watch for flutter updates #74760
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| name: watch for flutter updates | |
| on: | |
| # Check every 15 minutes | |
| schedule: | |
| - cron: "*/15 * * * *" | |
| push: | |
| branches: [ ci ] | |
| pull_request: | |
| branches: [ ci ] | |
| workflow_dispatch: | |
| jobs: | |
| check-for-roll: | |
| name: 'Check if stable engine commit changed' | |
| runs-on: ubuntu-latest | |
| outputs: | |
| changed: ${{ steps.check-roll.outputs.changed }} | |
| steps: | |
| - uses: actions/checkout@v3 | |
| with: | |
| # We need to use a custom token here to be able to push commits. | |
| token: ${{ secrets.ENGINE_ROLL_TOKEN }} | |
| # If we only want to find out the stable engine version, we can do `wget -O engine.version.stable https://raw.githubusercontent.com/flutter/flutter/stable/bin/internal/engine.version` | |
| # However we also want to find out the semver of the flutter release (3.0.5 for example), | |
| - name: Download latest engine.version | |
| run: wget -O engine.version.stable https://raw.githubusercontent.com/flutter/flutter/stable/bin/internal/engine.version | |
| - name: Check if stable engine version changed | |
| id: check-roll | |
| run: | | |
| git status | |
| if git diff-index --quiet HEAD -- engine.version.stable; then | |
| echo "No changes" | |
| echo "changed=false" >> $GITHUB_OUTPUT | |
| else | |
| echo "Delta" | |
| echo "changed=true" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Log | |
| run: | | |
| echo '*** Stable engine commit changed? ***' | |
| echo steps.check-roll.outputs.changed: ${{ steps.check-roll.outputs.changed }} | |
| # reference: https://github.com/flutter/flutter/blob/a880c4ed3590477380c975f867406ba336834848/packages/flutter_tools/lib/src/version.dart#L703 | |
| # if the flutter people ever decide to point more than one tags at the stable SDK commit we're in trouble here | |
| - name: find out flutter SDK semver for this engine version | |
| id: flutter-version | |
| if: ${{ steps.check-roll.outputs.changed == 'true' }} | |
| run: | | |
| # read the engine.version.stable file to find the engine commit hash | |
| # we're build for | |
| ENGINE_HASH=$(cat engine.version.stable | tr -dc [:xdigit:]) | |
| echo "hash=$ENGINE_HASH" >> $GITHUB_OUTPUT | |
| - name: Commit new stable engine version | |
| # the if is not really necessary since the add-and-commit action won't push empty commits, but this way it feels safer | |
| # (it won't even push the tag if we have an empty commit) | |
| if: ${{ steps.check-roll.outputs.changed == 'true' }} | |
| uses: EndBug/add-and-commit@v9 | |
| with: | |
| default_author: github_actions | |
| message: 'Roll engine (stable)' | |
| add: 'engine.version.stable' | |
| tag: engine/${{ steps.flutter-version.outputs.hash }} --force | |
| tag_push: '--force' |