Customizing Ribbon Control in SharePoint 2010

I have a custom document library and i want t开发者_运维技巧o disable the download as a copy option available in the ribbon control. Please note this disabling should be applicable only to this particular document library and it should not be reflected in other document libraries.

Scripting and changing the default behaviour in master page happens to affect all document libraries so is there any other options available?

Thanks!