/// <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();
}
}
