71 lines
2.6 KiB
YAML
71 lines
2.6 KiB
YAML
name: Flake checks
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on: [pull_request]
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env:
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USER: ci
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jobs:
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Check:
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runs-on: ubuntu-latest
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steps:
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- name: Check out repository code
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uses: https://code.forgejo.org/actions/checkout@v4
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- uses: https://github.com/nixbuild/nix-quick-install-action@v27
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with:
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load_nixConfig: false
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nix_conf: |
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substituters = https://cache.nixos.org/ https://nix-community.cachix.org
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trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=
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keep-outputs = true
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- name: Calculate flake.lock hash
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id: flake-lock-hash
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run: |
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echo "hash=$(md5sum flake.lock | awk '{print $1}')" >> $GITHUB_OUTPUT
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- name: Restore and cache Nix store
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uses: https://github.com/nix-community/cache-nix-action@v4.0.3
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id: nix-store-cache
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with:
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key: cache-${{ runner.os }}-nix-store-${{ steps.flake-lock-hash.outputs.hash }}
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restore-keys: |
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cache-${{ runner.os }}-nix-store-
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gc-linux: true
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gc-max-store-size-linux: 10000000000
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purge-caches: true
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purge-key: cache-${{ runner.os }}-nix-store-
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purge-created: true
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purge-created-max-age: 42
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- name: Prepare cachix
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uses: https://github.com/cachix/cachix-action@v14
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with:
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name: pub-solar
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authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
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useDaemon: false
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- name: Run flake checks
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run: |
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# Prevent cache garbage collection by creating GC roots
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for target in $(nix flake show --json --all-systems | jq '
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.["nixosConfigurations"] |
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to_entries[] |
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.key
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' | tr -d '"'
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); do
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nix --print-build-logs --verbose --accept-flake-config --access-tokens '' \
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build --out-link ./result-$target ".#nixosConfigurations.${target}.config.system.build.toplevel"
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done
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nix --print-build-logs --verbose --accept-flake-config --access-tokens '' flake check
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# Add GC roots for flake inputs, too
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# https://github.com/NixOS/nix/issues/4250#issuecomment-1146878407
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gc_root_prefix="/nix/var/nix/profiles/per-user/$USER/infra-flake-"
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echo "Adding gcroots flake inputs..."
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nix flake archive --json 2>/dev/null | jq -r '.inputs | to_entries[] | "ln -fsT "+.value.path+" \"'"$gc_root_prefix"'"+.key+"\""' | while read -r line; do
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eval "$line"
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done
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