image:
  file: .gitpod.Dockerfile
# List the start up tasks. Learn more https://www.gitpod.io/docs/config-start-tasks/
tasks:
  - name: Setup
    before: |
      # Make sure some folders not in /workspace persist between worksapce restarts.
      # You may add additional directories to this list.
      declare -a CACHE_DIRS=(
        $HOME/.local
        $HOME/.cabal
        $HOME/.stack
        $HOME/.cache/ghcide
        $HOME/.cache/hie-bios
        /nix
      )
      for DIR in "${CACHE_DIRS[@]}"; do
        mkdir -p $(dirname /workspace/cache$DIR)
        mkdir -p $DIR # in case $DIR doesn't already exist
        # On a fresh start with no prebuilds, we move existing directory
        # to /workspace. 'sudo mv' fails with 'no permission', I don't know why
        if [ ! -d /workspace/cache$DIR ]; then
          sudo cp -rp $DIR /workspace/cache$DIR
          sudo rm -rf $DIR/*
        fi
        mkdir -p /workspace/cache$DIR # make sure it exists even if cp fails
        # Now /workspace/cache$DIR exists.
        # Use bind mount to make $DIR backed by /workspace/cache$DIR
        sudo mount --bind /workspace/cache$DIR $DIR
      done

      # Install pre-commit hook
      pre-commit install

      # Configure VSCode to use the locally built version of HLS
      mkdir -p .vscode
      if [ ! -f .vscode/settings.json ]; then
        # Only write to .vscode/settings.json if it doesn't exist.
        echo '{' > .vscode/settings.json
        echo '  "haskell.serverExecutablePath": "/home/gitpod/.cabal/bin/haskell-language-server",' >> .vscode/settings.json
        echo '  "haskell.formattingProvider": "stylish-haskell"' >> .vscode/settings.json
        echo '}' >> .vscode/settings.json
      fi

      pip install -r docs/requirements.txt
    init: |
      cabal update
      cabal configure --enable-executable-dynamic
      cabal build --enable-tests all
      cabal install exe:haskell-language-server

# List the ports to expose. Learn more https://www.gitpod.io/docs/config-ports/
ports: []

github:
  prebuilds:
    # enable for the master/default branch (defaults to true)
    master: true
    # enable for all branches in this repo (defaults to false)
    branches: false
    # enable for pull requests coming from this repo (defaults to true)
    pullRequests: true
    # enable for pull requests coming from forks (defaults to false)
    pullRequestsFromForks: true
    # add a "Review in Gitpod" button as a comment to pull requests (defaults to true)
    addComment: false
    # add a "Review in Gitpod" button to pull requests (defaults to false)
    addBadge: true
    # add a label once the prebuild is ready to pull requests (defaults to false)
    addLabel: false

vscode:
  extensions:
    - "haskell.haskell"
    - "justusadam.language-haskell"
    - "EditorConfig.EditorConfig"