---
name: Update AUR Packages

on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:
    inputs:
      package:
        description: "Single package to update (blank = all)"
        required: false
        type: string
      force_rebuild:
        description: "Bump pkgrel even with no detected change"
        required: false
        type: boolean
        default: false
      force_refresh:
        description: "Re-download remote sources even without a version change"
        required: false
        type: boolean
        default: false
      no_git_push:
        description: "Dry run: do everything except push"
        required: false
        type: boolean
        default: false

defaults:
  run:
    shell: bash

jobs:
  update:
    runs-on: ubuntu-latest
    # A real Arch makepkg is required. Ubuntu's build environment silently
    # emits an empty .SRCINFO, which the AUR then rejects -- that is what broke
    # reflex-appimage, nethlink-appimage and pman-helper. regen_srcinfo() in
    # common.sh fails loudly if this ever regresses.
    #
    # Prebuilt by build-image.yaml (see dockerfile) so the toolchain is not
    # reinstalled in all six jobs every night.
    container:
      image: git.bjphoster.com/aur/autoupdate:latest
      credentials:
        username: ${{ vars.REGISTRY_USER }}
        password: ${{ secrets.GIT_TOKEN }}

    strategy:
      # One broken package must not cancel the rest of the matrix.
      fail-fast: false
      matrix:
        package:
          - nethlink-appimage
          - open-video-downloader-appimage
          - open-video-downloader-bin
          - pman-helper
          - reflex-appimage
          - tsparams

    steps:
      # No bootstrap step: node, git, openssh, jq, curl and the makepkg
      # toolchain all come from the prebuilt image above. node in particular
      # has to be present before this action runs, since actions/checkout is
      # JavaScript and the runner executes it with `node` from the image.
      - uses: actions/checkout@v4

      - name: Configure git and SSH
        env:
          GIT_NAME: ${{ vars.GIT_NAME }}
          GIT_EMAIL: ${{ vars.GIT_EMAIL }}
          GIT_HOST: ${{ vars.GIT_HOST }}
          GIT_TOKEN: ${{ secrets.GIT_TOKEN }}
          AUR_SSH_KEY: ${{ secrets.AUR_SSH_KEY }}
        run: |
          set -euo pipefail
          git config --global user.name "${GIT_NAME}"
          git config --global user.email "${GIT_EMAIL}"
          git config --global credential.helper store
          echo "https://${GIT_EMAIL//@/%40}:${GIT_TOKEN}@${GIT_HOST}" > ~/.git-credentials
          chmod 600 ~/.git-credentials

          mkdir -p ~/.ssh && chmod 700 ~/.ssh
          printf '%s\n' "${AUR_SSH_KEY}" > ~/.ssh/aur
          chmod 600 ~/.ssh/aur
          ssh-keyscan -t rsa,ecdsa,ed25519 aur.archlinux.org >> ~/.ssh/known_hosts 2>/dev/null
          cat >> ~/.ssh/config <<'EOF'
          Host aur.archlinux.org
            User aur
            IdentityFile ~/.ssh/aur
            IdentitiesOnly yes
          EOF
          chmod 600 ~/.ssh/config

      # The `builder` user is baked into the image; this only hands it the
      # workspace and the credentials written by the previous step.
      - name: Hand over to the build user
        run: |
          set -euo pipefail
          chown -R builder:builder "${GITHUB_WORKSPACE}"
          cp -r /root/.ssh /root/.gitconfig /root/.git-credentials /home/builder/ 2>/dev/null || true
          chown -R builder:builder /home/builder

      - name: Update ${{ matrix.package }}
        env:
          GIT_HOST: ${{ vars.GIT_HOST }}
          # Compared against both `true` and 'true' on purpose. A bare
          # `${{ inputs.x && '1' || '' }}` is wrong if the runner hands the
          # input over as the STRING "false", which is truthy -- that would
          # silently enable the flag on every run.
          FORCE_REBUILD: ${{ (inputs.force_rebuild == true || inputs.force_rebuild == 'true') && '1' || '' }}
          FORCE_REFRESH: ${{ (inputs.force_refresh == true || inputs.force_refresh == 'true') && '1' || '' }}
          NO_GIT_PUSH: ${{ (inputs.no_git_push == true || inputs.no_git_push == 'true') && '1' || '' }}
        run: |
          set -euo pipefail
          # workflow_dispatch with a package name runs only that one.
          want="${{ inputs.package }}"
          if [ -n "${want}" ] && [ "${want}" != "${{ matrix.package }}" ]; then
            echo "skipping ${{ matrix.package }} (dispatch asked for ${want})"
            exit 0
          fi
          runuser -u builder -- env \
            GIT_HOST="${GIT_HOST}" \
            FORCE_REBUILD="${FORCE_REBUILD}" \
            FORCE_REFRESH="${FORCE_REFRESH}" \
            NO_GIT_PUSH="${NO_GIT_PUSH}" \
            ./autoupdate.sh "${{ matrix.package }}"