Applies the changes in a stashed commit to the local working directory and index Bug: 309355 Change-Id: I9fd5ede8affc7f0060ffa7c5cec34573b6fa2b1b Signed-off-by: Chris Aniszczyk <zx@twitter.com>tags/v2.0.0.201206130900-r
@@ -0,0 +1,346 @@ | |||
/* | |||
* Copyright (C) 2012, GitHub Inc. | |||
* 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.api; | |||
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 java.io.File; | |||
import org.eclipse.jgit.lib.ObjectId; | |||
import org.eclipse.jgit.lib.RepositoryTestCase; | |||
import org.eclipse.jgit.revwalk.RevCommit; | |||
import org.eclipse.jgit.util.FileUtils; | |||
import org.junit.Before; | |||
import org.junit.Test; | |||
/** | |||
* Unit tests of {@link StashApplyCommand} | |||
*/ | |||
public class StashApplyCommandTest extends RepositoryTestCase { | |||
private static final String PATH = "file.txt"; | |||
private RevCommit head; | |||
private Git git; | |||
private File committedFile; | |||
@Before | |||
public void setUp() throws Exception { | |||
super.setUp(); | |||
git = Git.wrap(db); | |||
committedFile = writeTrashFile(PATH, "content"); | |||
git.add().addFilepattern(PATH).call(); | |||
head = git.commit().setMessage("add file").call(); | |||
assertNotNull(head); | |||
} | |||
@Test | |||
public void workingDirectoryDelete() throws Exception { | |||
deleteTrashFile(PATH); | |||
assertFalse(committedFile.exists()); | |||
RevCommit stashed = git.stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertEquals("content", read(committedFile)); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertFalse(committedFile.exists()); | |||
Status status = git.status().call(); | |||
assertTrue(status.getAdded().isEmpty()); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getModified().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertTrue(status.getRemoved().isEmpty()); | |||
assertEquals(1, status.getMissing().size()); | |||
assertTrue(status.getMissing().contains(PATH)); | |||
} | |||
@Test | |||
public void indexAdd() throws Exception { | |||
String addedPath = "file2.txt"; | |||
File addedFile = writeTrashFile(addedPath, "content2"); | |||
git.add().addFilepattern(addedPath).call(); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertFalse(addedFile.exists()); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertTrue(addedFile.exists()); | |||
assertEquals("content2", read(addedFile)); | |||
Status status = git.status().call(); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getModified().isEmpty()); | |||
assertTrue(status.getRemoved().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getAdded().size()); | |||
assertTrue(status.getAdded().contains(addedPath)); | |||
} | |||
@Test | |||
public void indexDelete() throws Exception { | |||
git.rm().addFilepattern("file.txt").call(); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertEquals("content", read(committedFile)); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertFalse(committedFile.exists()); | |||
Status status = git.status().call(); | |||
assertTrue(status.getAdded().isEmpty()); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getModified().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getRemoved().size()); | |||
assertTrue(status.getRemoved().contains(PATH)); | |||
} | |||
@Test | |||
public void workingDirectoryModify() throws Exception { | |||
writeTrashFile("file.txt", "content2"); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertEquals("content", read(committedFile)); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertEquals("content2", read(committedFile)); | |||
Status status = git.status().call(); | |||
assertTrue(status.getAdded().isEmpty()); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getRemoved().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getModified().size()); | |||
assertTrue(status.getModified().contains(PATH)); | |||
} | |||
@Test | |||
public void workingDirectoryModifyInSubfolder() throws Exception { | |||
String path = "d1/d2/f.txt"; | |||
File subfolderFile = writeTrashFile(path, "content"); | |||
git.add().addFilepattern(path).call(); | |||
head = git.commit().setMessage("add file").call(); | |||
writeTrashFile(path, "content2"); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertEquals("content", read(subfolderFile)); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertEquals("content2", read(subfolderFile)); | |||
Status status = git.status().call(); | |||
assertTrue(status.getAdded().isEmpty()); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getRemoved().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getModified().size()); | |||
assertTrue(status.getModified().contains(path)); | |||
} | |||
@Test | |||
public void workingDirectoryModifyIndexChanged() throws Exception { | |||
writeTrashFile("file.txt", "content2"); | |||
git.add().addFilepattern("file.txt").call(); | |||
writeTrashFile("file.txt", "content3"); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertEquals("content", read(committedFile)); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertEquals("content3", read(committedFile)); | |||
Status status = git.status().call(); | |||
assertTrue(status.getAdded().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getRemoved().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getChanged().size()); | |||
assertTrue(status.getChanged().contains(PATH)); | |||
assertEquals(1, status.getModified().size()); | |||
assertTrue(status.getModified().contains(PATH)); | |||
} | |||
@Test | |||
public void workingDirectoryCleanIndexModify() throws Exception { | |||
writeTrashFile("file.txt", "content2"); | |||
git.add().addFilepattern("file.txt").call(); | |||
writeTrashFile("file.txt", "content"); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertEquals("content", read(committedFile)); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertEquals("content2", read(committedFile)); | |||
Status status = git.status().call(); | |||
assertTrue(status.getAdded().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getModified().isEmpty()); | |||
assertTrue(status.getRemoved().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getChanged().size()); | |||
assertTrue(status.getChanged().contains(PATH)); | |||
} | |||
@Test | |||
public void workingDirectoryDeleteIndexAdd() throws Exception { | |||
String path = "file2.txt"; | |||
File added = writeTrashFile(path, "content2"); | |||
assertTrue(added.exists()); | |||
git.add().addFilepattern(path).call(); | |||
FileUtils.delete(added); | |||
assertFalse(added.exists()); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertFalse(added.exists()); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertEquals("content2", read(added)); | |||
Status status = git.status().call(); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getModified().isEmpty()); | |||
assertTrue(status.getRemoved().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getAdded().size()); | |||
assertTrue(status.getAdded().contains(path)); | |||
} | |||
@Test | |||
public void workingDirectoryDeleteIndexEdit() throws Exception { | |||
writeTrashFile(PATH, "content2"); | |||
git.add().addFilepattern(PATH).call(); | |||
FileUtils.delete(committedFile); | |||
assertFalse(committedFile.exists()); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertEquals("content", read(committedFile)); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
assertFalse(committedFile.exists()); | |||
Status status = git.status().call(); | |||
assertTrue(status.getAdded().isEmpty()); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getModified().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getRemoved().size()); | |||
assertTrue(status.getRemoved().contains(PATH)); | |||
} | |||
@Test | |||
public void multipleEdits() throws Exception { | |||
String addedPath = "file2.txt"; | |||
git.rm().addFilepattern(PATH).call(); | |||
File addedFile = writeTrashFile(addedPath, "content2"); | |||
git.add().addFilepattern(addedPath).call(); | |||
RevCommit stashed = Git.wrap(db).stashCreate().call(); | |||
assertNotNull(stashed); | |||
assertTrue(committedFile.exists()); | |||
assertFalse(addedFile.exists()); | |||
ObjectId unstashed = git.stashApply().call(); | |||
assertEquals(stashed, unstashed); | |||
Status status = git.status().call(); | |||
assertTrue(status.getChanged().isEmpty()); | |||
assertTrue(status.getConflicting().isEmpty()); | |||
assertTrue(status.getMissing().isEmpty()); | |||
assertTrue(status.getModified().isEmpty()); | |||
assertTrue(status.getUntracked().isEmpty()); | |||
assertEquals(1, status.getRemoved().size()); | |||
assertTrue(status.getRemoved().contains(PATH)); | |||
assertEquals(1, status.getAdded().size()); | |||
assertTrue(status.getAdded().contains(addedPath)); | |||
} | |||
} |
@@ -423,7 +423,11 @@ sourceRefDoesntResolveToAnyObject=Source ref {0} doesn't resolve to any object. | |||
sourceRefNotSpecifiedForRefspec=Source ref not specified for refspec: {0} | |||
staleRevFlagsOn=Stale RevFlags on {0} | |||
startingReadStageWithoutWrittenRequestDataPendingIsNotSupported=Starting read stage without written request data pending is not supported | |||
stashApplyFailed=Applying stashed changes did not successfully complete | |||
stashApplyOnUnsafeRepository=Cannot apply stashed commit on a repository with state: {0} | |||
stashCommitMissingTwoParents=Stashed commit ''{0}'' does not have two parent commits | |||
stashFailed=Stashing local changes did not successfully complete | |||
stashResolveFailed=Reference ''{0}'' does not resolve to stashed commit | |||
statelessRPCRequiresOptionToBeEnabled=stateless RPC requires {0} to be enabled | |||
submoduleExists=Submodule ''{0}'' already exists in the index | |||
submoduleParentRemoteUrlInvalid=Cannot remove segment from remote url ''{0}'' |
@@ -483,7 +483,11 @@ public class JGitText extends TranslationBundle { | |||
/***/ public String sourceRefNotSpecifiedForRefspec; | |||
/***/ public String staleRevFlagsOn; | |||
/***/ public String startingReadStageWithoutWrittenRequestDataPendingIsNotSupported; | |||
/***/ public String stashApplyFailed; | |||
/***/ public String stashApplyOnUnsafeRepository; | |||
/***/ public String stashCommitMissingTwoParents; | |||
/***/ public String stashFailed; | |||
/***/ public String stashResolveFailed; | |||
/***/ public String statelessRPCRequiresOptionToBeEnabled; | |||
/***/ public String submoduleExists; | |||
/***/ public String submodulesNotSupported; |
@@ -54,7 +54,8 @@ import org.eclipse.jgit.util.FS; | |||
/** | |||
* Offers a "GitPorcelain"-like API to interact with a git repository. | |||
* <p> | |||
* The GitPorcelain commands are described in the <a href="http://www.kernel.org/pub/software/scm/git/docs/git.html#_high_level_commands_porcelain" | |||
* The GitPorcelain commands are described in the <a href= | |||
* "http://www.kernel.org/pub/software/scm/git/docs/git.html#_high_level_commands_porcelain" | |||
* >Git Documentation</a>. | |||
* <p> | |||
* This class only offers methods to construct so-called command classes. Each | |||
@@ -109,9 +110,7 @@ public class Git { | |||
RepositoryCache.FileKey key; | |||
key = RepositoryCache.FileKey.lenient(dir, fs); | |||
return wrap(new RepositoryBuilder() | |||
.setFS(fs) | |||
.setGitDir(key.getFile()) | |||
return wrap(new RepositoryBuilder().setFS(fs).setGitDir(key.getFile()) | |||
.setMustExist(true).build()); | |||
} | |||
@@ -266,8 +265,8 @@ public class Git { | |||
* @see <a | |||
* href="http://www.kernel.org/pub/software/scm/git/docs/git-add.html" | |||
* >Git documentation about Add</a> | |||
* @return a {@link AddCommand} used to collect all optional parameters | |||
* and to finally execute the {@code Add} command | |||
* @return a {@link AddCommand} used to collect all optional parameters and | |||
* to finally execute the {@code Add} command | |||
*/ | |||
public AddCommand add() { | |||
return new AddCommand(repo); | |||
@@ -279,8 +278,8 @@ public class Git { | |||
* @see <a | |||
* href="http://www.kernel.org/pub/software/scm/git/docs/git-tag.html" | |||
* >Git documentation about Tag</a> | |||
* @return a {@link TagCommand} used to collect all optional parameters | |||
* and to finally execute the {@code Tag} command | |||
* @return a {@link TagCommand} used to collect all optional parameters and | |||
* to finally execute the {@code Tag} command | |||
*/ | |||
public TagCommand tag() { | |||
return new TagCommand(repo); | |||
@@ -331,8 +330,8 @@ public class Git { | |||
* @see <a | |||
* href="http://www.kernel.org/pub/software/scm/git/docs/git-revert.html" | |||
* >Git documentation about reverting changes</a> | |||
* @return a {@link RevertCommand} used to collect all optional | |||
* parameters and to finally execute the {@code cherry-pick} command | |||
* @return a {@link RevertCommand} used to collect all optional parameters | |||
* and to finally execute the {@code cherry-pick} command | |||
*/ | |||
public RevertCommand revert() { | |||
return new RevertCommand(repo); | |||
@@ -582,6 +581,15 @@ public class Git { | |||
return new StashCreateCommand(repo); | |||
} | |||
/** | |||
* Returns a command object used to apply a stashed commit | |||
* | |||
* @return a {@link StashApplyCommand} | |||
*/ | |||
public StashApplyCommand stashApply() { | |||
return new StashApplyCommand(repo); | |||
} | |||
/** | |||
* @return the git repository this class is interacting with | |||
*/ |
@@ -0,0 +1,195 @@ | |||
/* | |||
* Copyright (C) 2012, GitHub Inc. | |||
* 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.api; | |||
import java.io.File; | |||
import java.io.IOException; | |||
import java.text.MessageFormat; | |||
import org.eclipse.jgit.JGitText; | |||
import org.eclipse.jgit.api.errors.GitAPIException; | |||
import org.eclipse.jgit.api.errors.InvalidRefNameException; | |||
import org.eclipse.jgit.api.errors.JGitInternalException; | |||
import org.eclipse.jgit.api.errors.WrongRepositoryStateException; | |||
import org.eclipse.jgit.dircache.DirCache; | |||
import org.eclipse.jgit.dircache.DirCacheCheckout; | |||
import org.eclipse.jgit.dircache.DirCacheEditor; | |||
import org.eclipse.jgit.dircache.DirCacheEditor.DeletePath; | |||
import org.eclipse.jgit.dircache.DirCacheEntry; | |||
import org.eclipse.jgit.lib.Constants; | |||
import org.eclipse.jgit.lib.ObjectId; | |||
import org.eclipse.jgit.lib.ObjectReader; | |||
import org.eclipse.jgit.lib.Repository; | |||
import org.eclipse.jgit.lib.RepositoryState; | |||
import org.eclipse.jgit.revwalk.RevCommit; | |||
import org.eclipse.jgit.revwalk.RevTree; | |||
import org.eclipse.jgit.revwalk.RevWalk; | |||
import org.eclipse.jgit.treewalk.AbstractTreeIterator; | |||
import org.eclipse.jgit.treewalk.FileTreeIterator; | |||
import org.eclipse.jgit.treewalk.TreeWalk; | |||
import org.eclipse.jgit.treewalk.filter.TreeFilter; | |||
import org.eclipse.jgit.util.FileUtils; | |||
/** | |||
* Command class to apply a stashed commit. | |||
* | |||
* @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-stash.html" | |||
* >Git documentation about Stash</a> | |||
*/ | |||
public class StashApplyCommand extends GitCommand<ObjectId> { | |||
private static final String DEFAULT_REF = Constants.STASH + "@{0}"; | |||
private String stashRef; | |||
/** | |||
* Create command to apply the changes of a stashed commit | |||
* | |||
* @param repo | |||
*/ | |||
public StashApplyCommand(final Repository repo) { | |||
super(repo); | |||
} | |||
/** | |||
* Set the stash reference to apply | |||
* <p> | |||
* This will default to apply the latest stashed commit (stash@{0}) if | |||
* unspecified | |||
* | |||
* @param stashRef | |||
* @return {@code this} | |||
*/ | |||
public StashApplyCommand setStashRef(final String stashRef) { | |||
this.stashRef = stashRef; | |||
return this; | |||
} | |||
/** | |||
* Apply the changes in a stashed commit to the working directory and index | |||
* | |||
* @return id of stashed commit that was applied | |||
*/ | |||
public ObjectId call() throws GitAPIException, JGitInternalException { | |||
checkCallable(); | |||
if (repo.getRepositoryState() != RepositoryState.SAFE) | |||
throw new WrongRepositoryStateException(MessageFormat.format( | |||
JGitText.get().stashApplyOnUnsafeRepository, | |||
repo.getRepositoryState())); | |||
final String revision = stashRef != null ? stashRef : DEFAULT_REF; | |||
final ObjectId stashId; | |||
try { | |||
stashId = repo.resolve(revision); | |||
} catch (IOException e) { | |||
throw new JGitInternalException(JGitText.get().stashApplyFailed, e); | |||
} | |||
if (stashId == null) | |||
throw new InvalidRefNameException(MessageFormat.format( | |||
JGitText.get().stashResolveFailed, revision)); | |||
ObjectReader reader = repo.newObjectReader(); | |||
try { | |||
RevWalk revWalk = new RevWalk(reader); | |||
RevCommit wtCommit = revWalk.parseCommit(stashId); | |||
if (wtCommit.getParentCount() != 2) | |||
throw new JGitInternalException(MessageFormat.format( | |||
JGitText.get().stashCommitMissingTwoParents, | |||
stashId.name())); | |||
// Apply index changes | |||
RevTree indexTree = revWalk.parseCommit(wtCommit.getParent(1)) | |||
.getTree(); | |||
DirCacheCheckout dco = new DirCacheCheckout(repo, | |||
repo.lockDirCache(), indexTree, new FileTreeIterator(repo)); | |||
dco.setFailOnConflict(true); | |||
dco.checkout(); | |||
// Apply working directory changes | |||
RevTree headTree = revWalk.parseCommit(wtCommit.getParent(0)) | |||
.getTree(); | |||
DirCache cache = repo.lockDirCache(); | |||
DirCacheEditor editor = cache.editor(); | |||
try { | |||
TreeWalk treeWalk = new TreeWalk(reader); | |||
treeWalk.setRecursive(true); | |||
treeWalk.addTree(headTree); | |||
treeWalk.addTree(indexTree); | |||
treeWalk.addTree(wtCommit.getTree()); | |||
treeWalk.setFilter(TreeFilter.ANY_DIFF); | |||
File workingTree = repo.getWorkTree(); | |||
while (treeWalk.next()) { | |||
String path = treeWalk.getPathString(); | |||
File file = new File(workingTree, path); | |||
AbstractTreeIterator headIter = treeWalk.getTree(0, | |||
AbstractTreeIterator.class); | |||
AbstractTreeIterator indexIter = treeWalk.getTree(1, | |||
AbstractTreeIterator.class); | |||
AbstractTreeIterator wtIter = treeWalk.getTree(2, | |||
AbstractTreeIterator.class); | |||
if (wtIter != null) { | |||
DirCacheEntry entry = new DirCacheEntry( | |||
treeWalk.getRawPath()); | |||
entry.setObjectId(wtIter.getEntryObjectId()); | |||
DirCacheCheckout.checkoutEntry(repo, file, entry); | |||
} else { | |||
if (indexIter != null && headIter != null | |||
&& !indexIter.idEqual(headIter)) | |||
editor.add(new DeletePath(path)); | |||
FileUtils.delete(file, FileUtils.RETRY | |||
| FileUtils.SKIP_MISSING); | |||
} | |||
} | |||
} finally { | |||
editor.commit(); | |||
cache.unlock(); | |||
} | |||
} catch (IOException e) { | |||
throw new JGitInternalException(JGitText.get().stashApplyFailed, e); | |||
} finally { | |||
reader.release(); | |||
} | |||
return stashId; | |||
} | |||
} |