public virtual void TestCherryPickOverExecutableChangeOnNonExectuableFileSystem()
{
Git git = new Git(db);
FilePath file = WriteTrashFile("test.txt", "a");
NUnit.Framework.Assert.IsNotNull(git.Add().AddFilepattern("test.txt").Call());
NUnit.Framework.Assert.IsNotNull(git.Commit().SetMessage("commit1").Call());
NUnit.Framework.Assert.IsNotNull(git.Checkout().SetCreateBranch(true).SetName("a"
).Call());
WriteTrashFile("test.txt", "b");
NUnit.Framework.Assert.IsNotNull(git.Add().AddFilepattern("test.txt").Call());
RevCommit commit2 = git.Commit().SetMessage("commit2").Call();
NUnit.Framework.Assert.IsNotNull(commit2);
NUnit.Framework.Assert.IsNotNull(git.Checkout().SetName(Constants.MASTER).Call());
DirCache cache = db.LockDirCache();
cache.GetEntry("test.txt").FileMode = FileMode.EXECUTABLE_FILE;
cache.Write();
NUnit.Framework.Assert.IsTrue(cache.Commit());
cache.Unlock();
NUnit.Framework.Assert.IsNotNull(git.Commit().SetMessage("commit3").Call());
git.GetRepository().GetConfig().SetBoolean(ConfigConstants.CONFIG_CORE_SECTION, null
, ConfigConstants.CONFIG_KEY_FILEMODE, false);
CherryPickResult result = git.CherryPick().Include(commit2).Call();
NUnit.Framework.Assert.IsNotNull(result);
NUnit.Framework.Assert.AreEqual(CherryPickResult.CherryPickStatus.OK, result.GetStatus
());
}
private void ResetIndexForPaths(RevCommit commit)
{
DirCache dc = null;
DirCacheEditor edit;
try
{
dc = repo.LockDirCache();
edit = dc.Editor();
TreeWalk tw = new TreeWalk(repo);
tw.AddTree(new DirCacheIterator(dc));
tw.AddTree(commit.Tree);
tw.Filter = PathFilterGroup.CreateFromStrings(filepaths);
tw.Recursive = true;
while (tw.Next())
{
string path = tw.PathString;
// DirCacheIterator dci = tw.getTree(0, DirCacheIterator.class);
CanonicalTreeParser tree = tw.GetTree <CanonicalTreeParser>(1);
if (tree == null)
{
// file is not in the commit, remove from index
edit.Add(new DirCacheEditor.DeletePath(path));
}
else
{
// revert index to commit
// it seams that there is concurrent access to tree
// variable, therefore we need to keep references to
// entryFileMode and entryObjectId in local
// variables
FileMode entryFileMode = tree.EntryFileMode;
ObjectId entryObjectId = tree.EntryObjectId;
edit.Add(new _PathEdit_305(entryFileMode, entryObjectId, path));
}
}
edit.Commit();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
}
/// <exception cref="System.InvalidOperationException"></exception>
/// <exception cref="System.IO.IOException"></exception>
public override void PrescanTwoTrees(Tree head, Tree merge)
{
DirCache dc = db.LockDirCache();
try
{
dco = new DirCacheCheckout(db, head.GetId(), dc, merge.GetId());
dco.PreScanTwoTrees();
}
finally
{
dc.Unlock();
}
}
/// <exception cref="System.IO.IOException"></exception>
private void Checkout()
{
DirCache dc = db.LockDirCache();
try
{
dco = new DirCacheCheckout(db, theHead, dc, theMerge);
dco.Checkout();
}
finally
{
dc.Unlock();
}
}
/// <exception cref="System.IO.IOException"></exception>
public override void Checkout()
{
DirCache dc = db.LockDirCache();
try
{
dco = new DirCacheCheckout(db, theHead.GetId(), dc, theMerge.GetId());
dco.Checkout();
}
finally
{
dc.Unlock();
}
}
/// <exception cref="System.InvalidOperationException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private void PrescanTwoTrees(ObjectId head, ObjectId merge)
{
DirCache dc = db.LockDirCache();
try
{
dco = new DirCacheCheckout(db, head, dc, merge);
dco.PreScanTwoTrees();
}
finally
{
dc.Unlock();
}
}
/// <summary>Checkout paths into index and working directory</summary>
/// <returns>this instance</returns>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
/// <exception cref="NGit.Api.Errors.RefNotFoundException">NGit.Api.Errors.RefNotFoundException
/// </exception>
protected internal virtual NGit.Api.CheckoutCommand CheckoutPaths()
{
RevWalk revWalk = new RevWalk(repo);
DirCache dc = repo.LockDirCache();
try
{
DirCacheEditor editor = dc.Editor();
TreeWalk startWalk = new TreeWalk(revWalk.GetObjectReader());
startWalk.Recursive = true;
if (!checkoutAllPaths)
{
startWalk.Filter = PathFilterGroup.CreateFromStrings(paths);
}
bool checkoutIndex = startCommit == null && startPoint == null;
if (!checkoutIndex)
{
startWalk.AddTree(revWalk.ParseCommit(GetStartPoint()).Tree);
}
else
{
startWalk.AddTree(new DirCacheIterator(dc));
}
FilePath workTree = repo.WorkTree;
ObjectReader r = repo.ObjectDatabase.NewReader();
try
{
while (startWalk.Next())
{
ObjectId blobId = startWalk.GetObjectId(0);
FileMode mode = startWalk.GetFileMode(0);
editor.Add(new _PathEdit_349(this, checkoutIndex, blobId, mode, workTree, r, startWalk
.PathString));
}
editor.Commit();
}
finally
{
startWalk.Release();
r.Release();
}
}
finally
{
dc.Unlock();
revWalk.Release();
}
return(this);
}
/// <summary>Checkout paths into index and working directory</summary>
/// <returns>this instance</returns>
/// <exception cref="System.IO.IOException">System.IO.IOException</exception>
/// <exception cref="NGit.Api.Errors.RefNotFoundException">NGit.Api.Errors.RefNotFoundException
/// </exception>
protected internal virtual NGit.Api.CheckoutCommand CheckoutPaths()
{
RevWalk revWalk = new RevWalk(repo);
DirCache dc = repo.LockDirCache();
try
{
TreeWalk treeWalk = new TreeWalk(revWalk.GetObjectReader());
treeWalk.Recursive = true;
treeWalk.AddTree(new DirCacheIterator(dc));
treeWalk.Filter = PathFilterGroup.CreateFromStrings(paths);
IList <string> files = new List <string>();
while (treeWalk.Next())
{
files.AddItem(treeWalk.PathString);
}
if (startCommit != null || startPoint != null)
{
DirCacheEditor editor = dc.Editor();
TreeWalk startWalk = new TreeWalk(revWalk.GetObjectReader());
startWalk.Recursive = true;
startWalk.Filter = treeWalk.Filter;
startWalk.AddTree(revWalk.ParseCommit(GetStartPoint()).Tree);
while (startWalk.Next())
{
ObjectId blobId = startWalk.GetObjectId(0);
editor.Add(new _PathEdit_258(blobId, startWalk.PathString));
}
editor.Commit();
}
FilePath workTree = repo.WorkTree;
foreach (string file in files)
{
DirCacheCheckout.CheckoutEntry(repo, new FilePath(workTree, file), dc.GetEntry(file
));
}
}
finally
{
dc.Unlock();
revWalk.Release();
}
return(this);
}
/// <exception cref="System.IO.IOException"></exception>
private void ResetIndex(RevCommit commit)
{
DirCache dc = repo.LockDirCache();
TreeWalk walk = null;
try
{
DirCacheEditor editor = dc.Editor();
walk = new TreeWalk(repo);
walk.AddTree(commit.Tree);
walk.AddTree(new DirCacheIterator(dc));
walk.Recursive = true;
while (walk.Next())
{
AbstractTreeIterator cIter = walk.GetTree <AbstractTreeIterator>(0);
if (cIter == null)
{
editor.Add(new DirCacheEditor.DeletePath(walk.PathString));
continue;
}
DirCacheEntry entry = new DirCacheEntry(walk.RawPath);
entry.FileMode = cIter.EntryFileMode;
entry.SetObjectIdFromRaw(cIter.IdBuffer, cIter.IdOffset);
DirCacheIterator dcIter = walk.GetTree <DirCacheIterator>(1);
if (dcIter != null && dcIter.IdEqual(cIter))
{
DirCacheEntry indexEntry = dcIter.GetDirCacheEntry();
entry.LastModified = indexEntry.LastModified;
entry.SetLength(indexEntry.Length);
}
editor.Add(new _PathEdit_356(entry, entry));
}
editor.Commit();
}
finally
{
dc.Unlock();
if (walk != null)
{
walk.Release();
}
}
}
public static void HardReset(NGit.Repository repo, ObjectId newHead)
{
DirCache dc = null;
try
{
// Reset head to upstream
RefUpdate ru = repo.UpdateRef(Constants.HEAD);
ru.SetNewObjectId(newHead);
ru.SetForceUpdate(true);
RefUpdate.Result rc = ru.Update();
switch (rc)
{
case RefUpdate.Result.NO_CHANGE:
case RefUpdate.Result.NEW:
case RefUpdate.Result.FAST_FORWARD:
case RefUpdate.Result.FORCED:
break;
case RefUpdate.Result.REJECTED:
case RefUpdate.Result.LOCK_FAILURE:
throw new ConcurrentRefUpdateException(JGitText.Get().couldNotLockHEAD, ru.GetRef(), rc);
default:
throw new JGitInternalException("Reference update failed: " + rc);
}
dc = repo.LockDirCache();
RevWalk rw = new RevWalk(repo);
RevCommit c = rw.ParseCommit(newHead);
DirCacheCheckout checkout = new DirCacheCheckout(repo, null, dc, c.Tree);
checkout.Checkout();
}
catch
{
if (dc != null)
{
dc.Unlock();
}
throw;
}
}
private void ResetIndexForPaths(RevCommit commit)
{
DirCache dc = null;
DirCacheEditor edit;
try
{
dc = repo.LockDirCache();
edit = dc.Editor();
TreeWalk tw = new TreeWalk(repo);
tw.AddTree(new DirCacheIterator(dc));
tw.AddTree(commit.Tree);
tw.Filter = PathFilterGroup.CreateFromStrings(filepaths);
while (tw.Next())
{
string path = tw.PathString;
// DirCacheIterator dci = tw.getTree(0, DirCacheIterator.class);
CanonicalTreeParser tree = tw.GetTree <CanonicalTreeParser>(1);
if (tree == null)
{
// file is not in the commit, remove from index
edit.Add(new DirCacheEditor.DeletePath(path));
}
else
{
// revert index to commit
edit.Add(new _PathEdit_281(tree, path));
}
}
edit.Commit();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
}
private void ResetIndexForPaths(RevCommit commit)
{
DirCache dc = null;
try
{
dc = repo.LockDirCache();
DirCacheBuilder builder = dc.Builder();
TreeWalk tw = new TreeWalk(repo);
tw.AddTree(new DirCacheBuildIterator(builder));
tw.AddTree(commit.Tree);
tw.Filter = PathFilterGroup.CreateFromStrings(filepaths);
tw.Recursive = true;
while (tw.Next())
{
CanonicalTreeParser tree = tw.GetTree <CanonicalTreeParser>(1);
// only keep file in index if it's in the commit
if (tree != null)
{
// revert index to commit
DirCacheEntry entry = new DirCacheEntry(tw.RawPath);
entry.FileMode = tree.EntryFileMode;
entry.SetObjectId(tree.EntryObjectId);
builder.Add(entry);
}
}
builder.Commit();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
private void CheckoutIndex(RevCommit commit)
{
DirCache dc = repo.LockDirCache();
try
{
DirCacheCheckout checkout = new DirCacheCheckout(repo, dc, commit.Tree);
checkout.SetFailOnConflict(false);
try
{
checkout.Checkout();
}
catch (NGit.Errors.CheckoutConflictException cce)
{
throw new NGit.Api.Errors.CheckoutConflictException(checkout.GetConflicts(), cce);
}
}
finally
{
dc.Unlock();
}
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Api.Errors.NoHeadException"></exception>
/// <exception cref="NGit.Api.Errors.JGitInternalException"></exception>
private RevCommit CheckoutCurrentHead()
{
ObjectId headTree = repo.Resolve(Constants.HEAD + "^{tree}");
if (headTree == null)
{
throw new NoHeadException(JGitText.Get().cannotRebaseWithoutCurrentHead);
}
DirCache dc = repo.LockDirCache();
try
{
DirCacheCheckout dco = new DirCacheCheckout(repo, dc, headTree);
dco.SetFailOnConflict(false);
bool needsDeleteFiles = dco.Checkout();
if (needsDeleteFiles)
{
IList <string> fileList = dco.GetToBeDeleted();
foreach (string filePath in fileList)
{
FilePath fileToDelete = new FilePath(repo.WorkTree, filePath);
if (fileToDelete.Exists())
{
FileUtils.Delete(fileToDelete, FileUtils.RECURSIVE | FileUtils.RETRY);
}
}
}
}
finally
{
dc.Unlock();
}
RevWalk rw = new RevWalk(repo);
RevCommit commit = rw.ParseCommit(repo.Resolve(Constants.HEAD));
rw.Release();
return(commit);
}
/// <exception cref="NGit.Errors.NoWorkTreeException"></exception>
/// <exception cref="System.IO.IOException"></exception>
public static void ValidateIndex(Git git)
{
DirCache dc = git.GetRepository().LockDirCache();
ObjectReader r = git.GetRepository().ObjectDatabase.NewReader();
try
{
for (int i = 0; i < dc.GetEntryCount(); ++i)
{
DirCacheEntry entry = dc.GetEntry(i);
if (entry.Length > 0)
{
NUnit.Framework.Assert.AreEqual(entry.Length, r.GetObjectSize(entry.GetObjectId()
, ObjectReader.OBJ_ANY));
}
}
}
finally
{
dc.Unlock();
r.Release();
}
}
/// <exception cref="System.IO.IOException"></exception>
private void CheckoutIndex(RevCommit commit)
{
DirCache dc = null;
try
{
dc = repo.LockDirCache();
DirCacheCheckout checkout = new DirCacheCheckout(repo, dc, commit.Tree);
checkout.SetFailOnConflict(false);
checkout.Checkout();
}
catch (IOException e)
{
throw;
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
}
/// <exception cref="System.IO.IOException"></exception>
private void ResetIndex(RevCommit commit)
{
DirCache dc = null;
try
{
dc = repo.LockDirCache();
dc.Clear();
DirCacheBuilder dcb = dc.Builder();
dcb.AddTree(new byte[0], 0, repo.NewObjectReader(), commit.Tree);
dcb.Commit();
}
catch (IOException e)
{
throw;
}
finally
{
if (dc != null)
{
dc.Unlock();
}
}
}
/// <summary>
/// Executes the
/// <code>commit</code>
/// command with all the options and parameters
/// collected by the setter methods of this class. Each instance of this
/// class should only be used for one invocation of the command (means: one
/// call to
/// <see cref="Call()">Call()</see>
/// )
/// </summary>
/// <returns>
/// a
/// <see cref="NGit.Revwalk.RevCommit">NGit.Revwalk.RevCommit</see>
/// object representing the successful commit.
/// </returns>
/// <exception cref="NGit.Api.Errors.NoHeadException">when called on a git repo without a HEAD reference
/// </exception>
/// <exception cref="NGit.Api.Errors.NoMessageException">when called without specifying a commit message
/// </exception>
/// <exception cref="NGit.Api.Errors.UnmergedPathsException">when the current index contained unmerged paths (conflicts)
/// </exception>
/// <exception cref="NGit.Api.Errors.ConcurrentRefUpdateException">
/// when HEAD or branch ref is updated concurrently by someone
/// else
/// </exception>
/// <exception cref="NGit.Api.Errors.WrongRepositoryStateException">when repository is not in the right state for committing
/// </exception>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
public override RevCommit Call()
{
CheckCallable();
RepositoryState state = repo.GetRepositoryState();
if (!state.CanCommit())
{
throw new WrongRepositoryStateException(MessageFormat.Format(JGitText.Get().cannotCommitOnARepoWithState
, state.Name()));
}
ProcessOptions(state);
try
{
if (all && !repo.IsBare && repo.WorkTree != null)
{
Git git = new Git(repo);
try
{
git.Add().AddFilepattern(".").SetUpdate(true).Call();
}
catch (NoFilepatternException e)
{
// should really not happen
throw new JGitInternalException(e.Message, e);
}
}
Ref head = repo.GetRef(Constants.HEAD);
if (head == null)
{
throw new NoHeadException(JGitText.Get().commitOnRepoWithoutHEADCurrentlyNotSupported
);
}
// determine the current HEAD and the commit it is referring to
ObjectId headId = repo.Resolve(Constants.HEAD + "^{commit}");
if (headId == null && amend)
{
throw new WrongRepositoryStateException(JGitText.Get().commitAmendOnInitialNotPossible
);
}
if (headId != null)
{
if (amend)
{
RevCommit previousCommit = new RevWalk(repo).ParseCommit(headId);
RevCommit[] p = previousCommit.Parents;
for (int i = 0; i < p.Length; i++)
{
parents.Add(0, p[i].Id);
}
if (author == null)
{
author = previousCommit.GetAuthorIdent();
}
}
else
{
parents.Add(0, headId);
}
}
// lock the index
DirCache index = repo.LockDirCache();
try
{
if (!only.IsEmpty())
{
index = CreateTemporaryIndex(headId, index);
}
ObjectInserter odi = repo.NewObjectInserter();
try
{
// Write the index as tree to the object database. This may
// fail for example when the index contains unmerged paths
// (unresolved conflicts)
ObjectId indexTreeId = index.WriteTree(odi);
if (insertChangeId)
{
InsertChangeId(indexTreeId);
}
// Create a Commit object, populate it and write it
NGit.CommitBuilder commit = new NGit.CommitBuilder();
commit.Committer = committer;
commit.Author = author;
commit.Message = message;
commit.SetParentIds(parents);
commit.TreeId = indexTreeId;
ObjectId commitId = odi.Insert(commit);
odi.Flush();
RevWalk revWalk = new RevWalk(repo);
try
{
RevCommit revCommit = revWalk.ParseCommit(commitId);
RefUpdate ru = repo.UpdateRef(Constants.HEAD);
ru.SetNewObjectId(commitId);
if (reflogComment != null)
{
ru.SetRefLogMessage(reflogComment, false);
}
else
{
string prefix = amend ? "commit (amend): " : "commit: ";
ru.SetRefLogMessage(prefix + revCommit.GetShortMessage(), false);
}
if (headId != null)
{
ru.SetExpectedOldObjectId(headId);
}
else
{
ru.SetExpectedOldObjectId(ObjectId.ZeroId);
}
RefUpdate.Result rc = ru.ForceUpdate();
switch (rc)
{
case RefUpdate.Result.NEW:
case RefUpdate.Result.FORCED:
case RefUpdate.Result.FAST_FORWARD:
{
SetCallable(false);
if (state == RepositoryState.MERGING_RESOLVED)
{
// Commit was successful. Now delete the files
// used for merge commits
repo.WriteMergeCommitMsg(null);
repo.WriteMergeHeads(null);
}
else
{
if (state == RepositoryState.CHERRY_PICKING_RESOLVED)
{
repo.WriteMergeCommitMsg(null);
repo.WriteCherryPickHead(null);
}
}
return(revCommit);
}
case RefUpdate.Result.REJECTED:
case RefUpdate.Result.LOCK_FAILURE:
{
throw new ConcurrentRefUpdateException(JGitText.Get().couldNotLockHEAD, ru.GetRef
(), rc);
}
default:
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().updatingRefFailed
, Constants.HEAD, commitId.ToString(), rc));
}
}
}
finally
{
revWalk.Release();
}
}
finally
{
odi.Release();
}
}
finally
{
index.Unlock();
}
}
catch (UnmergedPathException e)
{
throw new UnmergedPathsException(e);
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().exceptionCaughtDuringExecutionOfCommitCommand
, e);
}
}
/// <summary>Apply the changes in a stashed commit to the working directory and index
/// </summary>
/// <returns>id of stashed commit that was applied</returns>
/// <exception cref="NGit.Api.Errors.GitAPIException">NGit.Api.Errors.GitAPIException
/// </exception>
/// <exception cref="NGit.Api.Errors.WrongRepositoryStateException">NGit.Api.Errors.WrongRepositoryStateException
/// </exception>
public override ObjectId Call()
{
CheckCallable();
if (repo.GetRepositoryState() != RepositoryState.SAFE)
{
throw new WrongRepositoryStateException(MessageFormat.Format(JGitText.Get().stashApplyOnUnsafeRepository
, repo.GetRepositoryState()));
}
ObjectId headTree = GetHeadTree();
ObjectId stashId = GetStashId();
ObjectReader reader = repo.NewObjectReader();
try
{
RevWalk revWalk = new RevWalk(reader);
RevCommit stashCommit = revWalk.ParseCommit(stashId);
if (stashCommit.ParentCount != 2)
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().stashCommitMissingTwoParents
, stashId.Name));
}
RevTree stashWorkingTree = stashCommit.Tree;
RevTree stashIndexTree = revWalk.ParseCommit(stashCommit.GetParent(1)).Tree;
RevTree stashHeadTree = revWalk.ParseCommit(stashCommit.GetParent(0)).Tree;
CanonicalTreeParser stashWorkingIter = new CanonicalTreeParser();
stashWorkingIter.Reset(reader, stashWorkingTree);
CanonicalTreeParser stashIndexIter = new CanonicalTreeParser();
stashIndexIter.Reset(reader, stashIndexTree);
CanonicalTreeParser stashHeadIter = new CanonicalTreeParser();
stashHeadIter.Reset(reader, stashHeadTree);
CanonicalTreeParser headIter = new CanonicalTreeParser();
headIter.Reset(reader, headTree);
DirCache cache = repo.LockDirCache();
DirCacheEditor editor = cache.Editor();
try
{
DirCacheIterator indexIter = new DirCacheIterator(cache);
FileTreeIterator workingIter = new FileTreeIterator(repo);
TreeWalk treeWalk = new TreeWalk(reader);
treeWalk.Recursive = true;
treeWalk.Filter = new StashApplyCommand.StashDiffFilter();
treeWalk.AddTree(stashHeadIter);
treeWalk.AddTree(stashIndexIter);
treeWalk.AddTree(stashWorkingIter);
treeWalk.AddTree(headIter);
treeWalk.AddTree(indexIter);
treeWalk.AddTree(workingIter);
ScanForConflicts(treeWalk);
// Reset trees and walk
treeWalk.Reset();
stashWorkingIter.Reset(reader, stashWorkingTree);
stashIndexIter.Reset(reader, stashIndexTree);
stashHeadIter.Reset(reader, stashHeadTree);
treeWalk.AddTree(stashHeadIter);
treeWalk.AddTree(stashIndexIter);
treeWalk.AddTree(stashWorkingIter);
ApplyChanges(treeWalk, cache, editor);
}
finally
{
editor.Commit();
cache.Unlock();
}
}
catch (JGitInternalException e)
{
throw;
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().stashApplyFailed, e);
}
finally
{
reader.Release();
}
return(stashId);
}
/// <exception cref="NGit.Api.Errors.RefAlreadyExistsException">
/// when trying to create (without force) a branch with a name
/// that already exists
/// </exception>
/// <exception cref="NGit.Api.Errors.RefNotFoundException">if the start point or branch can not be found
/// </exception>
/// <exception cref="NGit.Api.Errors.InvalidRefNameException">
/// if the provided name is <code>null</code> or otherwise
/// invalid
/// </exception>
/// <exception cref="NGit.Api.Errors.CheckoutConflictException">if the checkout results in a conflict
/// </exception>
/// <returns>the newly created branch</returns>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
public override Ref Call()
{
CheckCallable();
ProcessOptions();
try
{
if (checkoutAllPaths || !paths.IsEmpty())
{
CheckoutPaths();
status = new CheckoutResult(CheckoutResult.Status.OK, paths);
SetCallable(false);
return(null);
}
if (createBranch)
{
Git git = new Git(repo);
CreateBranchCommand command = git.BranchCreate();
command.SetName(name);
command.SetStartPoint(GetStartPoint().Name);
if (upstreamMode != null)
{
command.SetUpstreamMode(upstreamMode);
}
command.Call();
}
Ref headRef = repo.GetRef(Constants.HEAD);
string shortHeadRef = GetShortBranchName(headRef);
string refLogMessage = "checkout: moving from " + shortHeadRef;
ObjectId branch = repo.Resolve(name);
if (branch == null)
{
throw new RefNotFoundException(MessageFormat.Format(JGitText.Get().refNotResolved
, name));
}
RevWalk revWalk = new RevWalk(repo);
AnyObjectId headId = headRef.GetObjectId();
RevCommit headCommit = headId == null ? null : revWalk.ParseCommit(headId);
RevCommit newCommit = revWalk.ParseCommit(branch);
RevTree headTree = headCommit == null ? null : headCommit.Tree;
DirCacheCheckout dco;
DirCache dc = repo.LockDirCache();
try
{
dco = new DirCacheCheckout(repo, headTree, dc, newCommit.Tree);
dco.SetFailOnConflict(true);
try
{
dco.Checkout();
}
catch (NGit.Errors.CheckoutConflictException e)
{
status = new CheckoutResult(CheckoutResult.Status.CONFLICTS, dco.GetConflicts());
throw new NGit.Api.Errors.CheckoutConflictException(dco.GetConflicts(), e);
}
}
finally
{
dc.Unlock();
}
Ref @ref = repo.GetRef(name);
if (@ref != null && [email protected]().StartsWith(Constants.R_HEADS))
{
@ref = null;
}
string toName = Repository.ShortenRefName(name);
RefUpdate refUpdate = repo.UpdateRef(Constants.HEAD, @ref == null);
refUpdate.SetForceUpdate(force);
refUpdate.SetRefLogMessage(refLogMessage + " to " + toName, false);
RefUpdate.Result updateResult;
if (@ref != null)
{
updateResult = refUpdate.Link(@ref.GetName());
}
else
{
refUpdate.SetNewObjectId(newCommit);
updateResult = refUpdate.ForceUpdate();
}
SetCallable(false);
bool ok = false;
switch (updateResult)
{
case RefUpdate.Result.NEW:
{
ok = true;
break;
}
case RefUpdate.Result.NO_CHANGE:
case RefUpdate.Result.FAST_FORWARD:
case RefUpdate.Result.FORCED:
{
ok = true;
break;
}
default:
{
break;
break;
}
}
if (!ok)
{
throw new JGitInternalException(MessageFormat.Format(JGitText.Get().checkoutUnexpectedResult
, updateResult.ToString()));
}
if (!dco.GetToBeDeleted().IsEmpty())
{
status = new CheckoutResult(CheckoutResult.Status.NONDELETED, dco.GetToBeDeleted(
));
}
else
{
status = new CheckoutResult(new AList <string>(dco.GetUpdated().Keys), dco.GetRemoved
());
}
return(@ref);
}
catch (IOException ioe)
{
throw new JGitInternalException(ioe.Message, ioe);
}
finally
{
if (status == null)
{
status = CheckoutResult.ERROR_RESULT;
}
}
}
/// <summary>
/// Stash the contents on the working directory and index in separate commits
/// and reset to the current HEAD commit.
/// </summary>
/// <remarks>
/// Stash the contents on the working directory and index in separate commits
/// and reset to the current HEAD commit.
/// </remarks>
/// <returns>stashed commit or null if no changes to stash</returns>
/// <exception cref="NGit.Api.Errors.GitAPIException">NGit.Api.Errors.GitAPIException
/// </exception>
public override RevCommit Call()
{
CheckCallable();
Ref head = GetHead();
ObjectReader reader = repo.NewObjectReader();
try
{
RevCommit headCommit = ParseCommit(reader, head.GetObjectId());
DirCache cache = repo.LockDirCache();
ObjectInserter inserter = repo.NewObjectInserter();
ObjectId commitId;
try
{
TreeWalk treeWalk = new TreeWalk(reader);
treeWalk.Recursive = true;
treeWalk.AddTree(headCommit.Tree);
treeWalk.AddTree(new DirCacheIterator(cache));
treeWalk.AddTree(new FileTreeIterator(repo));
treeWalk.Filter = AndTreeFilter.Create(new SkipWorkTreeFilter(1), new IndexDiffFilter
(1, 2));
// Return null if no local changes to stash
if (!treeWalk.Next())
{
return(null);
}
MutableObjectId id = new MutableObjectId();
IList <DirCacheEditor.PathEdit> wtEdits = new AList <DirCacheEditor.PathEdit>();
IList <string> wtDeletes = new AList <string>();
do
{
AbstractTreeIterator headIter = treeWalk.GetTree <AbstractTreeIterator>(0);
DirCacheIterator indexIter = treeWalk.GetTree <DirCacheIterator>(1);
WorkingTreeIterator wtIter = treeWalk.GetTree <WorkingTreeIterator>(2);
if (headIter != null && indexIter != null && wtIter != null)
{
if (!indexIter.GetDirCacheEntry().IsMerged())
{
throw new UnmergedPathsException(new UnmergedPathException(indexIter.GetDirCacheEntry
()));
}
if (wtIter.IdEqual(indexIter) || wtIter.IdEqual(headIter))
{
continue;
}
treeWalk.GetObjectId(id, 0);
DirCacheEntry entry = new DirCacheEntry(treeWalk.RawPath);
entry.SetLength(wtIter.GetEntryLength());
entry.LastModified = wtIter.GetEntryLastModified();
entry.FileMode = wtIter.EntryFileMode;
long contentLength = wtIter.GetEntryContentLength();
InputStream @in = wtIter.OpenEntryStream();
try
{
entry.SetObjectId(inserter.Insert(Constants.OBJ_BLOB, contentLength, @in));
}
finally
{
@in.Close();
}
wtEdits.AddItem(new _PathEdit_273(entry, entry));
}
else
{
if (indexIter == null)
{
wtDeletes.AddItem(treeWalk.PathString);
}
else
{
if (wtIter == null && headIter != null)
{
wtDeletes.AddItem(treeWalk.PathString);
}
}
}
}while (treeWalk.Next());
string branch = Repository.ShortenRefName(head.GetTarget().GetName());
// Commit index changes
NGit.CommitBuilder builder = CreateBuilder(headCommit);
builder.TreeId = cache.WriteTree(inserter);
builder.Message = MessageFormat.Format(indexMessage, branch, headCommit.Abbreviate
(7).Name, headCommit.GetShortMessage());
ObjectId indexCommit = inserter.Insert(builder);
// Commit working tree changes
if (!wtEdits.IsEmpty() || !wtDeletes.IsEmpty())
{
DirCacheEditor editor = cache.Editor();
foreach (DirCacheEditor.PathEdit edit in wtEdits)
{
editor.Add(edit);
}
foreach (string path in wtDeletes)
{
editor.Add(new DirCacheEditor.DeletePath(path));
}
editor.Finish();
}
builder.AddParentId(indexCommit);
builder.Message = MessageFormat.Format(workingDirectoryMessage, branch, headCommit
.Abbreviate(7).Name, headCommit.GetShortMessage());
builder.TreeId = cache.WriteTree(inserter);
commitId = inserter.Insert(builder);
inserter.Flush();
UpdateStashRef(commitId, builder.Author, builder.Message);
}
finally
{
inserter.Release();
cache.Unlock();
}
// Hard reset to HEAD
new ResetCommand(repo).SetMode(ResetCommand.ResetType.HARD).Call();
// Return stashed commit
return(ParseCommit(reader, commitId));
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().stashFailed, e);
}
finally
{
reader.Release();
}
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override bool MergeImpl()
{
bool implicitDirCache = false;
if (dircache == null)
{
dircache = GetRepository().LockDirCache();
implicitDirCache = true;
}
try
{
builder = dircache.Builder();
DirCacheBuildIterator buildIt = new DirCacheBuildIterator(builder);
tw = new NameConflictTreeWalk(db);
tw.AddTree(MergeBase());
tw.AddTree(sourceTrees[0]);
tw.AddTree(sourceTrees[1]);
tw.AddTree(buildIt);
if (workingTreeIterator != null)
{
tw.AddTree(workingTreeIterator);
}
while (tw.Next())
{
if (!ProcessEntry(tw.GetTree <CanonicalTreeParser>(T_BASE), tw.GetTree <CanonicalTreeParser
>(T_OURS), tw.GetTree <CanonicalTreeParser>(T_THEIRS), tw.GetTree <DirCacheBuildIterator
>(T_INDEX), (workingTreeIterator == null) ? null : tw.GetTree <WorkingTreeIterator
>(T_FILE)))
{
CleanUp();
return(false);
}
if (tw.IsSubtree && enterSubtree)
{
tw.EnterSubtree();
}
}
if (!inCore)
{
// All content-merges are successfully done. If we can now write the
// new index we are on quite safe ground. Even if the checkout of
// files coming from "theirs" fails the user can work around such
// failures by checking out the index again.
if (!builder.Commit())
{
CleanUp();
throw new IndexWriteException();
}
builder = null;
// No problem found. The only thing left to be done is to checkout
// all files from "theirs" which have been selected to go into the
// new index.
Checkout();
}
else
{
builder.Finish();
builder = null;
}
if (GetUnmergedPaths().IsEmpty())
{
resultTree = dircache.WriteTree(oi);
return(true);
}
else
{
resultTree = null;
return(false);
}
}
finally
{
if (implicitDirCache)
{
dircache.Unlock();
}
}
}
