1. line 99 tries to extract a zipped file which would be downloaded later(at line 105), and then line 112 will extract that file again, except that it's using a wrong argument "zxvf".
fix: comment out line 99, fix line 112 args from "zxvf" to "xvf"
2. typo at line 116, I think it should be "NODE_DIR", it was "NVIM_DIR", which hasn't be installed yet.
