public _RefWriter_712(RefDirectory _enclosing, LockFile lck, RefDirectory.PackedRefList
oldPackedList, RefList <Ref> refs, RefList <Ref> baseArg1) : base(baseArg1)
{
this._enclosing = _enclosing;
this.lck = lck;
this.oldPackedList = oldPackedList;
this.refs = refs;
}
/// <exception cref="System.IO.IOException"></exception>
internal virtual void Delete(RefDirectoryUpdate update)
{
Ref dst = update.GetRef().GetLeaf();
string name = dst.GetName();
// Write the packed-refs file using an atomic update. We might
// wind up reading it twice, before and after the lock, to ensure
// we don't miss an edit made externally.
RefDirectory.PackedRefList packed = GetPackedRefs();
if (packed.Contains(name))
{
LockFile lck = new LockFile(packedRefsFile, update.GetRepository().FileSystem);
if (!lck.Lock())
{
throw new LockFailedException(packedRefsFile);
}
try
{
RefDirectory.PackedRefList cur = ReadPackedRefs();
int idx = cur.Find(name);
if (0 <= idx)
{
CommitPackedRefs(lck, cur.Remove(idx), packed);
}
}
finally
{
lck.Unlock();
}
}
RefList <RefDirectory.LooseRef> curLoose;
RefList <RefDirectory.LooseRef> newLoose;
do
{
curLoose = looseRefs.Get();
int idx = curLoose.Find(name);
if (idx < 0)
{
break;
}
newLoose = curLoose.Remove(idx);
}while (!looseRefs.CompareAndSet(curLoose, newLoose));
int levels = LevelsIn(name) - 2;
Delete(logWriter.LogFor(name), levels);
if (dst.GetStorage().IsLoose())
{
update.Unlock();
Delete(FileFor(name), levels);
}
modCnt.IncrementAndGet();
FireRefsChanged();
}
/// <exception cref="System.IO.IOException"></exception>
private RefDirectory.PackedRefList GetPackedRefs()
{
RefDirectory.PackedRefList curList = packedRefs.Get();
if (!curList.snapshot.IsModified(packedRefsFile))
{
return(curList);
}
RefDirectory.PackedRefList newList = ReadPackedRefs();
if (packedRefs.CompareAndSet(curList, newList) && !curList.id.Equals(newList.id))
{
modCnt.IncrementAndGet();
}
return(newList);
}
/// <exception cref="System.IO.IOException"></exception>
private void CommitPackedRefs(LockFile lck, RefList <Ref> refs, RefDirectory.PackedRefList
oldPackedList)
{
new _RefWriter_712(this, lck, oldPackedList, refs, refs).WritePackedRefs();
}
