |
| String childPath = childIter.getEntryPathString(); |
| |
| // in bug 445363 the iterator wrote garbage to the parent "path" field |
| EmptyTreeIterator e = childIter.createEmptyTreeIterator(); |
| assertNotNull(e); |
| |
| // check if parent path is not overridden by empty iterator (bug 445363) |
| // due bug 445363 this was "/ot-existing-file" instead of |
| // "not-existing-file" |
| assertEquals(parentPath, parent.getEntryPathString()); |
| assertEquals(parentPath + "/", childPath); |
| assertEquals(parentPath + "/", childIter.getEntryPathString()); |
| assertEquals(childPath + "/", e.getEntryPathString()); |
| } |
| |
| @Test |
| public void testSimpleIterate() throws Exception { |
| final FileTreeIterator top = new FileTreeIterator(trash, db.getFS(), |
| db.getConfig().get(WorkingTreeOptions.KEY)); |
| |
| assertTrue(top.first()); |
| assertFalse(top.eof()); |
| assertEquals(FileMode.REGULAR_FILE.getBits(), top.mode); |
| assertEquals(paths[0], nameOf(top)); |
| assertEquals(paths[0].length(), top.getEntryLength()); |
| assertEquals(mtime[0], top.getEntryLastModifiedInstant()); |
| |
| top.next(1); |
| assertFalse(top.first()); |
| assertFalse(top.eof()); |
| assertEquals(FileMode.REGULAR_FILE.getBits(), top.mode); |
| assertEquals(paths[1], nameOf(top)); |
| assertEquals(paths[1].length(), top.getEntryLength()); |
| assertEquals(mtime[1], top.getEntryLastModifiedInstant()); |
| |
| top.next(1); |
| assertFalse(top.first()); |
| assertFalse(top.eof()); |
| assertEquals(FileMode.TREE.getBits(), top.mode); |
| |
| try (ObjectReader reader = db.newObjectReader()) { |
| final AbstractTreeIterator sub = top.createSubtreeIterator(reader); |
| assertTrue(sub instanceof FileTreeIterator); |
| final FileTreeIterator subfti = (FileTreeIterator) sub; |
| assertTrue(sub.first()); |
| assertFalse(sub.eof()); |
| assertEquals(paths[2], nameOf(sub)); |
| assertEquals(paths[2].length(), subfti.getEntryLength()); |
| assertEquals(mtime[2], subfti.getEntryLastModifiedInstant()); |
| |
| sub.next(1); |
| assertTrue(sub.eof()); |
| top.next(1); |
| assertFalse(top.first()); |
| assertFalse(top.eof()); |
| assertEquals(FileMode.REGULAR_FILE.getBits(), top.mode); |
| assertEquals(paths[3], nameOf(top)); |
| assertEquals(paths[3].length(), top.getEntryLength()); |
| assertEquals(mtime[3], top.getEntryLastModifiedInstant()); |
| |
| top.next(1); |
| assertTrue(top.eof()); |
| } |
| } |
| |
| @Test |
| public void testComputeFileObjectId() throws Exception { |
| final FileTreeIterator top = new FileTreeIterator(trash, db.getFS(), |
| db.getConfig().get(WorkingTreeOptions.KEY)); |
| |
| final MessageDigest md = Constants.newMessageDigest(); |
| md.update(Constants.encodeASCII(Constants.TYPE_BLOB)); |
| md.update((byte) ' '); |
| md.update(Constants.encodeASCII(paths[0].length())); |
| md.update((byte) 0); |
| md.update(Constants.encode(paths[0])); |
| final ObjectId expect = ObjectId.fromRaw(md.digest()); |
| |
| assertEquals(expect, top.getEntryObjectId()); |
| |
| // Verify it was cached by removing the file and getting it again. |
| // |
| FileUtils.delete(new File(trash, paths[0])); |
| assertEquals(expect, top.getEntryObjectId()); |
| } |
| |
| @Test |
| public void testDirCacheMatchingId() throws Exception { |
| File f = writeTrashFile("file", "content"); |
| try (Git git = new Git(db)) { |
| writeTrashFile("file", "content"); |
| fsTick(f); |
| git.add().addFilepattern("file").call(); |
| } |
| DirCacheEntry dce = db.readDirCache().getEntry("file"); |
| try (TreeWalk tw = new TreeWalk(db)) { |
| FileTreeIterator fti = new FileTreeIterator(trash, db.getFS(), |
| db.getConfig().get(WorkingTreeOptions.KEY)); |
| tw.addTree(fti); |
| DirCacheIterator dci = new DirCacheIterator(db.readDirCache()); |
| tw.addTree(dci); |
| fti.setDirCacheIterator(tw, 1); |
| while (tw.next() && !tw.getPathString().equals("file")) { |
| // |
| } |
| assertEquals(MetadataDiff.EQUAL, fti.compareMetadata(dce)); |
| ObjectId fromRaw = ObjectId.fromRaw(fti.idBuffer(), fti.idOffset()); |
| assertEquals("6b584e8ece562ebffc15d38808cd6b98fc3d97ea", |
| fromRaw.getName()); |
| try (ObjectReader objectReader = db.newObjectReader()) { |
| assertFalse(fti.isModified(dce, false, objectReader)); |
| } |
| } |
| } |
| |
| @Test |
| public void testTreewalkEnterSubtree() throws Exception { |
| try (Git git = new Git(db); TreeWalk tw = new TreeWalk(db)) { |
| writeTrashFile("b/c", "b/c"); |
| writeTrashFile("z/.git", "gitdir: /tmp/somewhere"); |
| git.add().addFilepattern(".").call(); |
| git.rm().addFilepattern("a,").addFilepattern("a,b") |
| .addFilepattern("a0b").call(); |
| assertEquals("[a/b, mode:100644][b/c, mode:100644][z, mode:160000]", |
| indexState(0)); |
| FileUtils.delete(new File(db.getWorkTree(), "b"), |
| FileUtils.RECURSIVE); |
| |
| tw.addTree(new DirCacheIterator(db.readDirCache())); |
| tw.addTree(new FileTreeIterator(db)); |
| assertTrue(tw.next()); |
| assertEquals("a", tw.getPathString()); |
| tw.enterSubtree(); |
| tw.next(); |
| assertEquals("a/b", tw.getPathString()); |
| tw.next(); |
| assertEquals("b", tw.getPathString()); |
| tw.enterSubtree(); |
| tw.next(); |
| assertEquals("b/c", tw.getPathString()); |
| assertNotNull(tw.getTree(0, AbstractTreeIterator.class)); |
| assertNotNull(tw.getTree(EmptyTreeIterator.class)); |
| } |
| } |
| |
| @Test |
| public void testIsModifiedSymlinkAsFile() throws Exception { |
| writeTrashFile("symlink", "content"); |
| try (Git git = new Git(db)) { |
| db.getConfig().setString(ConfigConstants.CONFIG_CORE_SECTION, null, |
| ConfigConstants.CONFIG_KEY_SYMLINKS, "false"); |
| git.add().addFilepattern("symlink").call(); |
| git.commit().setMessage("commit").call(); |
| } |
| |
| // Modify previously committed DirCacheEntry and write it back to disk |
| DirCacheEntry dce = db.readDirCache().getEntry("symlink"); |
| dce.setFileMode(FileMode.SYMLINK); |
| try (ObjectReader objectReader = db.newObjectReader()) { |
| DirCacheCheckout.checkoutEntry(db, dce, objectReader, false, null); |
| |
| FileTreeIterator fti = new FileTreeIterator(trash, db.getFS(), |
| db.getConfig().get(WorkingTreeOptions.KEY)); |
| while (!fti.getEntryPathString().equals("symlink")) |
| fti.next(1); |
| assertFalse(fti.isModified(dce, false, objectReader)); |
| } |
| } |
| |
| @Test |
| public void testIsModifiedFileSmudged() throws Exception { |
| File f = writeTrashFile("file", "content"); |
| FS fs = db.getFS(); |
| try (Git git = new Git(db)) { |
| // The idea of this test is to check the smudged handling |
| // Hopefully fsTick will make sure our entry gets smudged |
| fsTick(f); |
| writeTrashFile("file", "content"); |
| Instant lastModified = fs.lastModifiedInstant(f); |
| git.add().addFilepattern("file").call(); |
| writeTrashFile("file", "conten2"); |
| fs.setLastModified(f.toPath(), lastModified); |
| // We cannot trust this to go fast enough on |
| // a system with less than one-second lastModified |
| // resolution, so we force the index to have the |
| // same timestamp as the file we look at. |
| fs.setLastModified(db.getIndexFile().toPath(), lastModified); |
| } |
| DirCacheEntry dce = db.readDirCache().getEntry("file"); |
| FileTreeIterator fti = new FileTreeIterator(trash, db.getFS(), db |
| .getConfig().get(WorkingTreeOptions.KEY)); |
| while (!fti.getEntryPathString().equals("file")) |
| fti.next(1); |
| // If the rounding trick does not work we could skip the compareMetaData |
| // test and hope that we are usually testing the intended code path. |
| assertEquals(MetadataDiff.SMUDGED, fti.compareMetadata(dce)); |
| try (ObjectReader objectReader = db.newObjectReader()) { |
| assertTrue(fti.isModified(dce, false, objectReader)); |
| } |
| } |
| |
| @Test |
| public void submoduleHeadMatchesIndex() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk walk = new TreeWalk(db)) { |
| writeTrashFile("file.txt", "content"); |
| git.add().addFilepattern("file.txt").call(); |
| final RevCommit id = git.commit().setMessage("create file").call(); |
| final String path = "sub"; |
| DirCache cache = db.lockDirCache(); |
| DirCacheEditor editor = cache.editor(); |
| editor.add(new PathEdit(path) { |
| |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.GITLINK); |
| ent.setObjectId(id); |
| } |
| }); |
| editor.commit(); |
| |
| Git.cloneRepository().setURI(db.getDirectory().toURI().toString()) |
| .setDirectory(new File(db.getWorkTree(), path)).call() |
| .getRepository().close(); |
| |
| DirCacheIterator indexIter = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator workTreeIter = new FileTreeIterator(db); |
| walk.addTree(indexIter); |
| walk.addTree(workTreeIter); |
| walk.setFilter(PathFilter.create(path)); |
| |
| assertTrue(walk.next()); |
| assertTrue(indexIter.idEqual(workTreeIter)); |
| } |
| } |
| |
| @Test |
| public void submoduleWithNoGitDirectory() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk walk = new TreeWalk(db)) { |
| writeTrashFile("file.txt", "content"); |
| git.add().addFilepattern("file.txt").call(); |
| final RevCommit id = git.commit().setMessage("create file").call(); |
| final String path = "sub"; |
| DirCache cache = db.lockDirCache(); |
| DirCacheEditor editor = cache.editor(); |
| editor.add(new PathEdit(path) { |
| |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.GITLINK); |
| ent.setObjectId(id); |
| } |
| }); |
| editor.commit(); |
| |
| File submoduleRoot = new File(db.getWorkTree(), path); |
| assertTrue(submoduleRoot.mkdir()); |
| assertTrue(new File(submoduleRoot, Constants.DOT_GIT).mkdir()); |
| |
| DirCacheIterator indexIter = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator workTreeIter = new FileTreeIterator(db); |
| walk.addTree(indexIter); |
| walk.addTree(workTreeIter); |
| walk.setFilter(PathFilter.create(path)); |
| |
| assertTrue(walk.next()); |
| assertFalse(indexIter.idEqual(workTreeIter)); |
| assertEquals(ObjectId.zeroId(), workTreeIter.getEntryObjectId()); |
| } |
| } |
| |
| @Test |
| public void submoduleWithNoHead() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk walk = new TreeWalk(db)) { |
| writeTrashFile("file.txt", "content"); |
| git.add().addFilepattern("file.txt").call(); |
| final RevCommit id = git.commit().setMessage("create file").call(); |
| final String path = "sub"; |
| DirCache cache = db.lockDirCache(); |
| DirCacheEditor editor = cache.editor(); |
| editor.add(new PathEdit(path) { |
| |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.GITLINK); |
| ent.setObjectId(id); |
| } |
| }); |
| editor.commit(); |
| |
| assertNotNull(Git.init().setDirectory(new File(db.getWorkTree(), path)) |
| .call().getRepository()); |
| |
| DirCacheIterator indexIter = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator workTreeIter = new FileTreeIterator(db); |
| walk.addTree(indexIter); |
| walk.addTree(workTreeIter); |
| walk.setFilter(PathFilter.create(path)); |
| |
| assertTrue(walk.next()); |
| assertFalse(indexIter.idEqual(workTreeIter)); |
| assertEquals(ObjectId.zeroId(), workTreeIter.getEntryObjectId()); |
| } |
| } |
| |
| @Test |
| public void submoduleDirectoryIterator() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk walk = new TreeWalk(db)) { |
| writeTrashFile("file.txt", "content"); |
| git.add().addFilepattern("file.txt").call(); |
| final RevCommit id = git.commit().setMessage("create file").call(); |
| final String path = "sub"; |
| DirCache cache = db.lockDirCache(); |
| DirCacheEditor editor = cache.editor(); |
| editor.add(new PathEdit(path) { |
| |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.GITLINK); |
| ent.setObjectId(id); |
| } |
| }); |
| editor.commit(); |
| |
| Git.cloneRepository().setURI(db.getDirectory().toURI().toString()) |
| .setDirectory(new File(db.getWorkTree(), path)).call() |
| .getRepository().close(); |
| |
| DirCacheIterator indexIter = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator workTreeIter = new FileTreeIterator(db.getWorkTree(), |
| db.getFS(), db.getConfig().get(WorkingTreeOptions.KEY)); |
| walk.addTree(indexIter); |
| walk.addTree(workTreeIter); |
| walk.setFilter(PathFilter.create(path)); |
| |
| assertTrue(walk.next()); |
| assertTrue(indexIter.idEqual(workTreeIter)); |
| } |
| } |
| |
| @Test |
| public void submoduleNestedWithHeadMatchingIndex() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk walk = new TreeWalk(db)) { |
| writeTrashFile("file.txt", "content"); |
| git.add().addFilepattern("file.txt").call(); |
| final RevCommit id = git.commit().setMessage("create file").call(); |
| final String path = "sub/dir1/dir2"; |
| DirCache cache = db.lockDirCache(); |
| DirCacheEditor editor = cache.editor(); |
| editor.add(new PathEdit(path) { |
| |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.GITLINK); |
| ent.setObjectId(id); |
| } |
| }); |
| editor.commit(); |
| |
| Git.cloneRepository().setURI(db.getDirectory().toURI().toString()) |
| .setDirectory(new File(db.getWorkTree(), path)).call() |
| .getRepository().close(); |
| |
| DirCacheIterator indexIter = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator workTreeIter = new FileTreeIterator(db); |
| walk.addTree(indexIter); |
| walk.addTree(workTreeIter); |
| walk.setFilter(PathFilter.create(path)); |
| |
| assertTrue(walk.next()); |
| assertTrue(indexIter.idEqual(workTreeIter)); |
| } |
| } |
| |
| @Test |
| public void idOffset() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk tw = new TreeWalk(db)) { |
| writeTrashFile("fileAinfsonly", "A"); |
| File fileBinindex = writeTrashFile("fileBinindex", "B"); |
| fsTick(fileBinindex); |
| git.add().addFilepattern("fileBinindex").call(); |
| writeTrashFile("fileCinfsonly", "C"); |
| DirCacheIterator indexIter = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator workTreeIter = new FileTreeIterator(db); |
| tw.addTree(indexIter); |
| tw.addTree(workTreeIter); |
| workTreeIter.setDirCacheIterator(tw, 0); |
| assertEntry("d46c305e85b630558ee19cc47e73d2e5c8c64cdc", "a,", tw); |
| assertEntry("58ee403f98538ec02409538b3f80adf610accdec", "a,b", tw); |
| assertEntry("0000000000000000000000000000000000000000", "a", tw); |
| assertEntry("b8d30ff397626f0f1d3538d66067edf865e201d6", "a0b", tw); |
| // The reason for adding this test. Check that the id is correct for |
| // mixed |
| assertEntry("8c7e5a667f1b771847fe88c01c3de34413a1b220", |
| "fileAinfsonly", tw); |
| assertEntry("7371f47a6f8bd23a8fa1a8b2a9479cdd76380e54", "fileBinindex", |
| tw); |
| assertEntry("96d80cd6c4e7158dbebd0849f4fb7ce513e5828c", |
| "fileCinfsonly", tw); |
| assertFalse(tw.next()); |
| } |
| } |
| |
| private final FileTreeIterator.FileModeStrategy NO_GITLINKS_STRATEGY = ( |
| File f, FS.Attributes attributes) -> { |
| if (attributes.isSymbolicLink()) { |
| return FileMode.SYMLINK; |
| } else if (attributes.isDirectory()) { |
| // NOTE: in the production DefaultFileModeStrategy, there is |
| // a check here for a subdirectory called '.git', and if it |
| // exists, we create a GITLINK instead of recursing into the |
| // tree. In this custom strategy, we ignore nested git dirs |
| // and treat all directories the same. |
| return FileMode.TREE; |
| } else if (attributes.isExecutable()) { |
| return FileMode.EXECUTABLE_FILE; |
| } else { |
| return FileMode.REGULAR_FILE; |
| } |
| }; |
| |
| private Repository createNestedRepo() throws IOException { |
| File gitdir = createUniqueTestGitDir(false); |
| FileRepositoryBuilder builder = new FileRepositoryBuilder(); |
| builder.setGitDir(gitdir); |
| Repository nestedRepo = builder.build(); |
| nestedRepo.create(); |
| |
| JGitTestUtil.writeTrashFile(nestedRepo, "sub", "a.txt", "content"); |
| |
| File nestedRepoPath = new File(nestedRepo.getWorkTree(), "sub/nested"); |
| FileRepositoryBuilder nestedBuilder = new FileRepositoryBuilder(); |
| nestedBuilder.setWorkTree(nestedRepoPath); |
| nestedBuilder.build().create(); |
| |
| JGitTestUtil.writeTrashFile(nestedRepo, "sub/nested", "b.txt", |
| "content b"); |
| |
| return nestedRepo; |
| } |
| |
| @Test |
| public void testCustomFileModeStrategy() throws Exception { |
| try (Repository nestedRepo = createNestedRepo(); |
| Git git = new Git(nestedRepo)) { |
| // validate that our custom strategy is honored |
| WorkingTreeIterator customIterator = new FileTreeIterator( |
| nestedRepo, NO_GITLINKS_STRATEGY); |
| git.add().setWorkingTreeIterator(customIterator).addFilepattern(".") |
| .call(); |
| assertEquals( |
| "[sub/a.txt, mode:100644, content:content]" |
| + "[sub/nested/b.txt, mode:100644, content:content b]", |
| indexState(nestedRepo, CONTENT)); |
| } |
| } |
| |
| @Test |
| public void testCustomFileModeStrategyFromParentIterator() throws Exception { |
| try (Repository nestedRepo = createNestedRepo(); |
| Git git = new Git(nestedRepo)) { |
| FileTreeIterator customIterator = new FileTreeIterator(nestedRepo, |
| NO_GITLINKS_STRATEGY); |
| File r = new File(nestedRepo.getWorkTree(), "sub"); |
| |
| // here we want to validate that if we create a new iterator using |
| // the constructor that accepts a parent iterator, that the child |
| // iterator correctly inherits the FileModeStrategy from the parent |
| // iterator. |
| FileTreeIterator childIterator = new FileTreeIterator( |
| customIterator, r, nestedRepo.getFS()); |
| git.add().setWorkingTreeIterator(childIterator).addFilepattern(".") |
| .call(); |
| assertEquals( |
| "[sub/a.txt, mode:100644, content:content]" |
| + "[sub/nested/b.txt, mode:100644, content:content b]", |
| indexState(nestedRepo, CONTENT)); |
| } |
| } |
| |
| @Test |
| public void testFileModeSymLinkIsNotATree() throws IOException { |
| org.junit.Assume.assumeTrue(FS.DETECTED.supportsSymlinks()); |
| FS fs = db.getFS(); |
| // mål = target in swedish, just to get some unicode in here |
| writeTrashFile("mål/data", "targetdata"); |
| File file = new File(trash, "länk"); |
| |
| try { |
| file.toPath(); |
| } catch (InvalidPathException e) { |
| // When executing a test with LANG environment variable set to non |
| // UTF-8 encoding, it seems that JRE cannot handle Unicode file |
| // paths. This happens when this test is executed in Bazel as it |
| // unsets LANG |
| // (https://docs.bazel.build/versions/master/test-encyclopedia.html#initial-conditions). |
| // Skip the test if the runtime cannot handle Unicode characters. |
| assumeNoException(e); |
| } |
| |
| fs.createSymLink(file, "mål"); |
| FileTreeIterator fti = new FileTreeIterator(db); |
| assertFalse(fti.eof()); |
| while (!fti.getEntryPathString().equals("länk")) { |
| fti.next(1); |
| } |
| assertEquals("länk", fti.getEntryPathString()); |
| assertEquals(FileMode.SYMLINK, fti.getEntryFileMode()); |
| fti.next(1); |
| assertFalse(fti.eof()); |
| assertEquals("mål", fti.getEntryPathString()); |
| assertEquals(FileMode.TREE, fti.getEntryFileMode()); |
| fti.next(1); |
| assertTrue(fti.eof()); |
| } |
| |
| @Test |
| public void testSymlinkNotModifiedThoughNormalized() throws Exception { |
| DirCache dc = db.lockDirCache(); |
| DirCacheEditor dce = dc.editor(); |
| final String UNNORMALIZED = "target/"; |
| final byte[] UNNORMALIZED_BYTES = Constants.encode(UNNORMALIZED); |
| try (ObjectInserter oi = db.newObjectInserter()) { |
| final ObjectId linkid = oi.insert(Constants.OBJ_BLOB, |
| UNNORMALIZED_BYTES, 0, UNNORMALIZED_BYTES.length); |
| dce.add(new DirCacheEditor.PathEdit("link") { |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.SYMLINK); |
| ent.setObjectId(linkid); |
| ent.setLength(UNNORMALIZED_BYTES.length); |
| } |
| }); |
| assertTrue(dce.commit()); |
| } |
| try (Git git = new Git(db)) { |
| git.commit().setMessage("Adding link").call(); |
| git.reset().setMode(ResetType.HARD).call(); |
| DirCacheIterator dci = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator fti = new FileTreeIterator(db); |
| |
| // self-check |
| while (!fti.getEntryPathString().equals("link")) { |
| fti.next(1); |
| } |
| assertEquals("link", fti.getEntryPathString()); |
| assertEquals("link", dci.getEntryPathString()); |
| |
| // test |
| assertFalse(fti.isModified(dci.getDirCacheEntry(), true, |
| db.newObjectReader())); |
| } |
| } |
| |
| /** |
| * Like #testSymlinkNotModifiedThoughNormalized but there is no |
| * normalization being done. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testSymlinkModifiedNotNormalized() throws Exception { |
| DirCache dc = db.lockDirCache(); |
| DirCacheEditor dce = dc.editor(); |
| final String NORMALIZED = "target"; |
| final byte[] NORMALIZED_BYTES = Constants.encode(NORMALIZED); |
| try (ObjectInserter oi = db.newObjectInserter()) { |
| final ObjectId linkid = oi.insert(Constants.OBJ_BLOB, |
| NORMALIZED_BYTES, 0, NORMALIZED_BYTES.length); |
| dce.add(new DirCacheEditor.PathEdit("link") { |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.SYMLINK); |
| ent.setObjectId(linkid); |
| ent.setLength(NORMALIZED_BYTES.length); |
| } |
| }); |
| assertTrue(dce.commit()); |
| } |
| try (Git git = new Git(db)) { |
| git.commit().setMessage("Adding link").call(); |
| git.reset().setMode(ResetType.HARD).call(); |
| DirCacheIterator dci = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator fti = new FileTreeIterator(db); |
| |
| // self-check |
| while (!fti.getEntryPathString().equals("link")) { |
| fti.next(1); |
| } |
| assertEquals("link", fti.getEntryPathString()); |
| assertEquals("link", dci.getEntryPathString()); |
| |
| // test |
| assertFalse(fti.isModified(dci.getDirCacheEntry(), true, |
| db.newObjectReader())); |
| } |
| } |
| |
| /** |
| * Like #testSymlinkNotModifiedThoughNormalized but here the link is |
| * modified. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testSymlinkActuallyModified() throws Exception { |
| org.junit.Assume.assumeTrue(FS.DETECTED.supportsSymlinks()); |
| final String NORMALIZED = "target"; |
| final byte[] NORMALIZED_BYTES = Constants.encode(NORMALIZED); |
| try (ObjectInserter oi = db.newObjectInserter()) { |
| final ObjectId linkid = oi.insert(Constants.OBJ_BLOB, |
| NORMALIZED_BYTES, 0, NORMALIZED_BYTES.length); |
| DirCache dc = db.lockDirCache(); |
| DirCacheEditor dce = dc.editor(); |
| dce.add(new DirCacheEditor.PathEdit("link") { |
| @Override |
| public void apply(DirCacheEntry ent) { |
| ent.setFileMode(FileMode.SYMLINK); |
| ent.setObjectId(linkid); |
| ent.setLength(NORMALIZED_BYTES.length); |
| } |
| }); |
| assertTrue(dce.commit()); |
| } |
| try (Git git = new Git(db)) { |
| git.commit().setMessage("Adding link").call(); |
| git.reset().setMode(ResetType.HARD).call(); |
| |
| FileUtils.delete(new File(trash, "link"), FileUtils.NONE); |
| FS.DETECTED.createSymLink(new File(trash, "link"), "newtarget"); |
| DirCacheIterator dci = new DirCacheIterator(db.readDirCache()); |
| FileTreeIterator fti = new FileTreeIterator(db); |
| |
| // self-check |
| while (!fti.getEntryPathString().equals("link")) { |
| fti.next(1); |
| } |
| assertEquals("link", fti.getEntryPathString()); |
| assertEquals("link", dci.getEntryPathString()); |
| |
| // test |
| assertTrue(fti.isModified(dci.getDirCacheEntry(), true, |
| db.newObjectReader())); |
| } |
| } |
| |
| private static void assertEntry(String sha1string, String path, TreeWalk tw) |
| throws MissingObjectException, IncorrectObjectTypeException, |
| CorruptObjectException, IOException { |
| assertTrue(tw.next()); |
| assertEquals(path, tw.getPathString()); |
| assertEquals(sha1string, tw.getObjectId(1).getName() /* 1=filetree here */); |
| } |
| |
| private static String nameOf(AbstractTreeIterator i) { |
| return RawParseUtils.decode(UTF_8, i.path, 0, i.pathLen); |
| } |
| } |