Show Nix Dependencies - Find Dependency Reasons | Online Free DevTools by Hexmos

Show Nix dependencies with nix-why-depends. Identify the reasons a package depends on another, even build-time dependencies. Free online tool, no registration required.

nix why-depends

Show why a package depends on another package. More information: https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-why-depends.html.

  • Show why the currently running NixOS system requires a certain store path:

nix why-depends {{/run/current-system}} /nix/store/{{checksum-package-version.ext}}

  • Show why a package from nixpkgs requires another package as a build-time dependency:

nix why-depends --derivation {{nixpkgs#dependent}} {{nixpkgs#dependency}}