+- mkdir -p $HOME/haskell-ide-engine
+- pushd $HOME/haskell-ide-engine
+- git init
+- git remote add origin https://github.com/haskell/haskell-ide-engine.git
+- git pull origin master
+- git checkout 0f697c8919747effca54be8a9b494896aea7d947
+- git submodule update --init
+- cabal v2-update
+- |
+ if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
+ cabal v2-install hie -j2 --overwrite-policy=always --install-method=copy
+ else
+ cabal v2-install hie -j2 --overwrite-policy=always
+ fi
+- |
+ if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
+ cabal v2-install hoogle -j2 --overwrite-policy=always --install-method=copy
+ else
+ cabal v2-install hoogle -j2 --overwrite-policy=always
+ fi
+- hoogle generate
+- popd
+# needs to be old-install for cabal-helper to find it
+- cabal v1-install Cabal --constraint "Cabal == 2.4.1.0"