Update stage0 #2386
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 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 |