Nix Config CI

.github_workflows_build.yml

name: "Build and populate cache"
on:
  pull_request:
  push:
    branches:
      - main
      - master
jobs:
  build_nur:
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            platform: x86_64-linux
          - os: macos-latest
            platform: x86_64-darwin
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v4
      - uses: DeterminateSystems/magic-nix-cache-action@v2
      - name: Setup cachix
        uses: cachix/cachix-action@v12
        with:
          name: xyenon
          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
      - name: Build NUR packages
        run: ./scripts/nur_cachix.sh 'xyenon' 'xyenon' '${{ matrix.platform }}'

scripts_nur_cachix.sh

#!/usr/bin/env bash

set -euo pipefail

nur_repo="$1"
cachix_name="$2"
platform="$3"

tmp_dir=$(mktemp -d)
packages_json="$tmp_dir/packages.json"
curl -o "$packages_json" 'https://raw.githubusercontent.com/nix-community/nur-search/master/data/packages.json'
my_nur_pkgs=$(cat "$packages_json" | jq -r 'keys | .[]' | grep -F "nur.repos.$nur_repo.")
declare -a pkgs_to_build=()
for pkg in $my_nur_pkgs; do
    result=$(cat "$packages_json" | jq ".[\"$pkg\"].meta?.platforms? // [] | contains([\"$platform\"])")
    echo "Checking $pkg for $platform, result: $result"
    if [ $result == 'true' ]; then
        pkgs_to_build+=(".#$pkg")
    fi
done
echo "Packages to build: ${pkgs_to_build[@]}"
nix build --json ${pkgs_to_build[@]} |
    jq -r '.[].outputs | to_entries[].value' |
    cachix push "$cachix_name"