skip copying non-existent source directories
skip copying non-existent source directories

tolbertam/ccm,tolbertam/ccm,mike-tr-adamson/ccm,AtwooTM/ccm,pcmanus/ccm,kishkaru/ccm,pcmanus/ccm,mike-tr-adamson/ccm,pombredanne/ccm,mikefero/ccm,thobbs/ccm,thobbs/ccm,bcantoni/ccm,mike-tr-adamson/ccm,pcmanus/ccm,bcantoni/ccm,mikefero/ccm,jorgebay/ccm