ci.yml

name: CI

on:
  workflow_dispatch:
  merge_group:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  generate-matrix:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Post initial package status comment
        uses: marocchino/sticky-pull-request-comment@v2.9.0
        with:
          recreate: true
          message: |
            Thanks for your Pull Request!

            This comment will be updated automatically with the status of each package.

      - name: Generate CI Matrix
        id: generate-matrix
        uses: ./.github/generate-matrix
        with:
          is-initial: 'true'
          cachix-cache: ${{ vars.CACHIX_CACHE }}
    outputs:
      matrix: ${{ steps.generate-matrix.outputs.matrix }}
      comment: ${{ steps.generate-matrix.outputs.comment }}

  build:
    needs: generate-matrix
    if: needs.generate-matrix.outputs.matrix != '{}' && needs.generate-matrix.outputs.matrix != '{"include":[]}'
    strategy:
      fail-fast: false
      matrix: ${{fromJSON(needs.generate-matrix.outputs.matrix)}}

    name: ${{ matrix.package }} | ${{ matrix.system }}
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.allowedToFail }}

    steps:
      - uses: actions/checkout@v4

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v14
        with:
          extra-conf:
            accept-flake-config = true

      - uses: cachix/cachix-action@v15
        with:
          name: ${{ vars.CACHIX_CACHE }}
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}

      - name: Build ${{ matrix.package }}
        run: nix build -L --json --no-link '.#packages.${{ matrix.attrPath }}'

  results:
    runs-on: ubuntu-latest
    name: Final Results
    needs: [build, generate-matrix]
    steps:
      - uses: actions/checkout@v4

      - name: Generate Matrix
        uses: ./.github/generate-matrix
        with:
          is-initial: 'false'
          cachix-cache: ${{ vars.CACHIX_CACHE }}

      - run: exit 1
        if: >-
          ${{ fromJSON(needs.generate-matrix.outputs.matrix).include.length > 0 &&
            (contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled')) }}
      - run: exit 0
        if: ${{fromJSON(needs.generate-matrix.outputs.matrix).include.length == 0}}

  check-style:
    name: Check style
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v14
        with:
          extra-conf:
            accept-flake-config = true

      - uses: cachix/cachix-action@v15
        with:
          name: ${{ vars.CACHIX_CACHE }}
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}

      - name: Build dev shell
        run: nix develop .#ci -c echo 'Devshell built successfully.'

      - name: Check style
        run: nix develop .#ci -c pre-commit run --all-files