refresh-asset-data.yml

name: Refresh asset observatory data

on:
  pull_request:
    types:
      - closed

permissions:
  contents: write

jobs:
  update-asset-data:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.base.ref }}
          fetch-depth: 0

      - name: Detect dataset changes
        id: changes
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          files=$(gh pr view ${{ github.event.pull_request.number }} --json files --jq '.files[].path')
          printf '%s\n' "$files" > changed-files.txt
          echo "Files changed in #${{ github.event.pull_request.number }}:"  
          if [ -n "$files" ]; then
            printf '%s\n' "$files"
          else
            echo "(none reported)"
          fi
          if printf '%s\n' "$files" | grep -Eq '^(apps/|data/|tools/generate-asset-report\.js)'; then
            echo "should_run=true" >> "$GITHUB_OUTPUT"
          else
            echo "should_run=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Skip refresh when no relevant files changed
        if: steps.changes.outputs.should_run != 'true'
        run: echo "No dataset or tooling changes detected; skipping asset observatory refresh."

      - name: Set up Node.js
        if: steps.changes.outputs.should_run == 'true'
        uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Generate asset observatory snapshot
        if: steps.changes.outputs.should_run == 'true'
        run: node tools/generate-asset-report.js

      - name: Commit asset data update
        if: steps.changes.outputs.should_run == 'true'
        run: |
          if git diff --quiet -- apps/asset-observatory/asset-data.js; then
            echo "Asset data already up to date; nothing to commit."
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add apps/asset-observatory/asset-data.js
          git commit -m "chore: refresh asset observatory data for #${{ github.event.pull_request.number }}"
          git pull --rebase origin ${{ github.event.pull_request.base.ref }}
          git push origin HEAD:${{ github.event.pull_request.base.ref }}