+ - git init
+ - git remote add origin https://github.com/haskell/haskell-ide-engine.git
+ - git pull origin master
+ - git submodule init
+ - git submodule sync
+ - git submodule update
+ # - cabal new-update
+ # - cabal new-configure
+ # - cabal new-build
+ # - export PATH=$HOME/haskell-ide-engine/dist-newstyle/build/*/ghc-*/haskell-ide-engine-*/x/hie/build:$PATH