/// <summary>
/// Executes the
/// <code>Add</code>
/// command. Each instance of this class should only
/// be used for one invocation of the command. Don't call this method twice
/// on an instance.
/// </summary>
/// <returns>the DirCache after Add</returns>
/// <exception cref="NGit.Api.Errors.GitAPIException"></exception>
/// <exception cref="NGit.Api.Errors.NoFilepatternException"></exception>
public override DirCache Call()
{
if (filepatterns.IsEmpty())
{
throw new NoFilepatternException(JGitText.Get().atLeastOnePatternIsRequired);
}
CheckCallable();
DirCache dc = null;
bool addAll = false;
if (filepatterns.Contains("."))
{
addAll = true;
}
ObjectInserter inserter = repo.NewObjectInserter();
try
{
dc = repo.LockDirCache();
DirCacheIterator c;
DirCacheBuilder builder = dc.Builder();
TreeWalk tw = new TreeWalk(repo);
tw.AddTree(new DirCacheBuildIterator(builder));
if (workingTreeIterator == null)
{
workingTreeIterator = new FileTreeIterator(repo);
}
tw.AddTree(workingTreeIterator);
tw.Recursive = true;
if (!addAll)
{
tw.Filter = PathFilterGroup.CreateFromStrings(filepatterns);
}
string lastAddedFile = null;
while (tw.Next())
{
string path = tw.PathString;
WorkingTreeIterator f = tw.GetTree <WorkingTreeIterator>(1);
if (tw.GetTree <DirCacheIterator>(0) == null && f != null && f.IsEntryIgnored())
{
}
else
{
// file is not in index but is ignored, do nothing
// In case of an existing merge conflict the
// DirCacheBuildIterator iterates over all stages of
// this path, we however want to add only one
// new DirCacheEntry per path.
if (!(path.Equals(lastAddedFile)))
{
if (!(update && tw.GetTree <DirCacheIterator>(0) == null))
{
c = tw.GetTree <DirCacheIterator>(0);
if (f != null)
{
// the file exists
long sz = f.GetEntryLength();
DirCacheEntry entry = new DirCacheEntry(path);
if (c == null || c.GetDirCacheEntry() == null || !c.GetDirCacheEntry().IsAssumeValid)
{
FileMode mode = f.GetIndexFileMode(c);
entry.FileMode = mode;
if (FileMode.GITLINK != mode)
{
entry.SetLength(sz);
entry.LastModified = f.GetEntryLastModified();
long contentSize = f.GetEntryContentLength();
InputStream @in = f.OpenEntryStream();
try
{
entry.SetObjectId(inserter.Insert(Constants.OBJ_BLOB, contentSize, @in));
}
finally
{
@in.Close();
}
}
else
{
entry.SetObjectId(f.EntryObjectId);
}
builder.Add(entry);
lastAddedFile = path;
}
else
{
builder.Add(c.GetDirCacheEntry());
}
}
else
{
if (c != null && (!update || FileMode.GITLINK == c.EntryFileMode))
{
builder.Add(c.GetDirCacheEntry());
}
}
}
}
}
}
inserter.Flush();
builder.Commit();
SetCallable(false);
}
catch (IOException e)
{
throw new JGitInternalException(JGitText.Get().exceptionCaughtDuringExecutionOfAddCommand
, e);
}
finally
{
inserter.Release();
if (dc != null)
{
dc.Unlock();
}
}
return(dc);
}
