build.yml

name: "Build and populate cache"
on:
  pull_request:
  push:
  schedule:
    - cron:  '51 2 * * *'

env:
  NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM: 1

jobs:
  tests:
    strategy:
      matrix:
        nurRepo:
          - p3psi-nur
        cachixName:
          - p3psi
        nixPath:
          - nixpkgs=channel:nixpkgs-unstable
    runs-on: ubuntu-latest
    steps:
    - name: Checkout repository
      uses: actions/checkout@v2.3.4
    - name: Install nix
      uses: cachix/install-nix-action@v12
      with:
        nix_path: "${{ matrix.nixPath }}"
    - name: Show nixpkgs version
      run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
    - name: Setup cachix
      uses: cachix/cachix-action@v8
      if: ${{ matrix.cachixName != 'p3psi' }}
      with:
        name: ${{ matrix.cachixName }}
        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
    - name: Check evaluation
      run: |
        nix-env -f . -qa \* --meta --xml \
          --allowed-uris https://static.rust-lang.org \
          --option restrict-eval true \
          --option allow-import-from-derivation true \
          --drv-path --show-trace \
          -I nixpkgs=$(nix-instantiate --find-file nixpkgs) \
          -I $PWD
    - name: Build nix packages
      run: nix run -I 'nixpkgs=channel:nixpkgs-unstable' nixpkgs.nix-build-uncached -c nix-build-uncached ci.nix -A cacheOutputs
    - name: Trigger NUR update
      run: curl -XPOST "https://nur-update.herokuapp.com/update?repo=${{ matrix.nurRepo }}"