name: build and cache random stuff
on:
  workflow_dispatch:
  push:
jobs:
  build:
    strategy:
      matrix:
        package:
          - github:cything/nixpkgs/d89cb92a38516c06964fbd814767c9936edaeb4d#lact
        os:
          - ubuntu-latest
          - macos-latest
    runs-on: ${{ matrix.os }}
    continue-on-error: true
    steps:
      - uses: DeterminateSystems/nix-installer-action@main
        with:
          logger: pretty

      # use sccache for Rust
      - name: Run sccache-cache
        if: (env.SCCACHE_GHA_ENABLED == 'true')
        uses: mozilla-actions/sccache-action@main

      # use rust-cache
      - uses: Swatinem/rust-cache@v2
        with:
          cache-all-crates: "true"
          cache-on-failure: "true"
          cache-targets: "true"

      - uses: DeterminateSystems/magic-nix-cache-action@main
      - name: Setup Attic cache
        uses: ryanccn/attic-action@v0
        with:
          endpoint: ${{ vars.ATTIC_ENDPOINT }}
          cache: ${{ vars.ATTIC_CACHE }}
          token: ${{ secrets.ATTIC_TOKEN }}
      - run: nix build -L '${{ matrix.package }}'