name: 'Get image ready to run nix jobs'
description: 'Update apt repositories and installing sudo'
inputs:
  nix-version:
    description: 'Nix version to be installed'
    required: false
    default: nixos-unstable
runs:
  using: 'composite'
  steps:
    - name: 'Installing nix on Docker runner'
      shell: bash
      run: |
        apt update
        apt upgrade
        apt install sudo
    - uses: https://github.com/cachix/install-nix-action@v29
      with:
        nix_path: nixpkgs=channel:${{ inputs.nix-version }}
        extra_nix_config: |
          trusted-public-keys = skynet-cache:zMFLzcRZPhUpjXUy8SF8Cf7KGAZwo98SKrzeXvdWABo= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
          substituters = https://nix-cache.skynet.ie/skynet-cache https://hydra.iohk.io https://cache.nixos.org/
    - shell: bash
      run: nix-channel --list