name: nix

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest
    name: "nix build"
    environment: cachix
    timeout-minutes: 35
    steps:
      - uses: actions/checkout@v3
        with:
          # Nix Flakes doesn't work on shallow clones
          fetch-depth: 0
      - uses: cachix/install-nix-action@v17
      - uses: cachix/cachix-action@v10
        with:
          name: zellij
          # If you chose API tokens for write access OR if you have a private cache
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - run: |
          nix build || nix build --substituters 'https://cache.nixos.org' --extra-substituters ''
  build-msrv:
    runs-on: ubuntu-latest
    name: "build msrv"
    environment: cachix
    timeout-minutes: 35
    steps:
      - uses: actions/checkout@v3
        with:
          # Nix Flakes doesn't work on shallow clones
          fetch-depth: 0
      - uses: cachix/install-nix-action@v17
      - uses: cachix/cachix-action@v10
        with:
          name: zellij
          # If you chose API tokens for write access OR if you have a private cache
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - run: |
          nix build .#zellij-msrv || nix build .#zellij-msrv --substituters 'https://cache.nixos.org' --extra-substituters ''
      - if: ${{ failure() }}
        run: |
          echo "::error :: If this is the only ci step failing, it is likely that the MSRV needs to be bumped.