- # Download and unpack the stack executable
- - mkdir -p ~/.local/bin
- - export PATH=$HOME/.local/bin:$PATH
- - travis_retry curl -L https://get.haskellstack.org/stable/linux-x86_64.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
+- if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then choco install ghc cabal nodejs; /C/ProgramData/chocolatey/bin/RefreshEnv.cmd; fi
+- export PATH=$HOME/.cabal/bin:$PATH
+- mkdir -p $HOME/haskell-ide-engine
+- cd $HOME/haskell-ide-engine
+- git init
+- git remote add origin https://github.com/haskell/haskell-ide-engine.git
+- git pull origin master
+- git checkout abdb097f39e135deaf321a604c95f16cbda32678
+- git submodule update --init
+- cabal v2-update
+- cabal v2-install hie -j2 --overwrite-policy=always
+- cabal v2-install hoogle -j2 --overwrite-policy=always
+- hoogle generate
+- cd $TRAVIS_BUILD_DIR
+- cabal install Cabal --constraint "Cabal == 2.4.1.0"
+- npm update
+- npm i -g javascript-typescript-langserver