add --delete-old to nix gc options #1173
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| name: "flake check" | |
| on: [push, pull_request] | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - uses: cachix/install-nix-action@v17 | |
| - run: nix flake --option allow-import-from-derivation 1 check |