check_pr.yml

name: Test build changed packages on pr

on:
  pull_request:
    branches:
      - main

jobs:
  extract_changed_files:
    name: Extract files changed in a PR
    runs-on: ubuntu-latest

    container:
      image: ghcr.io/johnthecoolingfan/gentoo-action-image:desktop

    defaults:
      run:
        shell: bash

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Run pkgcheck scan
        working-directory: ./repo/games-misc/${{ inputs.package }}
        run: pkgcheck scan

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v45

      - name: Filter changed files
        id: ebuild-files
        env:
          ALL_CHANGED_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
        run: |
          echo "::set-output name=matrix::$(printf '%s\n' "${ALL_CHANGED_FILES[@]}" | grep '\.ebuild$' | jq -R . | jq -sc .)"

  test_changed_packages:
    name: Test build changed packages
    runs-on: ubuntu-latest

    needs: extract_changed_files

    container:
      image: ghcr.io/johnthecoolingfan/gentoo-action-image:desktop

    defaults:
      run:
        shell: bash

    strategy:
      package: ${{ fromJson(needs.extract_changed_files.outputs.matrix) }}

    env:
      PACKAGE_FILE: ${{ matrix.package }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install repo
        run: |
          ./.github/workflow-utils/add-repo.sh ./

      - name: bash var shenanigans
        run: |
          echo "PACKAGE_FILENAME=$(basename ${PACKAGE_FILE})" >> $GITHUB_ENV

      - name: Install dependencies of the package
        run: |
          emerge --autounmask y --autounmask-continue y --onlydeps "=games-misc/${PACKAGE_FILENAME#.ebuild}"

      - name: Try to build and install (merge) the package
        run: |
          emerge --autounmask y --autounmask-continue y "=games-misc/${PACKAGE_FILENAME#.ebuild}"