Update Timezone Database #16
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| name: Update Timezone Database | |
| on: | |
| # Allow manual triggering | |
| workflow_dispatch: | |
| # Run on a schedule (every Saturday at 2:00 AM UTC) | |
| schedule: | |
| - cron: '0 2 * * 6' | |
| permissions: | |
| contents: write | |
| jobs: | |
| update-timezones: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout gh-pages branch | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: gh-pages | |
| token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up Python | |
| uses: actions/setup-python@v5 | |
| with: | |
| python-version: '3.x' | |
| - name: Install dependencies | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y wget tzdata | |
| - name: Checkout update script from main branch | |
| run: | | |
| git fetch origin ${{ github.ref_name || 'main' }} | |
| git checkout origin/${{ github.ref_name || 'main' }} -- update_timezones.py || \ | |
| git checkout origin/main -- update_timezones.py | |
| chmod +x update_timezones.py | |
| - name: Generate timezones.db | |
| id: generate | |
| run: | | |
| python3 update_timezones.py | |
| continue-on-error: false | |
| - name: Validate timezones.db | |
| if: steps.generate.outcome == 'success' | |
| run: | | |
| # Check if file exists | |
| if [ ! -f timezones.db ]; then | |
| echo "Error: timezones.db was not generated" | |
| exit 1 | |
| fi | |
| # Check if file has content | |
| if [ ! -s timezones.db ]; then | |
| echo "Error: timezones.db is empty" | |
| exit 1 | |
| fi | |
| # Check if file has header comment | |
| if ! head -n 1 timezones.db | grep -q "# This file is based on iana.org tzdata"; then | |
| echo "Error: timezones.db missing expected header" | |
| exit 1 | |
| fi | |
| # Check if file has at least 100 timezone entries (sanity check) | |
| line_count=$(wc -l < timezones.db) | |
| if [ "$line_count" -lt 100 ]; then | |
| echo "Error: timezones.db has too few entries ($line_count lines)" | |
| exit 1 | |
| fi | |
| # Verify format - each line should be either a comment or have timezone name and TZ string | |
| if ! grep -v "^#" timezones.db | grep -v "^$" | head -5 | grep -qE "^[A-Za-z_/]+ "; then | |
| echo "Error: timezones.db has invalid format" | |
| exit 1 | |
| fi | |
| echo "Validation passed: timezones.db appears valid" | |
| echo "Total lines: $line_count" | |
| head -10 timezones.db | |
| - name: Clean up temporary files | |
| run: | | |
| rm -rf tzdata tzdata-latest.tar.gz update_timezones.py | |
| - name: Check for changes | |
| id: check_changes | |
| run: | | |
| git diff --exit-code timezones.db || echo "changed=true" >> $GITHUB_OUTPUT | |
| - name: Commit and push changes | |
| if: steps.check_changes.outputs.changed == 'true' | |
| run: | | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| git add timezones.db | |
| git commit -m "Update timezones.db from IANA tzdata" | |
| git push | |
| - name: No changes detected | |
| if: steps.check_changes.outputs.changed != 'true' | |
| run: | | |
| echo "No changes to timezones.db - already up to date" |