private RefUpdateResult UpdateImpl(RevWalk.RevWalk walk, StoreBase store)
{
if (isNameConflicting())
{
return(RefUpdateResult.LockFailure);
}
var @lock = new LockFile(_looseFile);
if ([email protected]())
{
return(RefUpdateResult.LockFailure);
}
try
{
OldObjectId = _db.IdOf(Name);
if (_expValue != null)
{
ObjectId o = OldObjectId ?? ObjectId.ZeroId;
if (!AnyObjectId.equals(_expValue, o))
{
return(RefUpdateResult.LockFailure);
}
}
if (OldObjectId == null)
{
return(store.Store(@lock, RefUpdateResult.New));
}
RevObject newObj = SafeParse(walk, _newValue);
RevObject oldObj = SafeParse(walk, OldObjectId);
if (newObj == oldObj)
{
return(store.Store(@lock, RefUpdateResult.NoChange));
}
RevCommit newCom = (newObj as RevCommit);
RevCommit oldCom = (oldObj as RevCommit);
if (newCom != null && oldCom != null)
{
if (walk.isMergedInto(oldCom, newCom))
{
return(store.Store(@lock, RefUpdateResult.FastForward));
}
}
if (IsForceUpdate)
{
return(store.Store(@lock, RefUpdateResult.Forced));
}
return(RefUpdateResult.Rejected);
}
finally
{
@lock.Unlock();
}
}
private RefUpdateResult updateImpl(RevWalk.RevWalk walk, Store store)
{
RevObject newObj;
RevObject oldObj;
if (getRefDatabase().isNameConflicting(Name))
{
return(RefUpdateResult.LOCK_FAILURE);
}
try
{
if (!tryLock(true))
{
return(RefUpdateResult.LOCK_FAILURE);
}
if (expValue != null)
{
ObjectId o;
o = oldValue != null ? oldValue : ObjectId.ZeroId;
if (!AnyObjectId.equals(expValue, o))
{
return(RefUpdateResult.LOCK_FAILURE);
}
}
if (oldValue == null)
{
return(store.execute(RefUpdateResult.NEW));
}
newObj = safeParse(walk, newValue);
oldObj = safeParse(walk, oldValue);
if (newObj == oldObj)
{
return(store.execute(RefUpdateResult.NO_CHANGE));
}
if (newObj is RevCommit && oldObj is RevCommit)
{
if (walk.isMergedInto((RevCommit)oldObj, (RevCommit)newObj))
{
return(store.execute(RefUpdateResult.FAST_FORWARD));
}
}
if (IsForceUpdate)
{
return(store.execute(RefUpdateResult.FORCED));
}
return(RefUpdateResult.REJECTED);
}
finally
{
unlock();
}
}
/// <summary>
/// Lookup an existing mapping.
/// </summary>
/// <param name="toFind">the object identifier to find.</param>
/// <returns>the instance mapped to toFind, or null if no mapping exists.</returns>
public TObject Get(AnyObjectId toFind)
{
return(this.SingleOrDefault(x => AnyObjectId.equals(toFind.ToObjectId(), x.ToObjectId())));
}
