use rsync so we can exclude the work_dir
use rsync so we can exclude the work_dir

innodee/openstackk,ykaneko/devstack,affo/devstack,sequenceiq/devstack,wenhuizhang/devstack,affo/devstack,j4/devstack,ozamiatin/devstack,promptworks/devstack,prithivm/branch01,nuxeh/devstack,rushiagr/devstack,bq-xiao/devstack,group-policy/devstack,samgoon/devstack,CloudServer/devstack,herrsechs/devstack,neerja28/Devstack_GlusterFS,ozamiatin/devstack,liuquansheng47/devstack,CloudServer/devstack,noironetworks/devstack,pczerkas/devstack,cloudbuilders/devstack,savi-dev/devstack,eshnil2000/devstack,inkerra/devstack,andrewrothstein/devstack,dtroyer/devstack,CiscoSystems/devstack,ewindisch/raspi-devstack,wenhuizhang/devstack,citrix-openstack-build/devstack,vsham20/devstack,bq-xiao/devstack,nati/devstack_public,savi-dev/devstack,bljgaurav/openstack-test,bswartz/devstack,j4/devstack,BSJAIN92/OpenStack,Mahito/devstack,promptworks/devstack,olivierlemasle/devstack,Mahito/devstack,ykaneko/devstack,andrewrothstein/devstack,TwinkleChawla/devstack,mssumanth/devstack,avvocatodemarchis/devstack,openstack-dev/devstack,openstack-dev/devstack,tianweizhang/devstack,kplus/devstack-moonshot,BSJAIN92/OpenStack,varunarya10/devstack,sc68cal/devstack,vishnugonela/devstack,samgoon/devstack,herrsechs/devstack,vishnugonela/devstack,dirkmueller/devstack,nuxeh/devstack,dirkmueller/devstack,HPCHub/devstack,cloudbuilders/devstack,Juniper/devstack,upadhyay-prashant/devstack,srics/devstack,thomasem/devstack,dtroyer/devstack,ewindisch/raspi-devstack,parul24/devstack,atulpatil301/devstack,mc2014/devstack,tianweizhang/devstack,virtualopensystems/devstack,JioCloud/devstack,deepakselvaraj/devstack,pombredanne/devstack,bljgaurav/openstack-test,sc68cal/devstack,Millnert/contrail-devstack,avvocatodemarchis/devstack,liuquansheng47/devstack,eharney/devstack,pacinete/devstack,mssumanth/devstack,nawawi/openstack,flavio-fernandes/devstack,richliu/devstack,sstrato/devstack,neerja28/Devstack_GlusterFS,yamt/devstack,bswartz/devstack,williamthegrey/devstack,flavio-fernandes/devstack,eharney/devstack,shootstar/devstacktest,citrix-openstack-build/devstack,richliu/devstack,mmasaki/devstack,bigswitch/devstack,costingalan/devstack,vsham20/devstack,pombredanne/devstack,jamielennox/devstack,parul24/devstack,olivierlemasle/devstack,nawawi/openstack,bigswitch/devstack,atulpatil301/devstack,NaokiMiyata/devstack,thomasem/devstack,TwinkleChawla/devstack,armando-migliaccio/devstack,LoHChina/devstack,prithivm/branch01,mc2014/devstack,noironetworks/devstack,LoHChina/devstack,upadhyay-prashant/devstack,r-mibu/devstack,pacinete/devstack,nati/devstack_public,varunarya10/devstack,r-mibu/devstack,costingalan/devstack,Yuriy-Leonov/devstack,kplus/devstack-moonshot,mmasaki/devstack,HPCHub/devstack,group-policy/devstack,nttmcl/devstack_public,rushiagr/devstack,NaokiMiyata/devstack,sequenceiq/devstack,pczerkas/devstack,nttmcl/devstack_public