fix: make the stack handling more robust to sanitizers and -O3 (#6143)
#2210
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| name: Update stage0 | |
| # This action will update stage0 on master as soon as | |
| # src/stdlib_flags.h and stage0/src/stdlib_flags.h | |
| # are out of sync there, or when manually triggered. | |
| # The update bypasses the merge queue to be quick. | |
| # Also see <doc/dev/bootstrap.md>. | |
| on: | |
| push: | |
| branches: | |
| - 'master' | |
| workflow_dispatch: | |
| concurrency: | |
| group: stage0 | |
| cancel-in-progress: true | |
| jobs: | |
| update-stage0: | |
| runs-on: ubuntu-latest | |
| steps: | |
| # This action should push to an otherwise protected branch, so it | |
| # uses a deploy key with write permissions, as suggested at | |
| # https://stackoverflow.com/a/76135647/946226 | |
| - uses: actions/checkout@v4 | |
| with: | |
| ssh-key: ${{secrets.STAGE0_SSH_KEY}} | |
| - run: echo "should_update_stage0=yes" >> "$GITHUB_ENV" | |
| - name: Check if automatic update is needed | |
| if: github.event_name == 'push' | |
| run: | | |
| if diff -u src/stdlib_flags.h stage0/src/stdlib_flags.h | |
| then | |
| echo "src/stdlib_flags.h and stage0/src/stdlib_flags.h agree, nothing to do" | |
| echo "should_update_stage0=no" >> "$GITHUB_ENV" | |
| fi | |
| - name: Setup git user | |
| if: env.should_update_stage0 == 'yes' | |
| run: | | |
| git config --global user.name "Lean stage0 autoupdater" | |
| git config --global user.email "<>" | |
| # Would be nice, but does not work yet: | |
| # https://github.com/DeterminateSystems/magic-nix-cache/issues/39 | |
| # This action does not run that often and building runs in a few minutes, so ok for now | |
| #- if: env.should_update_stage0 == 'yes' | |
| # uses: DeterminateSystems/magic-nix-cache-action@v2 | |
| - if: env.should_update_stage0 == 'yes' | |
| name: Restore Build Cache | |
| uses: actions/cache/restore@v4 | |
| with: | |
| path: nix-store-cache | |
| key: Nix Linux-nix-store-cache-${{ github.sha }} | |
| # fall back to (latest) previous cache | |
| restore-keys: | | |
| Nix Linux-nix-store-cache | |
| - if: env.should_update_stage0 == 'yes' | |
| name: Further Set Up Nix Cache | |
| shell: bash -euxo pipefail {0} | |
| run: | | |
| # Nix seems to mutate the cache, so make a copy | |
| cp -r nix-store-cache nix-store-cache-copy || true | |
| - if: env.should_update_stage0 == 'yes' | |
| name: Install Nix | |
| uses: DeterminateSystems/nix-installer-action@main | |
| with: | |
| extra-conf: | | |
| substituters = file://${{ github.workspace }}/nix-store-cache-copy?priority=10&trusted=true https://cache.nixos.org | |
| - if: env.should_update_stage0 == 'yes' | |
| run: nix run .#update-stage0-commit | |
| - if: env.should_update_stage0 == 'yes' | |
| run: git show --stat | |
| - if: env.should_update_stage0 == 'yes' && github.event_name == 'push' | |
| name: Sanity check # to avoid loops | |
| run: | | |
| diff -u src/stdlib_flags.h stage0/src/stdlib_flags.h || exit 1 | |
| - if: env.should_update_stage0 == 'yes' | |
| run: git push origin |