Github action to install a specific version of https://dhall-lang.org.

This will add the following executables to your PATH, making them available for further actions:

• dhall
• dhall-to-json
• dhall-to-yaml
• json-to-dhall

Note: Currently this only supports the ubuntu- runtimes for actions. See TODO below.

Optional The version of Dhall to install. Default: latest.

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: dhall-lang/setup-dhall@v2
      - run: dhall version

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: dhall-lang/setup-dhall@v2
        with:
          version: '1.28.0'
      - run: dhall version
      - run: dhall-to-json --version

• Add platform validation on action to fail early if a non-ubuntu runner is used
• Add support for the macOS runner
• Add support for the Windows runner