Fix workflow configuration preview overflow #2198
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| name: History Guard | |
| on: | |
| pull_request: | |
| merge_group: | |
| types: [checks_requested] | |
| permissions: | |
| contents: read | |
| jobs: | |
| guard: | |
| name: Post-scrub history | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 5 | |
| steps: | |
| - uses: actions/checkout@v5 | |
| with: | |
| fetch-depth: 0 | |
| ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }} | |
| persist-credentials: false | |
| - name: Reject old history | |
| env: | |
| CLEAN_HISTORY_ANCHOR: 0e5a84456b68a2b79e728048b8b2668337d66759 | |
| OLD_FIRST_CHANGED: c332997245d9e5321c1c300a9dd5243551eb2aeb | |
| run: | | |
| if ! git cat-file -e "${CLEAN_HISTORY_ANCHOR}^{commit}"; then | |
| echo "::error::Clean-history anchor is unavailable." | |
| exit 1 | |
| fi | |
| if ! git merge-base --is-ancestor "$CLEAN_HISTORY_ANCHOR" HEAD; then | |
| echo "::error::Branch is not based on post-scrub main. Re-clone and rebase." | |
| exit 1 | |
| fi | |
| if git cat-file -e "${OLD_FIRST_CHANGED}^{commit}" 2>/dev/null && | |
| git merge-base --is-ancestor "$OLD_FIRST_CHANGED" HEAD; then | |
| echo "::error::Branch contains pre-scrub history. Re-clone and rebase." | |
| exit 1 | |
| fi |