Mock realpath if it is not present
Mock realpath if it is not present

xfumihiro/powerline,Luffin/powerline,IvanAli/powerline,Liangjianghao/powerline,seanfisk/powerline,EricSB/powerline,cyrixhero/powerline,s0undt3ch/powerline,seanfisk/powerline,russellb/powerline,IvanAli/powerline,xfumihiro/powerline,dragon788/powerline,xxxhycl2010/powerline,Luffin/powerline,QuLogic/powerline,areteix/powerline,junix/powerline,areteix/powerline,s0undt3ch/powerline,junix/powerline,cyrixhero/powerline,IvanAli/powerline,EricSB/powerline,kenrachynski/powerline,lukw00/powerline,DoctorJellyface/powerline,S0lll0s/powerline,s0undt3ch/powerline,darac/powerline,EricSB/powerline,dragon788/powerline,blindFS/powerline,S0lll0s/powerline,Liangjianghao/powerline,xxxhycl2010/powerline,kenrachynski/powerline,QuLogic/powerline,S0lll0s/powerline,blindFS/powerline,cyrixhero/powerline,darac/powerline,Luffin/powerline,dragon788/powerline,DoctorJellyface/powerline,prvnkumar/powerline,russellb/powerline,lukw00/powerline,xfumihiro/powerline,prvnkumar/powerline,bezhermoso/powerline,kenrachynski/powerline,areteix/powerline,seanfisk/powerline,QuLogic/powerline,bezhermoso/powerline,prvnkumar/powerline,darac/powerline,Liangjianghao/powerline,russellb/powerline,blindFS/powerline,xxxhycl2010/powerline,bezhermoso/powerline,lukw00/powerline,DoctorJellyface/powerline,junix/powerline