| /* |
| * Copyright (C) 2013, Axel Richard <axel.richard@obeo.fr> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v1.0 which accompanies this |
| * distribution, is reproduced below, and is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.eclipse.jgit.symlinks; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.File; |
| import java.util.List; |
| |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.diff.DiffEntry; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.eclipse.jgit.lib.FileMode; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.treewalk.FileTreeIterator; |
| import org.eclipse.jgit.treewalk.FileTreeIterator.FileEntry; |
| import org.eclipse.jgit.treewalk.TreeWalk; |
| import org.eclipse.jgit.util.FS; |
| import org.eclipse.jgit.util.FileUtils; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class SymlinksTest extends RepositoryTestCase { |
| @Before |
| public void beforeMethod() { |
| // If this assumption fails the tests are skipped. When running on a |
| // filesystem not supporting symlinks I don't want this tests |
| org.junit.Assume.assumeTrue(FS.DETECTED.supportsSymlinks()); |
| } |
| |
| /** |
| * Steps: 1.Add file 'a' 2.Commit 3.Create branch '1' 4.Replace file 'a' by |
| * symlink 'a' 5.Commit 6.Checkout branch '1' |
| * |
| * The working tree should contain 'a' with FileMode.REGULAR_FILE after the |
| * checkout. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void fileModeTestFileThenSymlink() throws Exception { |
| try (Git git = new Git(db)) { |
| writeTrashFile("a", "Hello world a"); |
| writeTrashFile("b", "Hello world b"); |
| git.add().addFilepattern(".").call(); |
| git.commit().setMessage("add files a & b").call(); |
| Ref branch_1 = git.branchCreate().setName("branch_1").call(); |
| git.rm().addFilepattern("a").call(); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "a"), "b"); |
| git.add().addFilepattern("a").call(); |
| git.commit().setMessage("add symlink a").call(); |
| |
| FileEntry entry = new FileTreeIterator.FileEntry(new File( |
| db.getWorkTree(), "a"), db.getFS()); |
| assertEquals(FileMode.SYMLINK, entry.getMode()); |
| |
| git.checkout().setName(branch_1.getName()).call(); |
| |
| entry = new FileTreeIterator.FileEntry(new File(db.getWorkTree(), "a"), |
| db.getFS()); |
| assertEquals(FileMode.REGULAR_FILE, entry.getMode()); |
| } |
| } |
| |
| /** |
| * Steps: 1.Add symlink 'a' 2.Commit 3.Create branch '1' 4.Replace symlink |
| * 'a' by file 'a' 5.Commit 6.Checkout branch '1' |
| * |
| * The working tree should contain 'a' with FileMode.SYMLINK after the |
| * checkout. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void fileModeTestSymlinkThenFile() throws Exception { |
| try (Git git = new Git(db)) { |
| writeTrashFile("b", "Hello world b"); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "a"), "b"); |
| git.add().addFilepattern(".").call(); |
| git.commit().setMessage("add file b & symlink a").call(); |
| Ref branch_1 = git.branchCreate().setName("branch_1").call(); |
| git.rm().addFilepattern("a").call(); |
| writeTrashFile("a", "Hello world a"); |
| git.add().addFilepattern("a").call(); |
| git.commit().setMessage("add file a").call(); |
| |
| FileEntry entry = new FileTreeIterator.FileEntry(new File( |
| db.getWorkTree(), "a"), db.getFS()); |
| assertEquals(FileMode.REGULAR_FILE, entry.getMode()); |
| |
| git.checkout().setName(branch_1.getName()).call(); |
| |
| entry = new FileTreeIterator.FileEntry(new File(db.getWorkTree(), "a"), |
| db.getFS()); |
| assertEquals(FileMode.SYMLINK, entry.getMode()); |
| } |
| } |
| |
| /** |
| * Steps: 1.Add folder 'a' 2.Commit 3.Create branch '1' 4.Replace folder 'a' |
| * by symlink 'a' 5.Commit 6.Checkout branch '1' |
| * |
| * The working tree should contain 'a' with FileMode.TREE after the |
| * checkout. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void fileModeTestFolderThenSymlink() throws Exception { |
| try (Git git = new Git(db)) { |
| FileUtils.mkdirs(new File(db.getWorkTree(), "a")); |
| writeTrashFile("a/b", "Hello world b"); |
| writeTrashFile("c", "Hello world c"); |
| git.add().addFilepattern(".").call(); |
| git.commit().setMessage("add folder a").call(); |
| Ref branch_1 = git.branchCreate().setName("branch_1").call(); |
| git.rm().addFilepattern("a").call(); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "a"), "c"); |
| git.add().addFilepattern("a").call(); |
| git.commit().setMessage("add symlink a").call(); |
| |
| FileEntry entry = new FileTreeIterator.FileEntry(new File( |
| db.getWorkTree(), "a"), db.getFS()); |
| assertEquals(FileMode.SYMLINK, entry.getMode()); |
| |
| git.checkout().setName(branch_1.getName()).call(); |
| |
| entry = new FileTreeIterator.FileEntry(new File(db.getWorkTree(), "a"), |
| db.getFS()); |
| assertEquals(FileMode.TREE, entry.getMode()); |
| } |
| } |
| |
| /** |
| * Steps: 1.Add symlink 'a' 2.Commit 3.Create branch '1' 4.Replace symlink |
| * 'a' by folder 'a' 5.Commit 6.Checkout branch '1' |
| * |
| * The working tree should contain 'a' with FileMode.SYMLINK after the |
| * checkout. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void fileModeTestSymlinkThenFolder() throws Exception { |
| try (Git git = new Git(db)) { |
| writeTrashFile("c", "Hello world c"); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "a"), "c"); |
| git.add().addFilepattern(".").call(); |
| git.commit().setMessage("add symlink a").call(); |
| Ref branch_1 = git.branchCreate().setName("branch_1").call(); |
| git.rm().addFilepattern("a").call(); |
| FileUtils.mkdirs(new File(db.getWorkTree(), "a")); |
| writeTrashFile("a/b", "Hello world b"); |
| git.add().addFilepattern("a").call(); |
| git.commit().setMessage("add folder a").call(); |
| |
| FileEntry entry = new FileTreeIterator.FileEntry(new File( |
| db.getWorkTree(), "a"), db.getFS()); |
| assertEquals(FileMode.TREE, entry.getMode()); |
| |
| git.checkout().setName(branch_1.getName()).call(); |
| |
| entry = new FileTreeIterator.FileEntry(new File(db.getWorkTree(), "a"), |
| db.getFS()); |
| assertEquals(FileMode.SYMLINK, entry.getMode()); |
| } |
| } |
| |
| /** |
| * Steps: 1.Add file 'b' 2.Commit 3.Create branch '1' 4.Add symlink 'a' |
| * 5.Commit 6.Checkout branch '1' |
| * |
| * The working tree should not contain 'a' -> FileMode.MISSING after the |
| * checkout. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void fileModeTestMissingThenSymlink() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk tw = new TreeWalk(db);) { |
| writeTrashFile("b", "Hello world b"); |
| git.add().addFilepattern(".").call(); |
| RevCommit commit1 = git.commit().setMessage("add file b").call(); |
| Ref branch_1 = git.branchCreate().setName("branch_1").call(); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "a"), "b"); |
| git.add().addFilepattern("a").call(); |
| RevCommit commit2 = git.commit().setMessage("add symlink a").call(); |
| |
| git.checkout().setName(branch_1.getName()).call(); |
| |
| tw.addTree(commit1.getTree()); |
| tw.addTree(commit2.getTree()); |
| List<DiffEntry> scan = DiffEntry.scan(tw); |
| assertEquals(1, scan.size()); |
| assertEquals(FileMode.SYMLINK, scan.get(0).getNewMode()); |
| assertEquals(FileMode.MISSING, scan.get(0).getOldMode()); |
| } |
| } |
| |
| /** |
| * Steps: 1.Add symlink 'a' 2.Commit 3.Create branch '1' 4.Delete symlink |
| * 'a' 5.Commit 6.Checkout branch '1' |
| * |
| * The working tree should contain 'a' with FileMode.SYMLINK after the |
| * checkout. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void fileModeTestSymlinkThenMissing() throws Exception { |
| try (Git git = new Git(db); |
| TreeWalk tw = new TreeWalk(db);) { |
| writeTrashFile("b", "Hello world b"); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "a"), "b"); |
| git.add().addFilepattern(".").call(); |
| RevCommit commit1 = git.commit().setMessage("add file b & symlink a") |
| .call(); |
| Ref branch_1 = git.branchCreate().setName("branch_1").call(); |
| git.rm().addFilepattern("a").call(); |
| RevCommit commit2 = git.commit().setMessage("delete symlink a").call(); |
| |
| git.checkout().setName(branch_1.getName()).call(); |
| |
| tw.addTree(commit1.getTree()); |
| tw.addTree(commit2.getTree()); |
| List<DiffEntry> scan = DiffEntry.scan(tw); |
| assertEquals(1, scan.size()); |
| assertEquals(FileMode.MISSING, scan.get(0).getNewMode()); |
| assertEquals(FileMode.SYMLINK, scan.get(0).getOldMode()); |
| } |
| } |
| |
| @Test |
| public void createSymlinkAfterTarget() throws Exception { |
| try (Git git = new Git(db)) { |
| writeTrashFile("a", "start"); |
| git.add().addFilepattern("a").call(); |
| RevCommit base = git.commit().setMessage("init").call(); |
| writeTrashFile("target", "someData"); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "link"), "target"); |
| git.add().addFilepattern("target").addFilepattern("link").call(); |
| git.commit().setMessage("add target").call(); |
| assertEquals(4, db.getWorkTree().list().length); // self-check |
| git.checkout().setName(base.name()).call(); |
| assertEquals(2, db.getWorkTree().list().length); // self-check |
| git.checkout().setName("master").call(); |
| assertEquals(4, db.getWorkTree().list().length); |
| String data = read(new File(db.getWorkTree(), "target")); |
| assertEquals(8, new File(db.getWorkTree(), "target").length()); |
| assertEquals("someData", data); |
| data = read(new File(db.getWorkTree(), "link")); |
| assertEquals("target", |
| FileUtils.readSymLink(new File(db.getWorkTree(), "link"))); |
| assertEquals("someData", data); |
| } |
| } |
| |
| @Test |
| public void createFileSymlinkBeforeTarget() throws Exception { |
| try (Git git = new Git(db)) { |
| writeTrashFile("a", "start"); |
| git.add().addFilepattern("a").call(); |
| RevCommit base = git.commit().setMessage("init").call(); |
| writeTrashFile("target", "someData"); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "tlink"), "target"); |
| git.add().addFilepattern("target").addFilepattern("tlink").call(); |
| git.commit().setMessage("add target").call(); |
| assertEquals(4, db.getWorkTree().list().length); // self-check |
| git.checkout().setName(base.name()).call(); |
| assertEquals(2, db.getWorkTree().list().length); // self-check |
| git.checkout().setName("master").call(); |
| assertEquals(4, db.getWorkTree().list().length); |
| String data = read(new File(db.getWorkTree(), "target")); |
| assertEquals(8, new File(db.getWorkTree(), "target").length()); |
| assertEquals("someData", data); |
| data = read(new File(db.getWorkTree(), "tlink")); |
| assertEquals("target", |
| FileUtils.readSymLink(new File(db.getWorkTree(), "tlink"))); |
| assertEquals("someData", data); |
| } |
| } |
| |
| @Test |
| public void createDirSymlinkBeforeTarget() throws Exception { |
| try (Git git = new Git(db)) { |
| writeTrashFile("a", "start"); |
| git.add().addFilepattern("a").call(); |
| RevCommit base = git.commit().setMessage("init").call(); |
| FileUtils.createSymLink(new File(db.getWorkTree(), "link"), "target"); |
| FileUtils.mkdir(new File(db.getWorkTree(), "target")); |
| writeTrashFile("target/file", "someData"); |
| git.add().addFilepattern("target").addFilepattern("link").call(); |
| git.commit().setMessage("add target").call(); |
| assertEquals(4, db.getWorkTree().list().length); // self-check |
| git.checkout().setName(base.name()).call(); |
| assertEquals(2, db.getWorkTree().list().length); // self-check |
| git.checkout().setName("master").call(); |
| assertEquals(4, db.getWorkTree().list().length); |
| String data = read(new File(db.getWorkTree(), "target/file")); |
| assertEquals(8, new File(db.getWorkTree(), "target/file").length()); |
| assertEquals("someData", data); |
| data = read(new File(db.getWorkTree(), "link/file")); |
| assertEquals("target", |
| FileUtils.readSymLink(new File(db.getWorkTree(), "link"))); |
| assertEquals("someData", data); |
| } |
| } |
| } |