When none of the directories exist, don't `find` within them.
When none of the directories exist, don't `find` within them.

IonicaBizauKitchen/nvm,jhliberty/nvm,Theodeus/nvm,Salahudeen/nvm,cirosantilli/nvm,devedbox/nvm,vinaykaradia/clone-nvm,Kuzirashi/nvm,mmorejon/nvm,WY08271/nvm,tlevine/nvm,dfackler/nvm,kmctown/nvm,LeeLovCY/nvm,Ingelheim/nvm,PeterDaveHelloKitchen/nvm,nontage24/nvm,ljharb/nvm,ljharb/nvm,gtdeng/nvm,cirosantilli/nvm,scq000/nvm,hkdobrev/nvm,scq000/nvm,domenicosolazzo/nvm,dfackler/nvm,PeterDaveHello/nvm,joneit/nvm,edwmurph/nvm,kmctown/nvm,wskplho/nvm,vinaykaradia/clone-nvm,elrasguno/nvm,cnpm/nvm,PeterDaveHello/nvm,cjac/nvm,edwmurph/nvm,CristianCantoro/nvm,psychoss/nvm,Kuzirashi/nvm,wahyutaufik/nvm,reybango/nvm,fnogatz/swivm,Theodeus/nvm,modulexcite/nvm,hanhailong/nvm,JanChw/nvm,elrasguno/nvm,parasaro92/nvm,evocateur/nvm,greyhwndz/nvm,misterdjules/nvm,michael-ni/nvm,kumaria/nvm,bevacqua/nvm,DigitallySeamless/nvm,Richardphp/nvm,slariviere/nvm,hanhailong/nvm,SampleLiao/nvm,JasonChrYoung/nvm,pmq20/nvm,wahyutaufik/nvm,mmorejon/nvm,youleiy/nvm,creationix/nvm,cnpm/nvm,bbuck/nvm,owen-it/nvm,jbergstroem/nvm,modulexcite/nvm,devedbox/nvm,lukechilds/nvm,joneit/nvm,psychoss/nvm,cjac/nvm,reybango/nvm,tianzhihen/nvm,nontage24/nvm,slariviere/nvm,icyflame/nvm,hkdobrev/nvm,JanChw/nvm,thomasf/nvm,LeeLovCY/nvm,michael-ni/nvm,kumaria/nvm,mirydz/nvm,egilkh/nvm,woss/nvm,egilkh/nvm,parasaro92/nvm,jbergstroem/nvm,misterdjules/nvm,jaawerth/nvm,williamboman/nvm,Richardphp/nvm,wskplho/nvm,DigitallySeamless/nvm,jaawerth/nvm,tlevine/nvm,Salahudeen/nvm,WY08271/nvm,woss/nvm,IonicaBizauKitchen/nvm,chinazhaghai/nvm,creationix/nvm,pmq20/nvm,youleiy/nvm,JasonChrYoung/nvm,tianzhihen/nvm,mirydz/nvm,SampleLiao/nvm,Ingelheim/nvm,diegofcb10/nvm,diegofcb10/nvm,christophercaburog/nvm,jhliberty/nvm,domenicosolazzo/nvm,evocateur/nvm,PeterDaveHelloKitchen/nvm,gtdeng/nvm,bbuck/nvm,bevacqua/nvm,lukechilds/nvm,williamboman/nvm,thomasf/nvm,greyhwndz/nvm,icyflame/nvm,chinazhaghai/nvm,christophercaburog/nvm,owen-it/nvm,CristianCantoro/nvm