name: install-nix
description: Composite action to checkout the repo and install Nix with flakes enabled
runs:
  using: composite
  steps:
    - name: Install Nix
      uses: cachix/install-nix-action@v31
      with:
        extra_nix_config: |
          experimental-features = nix-command flakes
    - name: Prewarm flake devShell
      run: |
        # use the flake devShell defined in ./flake.nix to fetch deps
        nix develop --command true
      shell: bash

    - name: Install Nix
      uses: cachix/install-nix-action@v31
      with:
        extra_nix_config: |
          experimental-features = nix-command flakes

    - name: Prewarm flake devShell
      run: |
        # use the flake devShell defined in ./flake.nix to fetch deps
        nix develop --command true
      shell: bash