Create GitHub Actions matrix from nix flake show
#36
Workflow file for this run
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| name: Nix Flake actions | |
| on: | |
| pull_request: | |
| push: | |
| branches: | |
| - main | |
| jobs: | |
| nix-matrix: | |
| runs-on: ${{ matrix.os }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| os: [ubuntu-latest] | |
| outputs: | |
| ubuntu-latest: ${{ steps.set-matrix.outputs.ubuntu-latest }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: cachix/install-nix-action@v24 | |
| - id: set-matrix | |
| name: Generate Nix Matrix | |
| run: | | |
| matrix=$(nix flake show --refresh --json "." | jq '{ os: "${{ matrix.os }}", attr: ((path(.. | select(.type? == "derivation")) | map((if (. | contains(".")) then "\"" + . + "\"" else . end)) | join(".")), (path(.. | select(.type? == "nixos-configuration")) | map((if (. | contains(".")) then "\"" + . + "\"" else . end)) | join(".") | . + ".config.system.build.toplevel")) }' | jq --slurp --compact-output) | |
| echo "${{ matrix.os }}=$matrix" >> "$GITHUB_OUTPUT" | |
| nix-build: | |
| needs: nix-matrix | |
| runs-on: ${{ matrix.os }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| include: ${{fromJSON(needs.nix-matrix.outputs.ubuntu-latest)}} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: cachix/install-nix-action@v24 | |
| - uses: cachix/cachix-action@v12 | |
| with: | |
| name: matrss | |
| authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}' | |
| - run: nix build -L '.#${{ matrix.attr }}' |