update-metadata.yml

name: Update Server Metadata

on:
  schedule:
    # Run daily at 2:00 AM UTC
    - cron: '0 2 * * *'
  workflow_dispatch:
    inputs:
      count:
        description: 'Number of oldest entries to update'
        required: false
        default: '5'
        type: string

permissions:
  contents: write
  pull-requests: write

jobs:
  update-metadata:
    name: Update Server Metadata
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Go
        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6
        with:
          go-version-file: 'go.mod'
          cache: true

      - name: Build catalog
        run: go build -o /tmp/catalog ./cmd/catalog

      - name: Determine count
        id: count
        run: echo "value=$INPUT_COUNT" >> $GITHUB_OUTPUT
        env:
          INPUT_COUNT: ${{ github.event.inputs.count || '5' }}

      - name: Switch to metadata branch
        run: |
          BRANCH="catalog-update-metadata"

          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"

          # Fetch remote branch if it exists so we can build on it
          git fetch origin "$BRANCH" 2>/dev/null || true

          # If the branch already exists remotely, check it out to
          # build on top of accumulated changes from prior runs.
          if git rev-parse "origin/$BRANCH" >/dev/null 2>&1; then
            git checkout -B "$BRANCH" "origin/$BRANCH"
          else
            git checkout -B "$BRANCH"
          fi

      - name: Update oldest entries
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          UPDATE_COUNT: ${{ steps.count.outputs.value }}
        run: |
          echo "Updating $UPDATE_COUNT oldest entries..."
          /tmp/catalog update-metadata \
            --oldest "$UPDATE_COUNT" \
            --github-token "$GITHUB_TOKEN" \
            -v

      - name: Check for changes
        id: check-changes
        run: |
          if git diff --quiet; then
            echo "No changes detected"
            echo "changed=false" >> $GITHUB_OUTPUT
          else
            echo "Changes detected"
            echo "changed=true" >> $GITHUB_OUTPUT
            git diff --stat
          fi

      - name: Commit and open or update PR
        if: steps.check-changes.outputs.changed == 'true'
        run: |
          BRANCH="catalog-update-metadata"

          git add -u registries/
          git commit -m "chore: update registry metadata (stars and pulls)"
          git push -f origin "$BRANCH"

          # Check if PR already exists
          EXISTING_PR=$(gh pr list --head "$BRANCH" --json number --jq '.[0].number' 2>/dev/null || true)

          if [ -n "$EXISTING_PR" ]; then
            echo "PR #$EXISTING_PR already exists, updated branch"
          else
            gh pr create \
              --title "chore: update registry metadata (stars and pulls)" \
              --body "$(cat <<'BODY'
          ## Registry Metadata Update

          This PR updates the GitHub stars and pull counts for registry entries
          (server.json format).

          Each daily run updates the oldest entries by `last_updated` timestamp
          and aggregates the changes into this PR.

          ---
          *This is an automated PR created by the daily metadata update workflow.*
          BODY
          )" \
              --head "$BRANCH"

            # Enable auto-merge
            gh pr merge "$BRANCH" --auto --squash || true
          fi
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          UPDATE_COUNT: ${{ steps.count.outputs.value }}