// ===========================================================================
// Copyright 2018 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
//
//	This procedure removes any render layer adjustment 
//	and unlocks the attr,
//	so that command line rendering can override the value.
//
global proc removeRenderLayerAdjustmentAndUnlock(string $plug)
{
	global string $gRenderLayersForCmdLineRender[];	

	// Keep track of the attributes we are removing from render layers.
	// These will be applied after render layers are activated at batch render time.
	global string $gMayaBatchRenderIgnoreOverridesForAttributes[];
	$overideArraySize = size($gMayaBatchRenderIgnoreOverridesForAttributes);
	$gMayaBatchRenderIgnoreOverridesForAttributes[$overideArraySize] = $plug;

    if (`getAttr -lock $plug`) {
        // If the plug is from a referenced file this will fail, but we
        // catch the exception which allows our script to continue.
	    catchQuiet(`setAttr -lock off $plug`);
    }
	
	// list of render layers in the scene
	if( size($gRenderLayersForCmdLineRender) == 0 )
	{
		$gRenderLayersForCmdLineRender = `listConnections renderLayerManager.renderLayerId`;
	}
	
	// for each render layer, 
	// call editRenderLayerAdjustment
	for($layer in $gRenderLayersForCmdLineRender)
	{
		// skip defaultRenderLayer
		if( $layer != "defaultRenderLayer" )
		{
			editRenderLayerAdjustment -layer $layer -remove $plug;
		}
	}
	
	
}