name: ChecksumUpdate

on:
  pull_request:
    paths:
      - "srcpkgs/**"
    types:
      - opened
      - synchronize
    branches:
      - main
  workflow_dispatch:
    inputs:
      changed-pkg:
        description: "Package to checksum"
        default: ""

env:
  CHANGED_PKG: ${{ github.event.inputs.changed-pkg }}

jobs:
  checksum:
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/void-linux/void-glibc-full:latest
      options: --platform linux/amd64 --privileged
      volumes:
        - /dev:/dev
      env:
        ARCH: x86_64
        BOOTSTRAP: x86_64
        TEST: 1

    steps:
      - name: Prepare container
        run: |
          # switch to repo-ci mirror
          mkdir -p /etc/xbps.d && cp /usr/share/xbps.d/*-repository-*.conf /etc/xbps.d/
          sed -i 's|repo-default|repo-ci|g' /etc/xbps.d/*-repository-*.conf
          # install dependencies
          xbps-install -Suy xbps && xbps-install -Suy sudo xtools bash git
          # create non-root user
          useradd -G xbuilder -M builder

      - name: checkout local templates
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.ref }}

      - name: remember changed package
        if: ${{ env.CHANGED_PKG == '' }}
        run: |
          git config --global --add safe.directory $PWD
          echo "CHANGED_PKG=$(git diff --name-only origin/main origin/${GITHUB_HEAD_REF} "srcpkgs/*/template" | head -1 | cut -d/ -f2)" >> $GITHUB_ENV
          echo "CHANGED: ${{ env.CHANGED_PKG }}"

      - name: cache upstream
        uses: actions/cache@v4
        id: cache-upstream
        with:
          path: upstream
          key: void-templates-upstream-packages

      - name: checkout upstream templates
        uses: actions/checkout@v4
        with:
          repository: void-linux/void-packages
          ref: master
          fetch-depth: 1
          path: upstream

      - name: prep masterdir
        if: steps.cache-upstream.outputs.cache-hit != 'true'
        working-directory: upstream
        run: |
          chown -R builder:builder . &&
          sudo -Eu builder common/travis/set_mirror.sh &&
          sudo -Eu builder common/travis/prepare.sh

      - name: copy to upstream
        run: cp -rv srcpkgs/* upstream/srcpkgs

      - name: generate checksum
        working-directory: upstream
        run: sudo -Eu builder xgensum -f -i ${{ env.CHANGED_PKG }}

      - name: receive relevant copy from upstream
        run: |
          cp -r "upstream/srcpkgs/${{ env.CHANGED_PKG }}" srcpkgs

      - name: commit new checksum
        uses: stefanzweifel/git-auto-commit-action@v6
        with:
          file_pattern: "srcpkgs/${{ env.CHANGED_PKG }}/template"
          commit_message: "Update ${{ env.CHANGED_PKG }} checksum"