- nix flake update && nix flake check --show-trace && nix flake show && nix develop .#devShell

- nix build ".#default" --print-build-logs
- nix build ".#spine-dmd" --print-build-logs
- nix build ".#spine-ldc" --print-build-logs
- nix build ".#spine-gdc" --print-build-logs

- nix develop
  - nix develop ".#devShell" --print-build-logs
  - nix develop ".#devShell-html" --print-build-logs
  - nix develop ".#devShell-epub" --print-build-logs
  - nix develop ".#devShell-latex-pdf" --print-build-logs
  - nix develop ".#devShell-sqlite" --print-build-logs
  - nix develop ".#devShell-i18n" --print-build-logs

nix run .#default --print-build-logs

nix develop --build ".#default" --print-build-logs

nix-shell '<nixpkgs>' -A nix --pure