name: Generate Build Info

on:
  push:
    branches:
      - main

jobs:
  build-info:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Generate build-info.php
        run: |
          SHORT_HASH=$(git rev-parse --short HEAD)
          BRANCH=$(git rev-parse --abbrev-ref HEAD)
          DATE=$(date -u '+%Y-%m-%d %H:%M:%S UTC')

          mkdir -p dapper

          cat > dapper/build-info.php << EOF
          <?php
          return [
              'commit' => '$SHORT_HASH',
              'branch' => '$BRANCH',
              'built'  => '$DATE',
          ];
          EOF

      - name: Commit file
        run: |
          git config --global user.name "Gitea Runner"
          git config --global user.email "ampedlease@ampedlease.com"

          git add dapper/build-info.php

          if git diff --cached --quiet; then
            echo "No changes to commit"
          else
            git commit -m "auto: update build info [skip ci]"
            git push
          fi