monitor-upstream.yml

name: Monitor Upstream Releases

on:
  schedule:
    # Run daily at 00:00 UTC
    - cron: '0 0 * * *'
  workflow_dispatch:
    inputs:
      package:
        description: 'Specific package to check (leave empty for all)'
        required: false
        type: string
      force:
        description: 'Force update even if version unchanged'
        required: false
        type: boolean
        default: false

permissions:
  contents: write

jobs:
  detect-updates:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Configure Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y curl jq

      - name: Discover packages
        id: discover
        run: |
          if [[ -n "${{ github.event.inputs.package }}" ]]; then
            echo "packages=${{ github.event.inputs.package }}" >> "${GITHUB_OUTPUT}"
          else
            packages=$(find pkgs -mindepth 1 -maxdepth 1 -type d -exec basename {} \; | sort | jq -R -s -c 'split("\n")[:-1]')
            echo "packages=${packages}" >> "${GITHUB_OUTPUT}"
          fi

      - name: Check for updates
        run: |
          set -euo pipefail

          packages='${{ steps.discover.outputs.packages }}'
          force_flag=""
          if [[ "${{ github.event.inputs.force }}" == "true" ]]; then
            force_flag="--force"
          fi

          updated_packages=()

          if [[ "${packages}" == *"["* ]]; then
            # JSON array from discovery
            for pkg in $(echo "${packages}" | jq -r '.[]'); do
              echo "Checking ${pkg}..."
              if scripts/update-package.sh "${pkg}" ${force_flag}; then
                if git diff --quiet "pkgs/${pkg}/PKGBUILD" 2>/dev/null; then
                  echo "No changes detected for ${pkg}"
                else
                  echo "Updates detected for ${pkg}"
                  updated_packages+=("${pkg}")
                fi
              else
                echo "Failed to check ${pkg}" >&2
              fi
            done
          else
            # Single package from manual input
            pkg="${packages}"
            echo "Checking ${pkg}..."
            if scripts/update-package.sh "${pkg}" ${force_flag}; then
              if git diff --quiet "pkgs/${pkg}/PKGBUILD" "pkgs/${pkg}/.SRCINFO" 2>/dev/null; then
                echo "No changes detected for ${pkg}"
              else
                echo "Updates detected for ${pkg}"
                updated_packages+=("${pkg}")
              fi
            else
              echo "Failed to check ${pkg}" >&2
              exit 1
            fi
          fi

          if [[ ${#updated_packages[@]} -eq 0 ]]; then
            echo "No package updates to commit"
            exit 0
          fi

          # Regenerate README with updated package versions
          echo "Regenerating README files..."
          bash scripts/build-readme.sh

          # Commit updates
          for pkg in "${updated_packages[@]}"; do
            git add "pkgs/${pkg}/PKGBUILD"

            # Extract version from PKGBUILD
            new_version=$(awk -F'= *' '$1=="pkgver"{print $2; exit}' "pkgs/${pkg}/PKGBUILD")

            # Commit package updates and README
            git add README.md README.zh.md docs/readme.en.md 2>/dev/null || true

            git commit -m "ci: update ${pkg} to ${new_version}

          Automated upstream version detection via monitor-upstream workflow.
          .SRCINFO will be generated by build-and-publish workflow.

          Co-Authored-By: github-actions[bot] <github-actions[bot]@users.noreply.github.com>"
          done

          # Pull before push to avoid conflicts
          git pull --rebase origin main || {
            echo "Failed to rebase, attempting merge" >&2
            git rebase --abort
            git pull --no-rebase origin main
          }

          git push origin main

          echo "Successfully committed updates for: ${updated_packages[*]}"

      - name: Upload logs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: monitor-logs-${{ github.run_id }}
          path: |
            *.log
          retention-days: 30
          if-no-files-found: ignore