NAME

vdf - version diff for Nix

SYNOPSIS

vdf <path> <path>

DESCRIPTION

vdf compares the dependencies of two Nix store paths. If you pass output paths (such as a result symlink or /run/current-system) runtime dependencies will be compared, whereas if you pass derivation paths build-time dependencies will be compared.

vdf parses Nix store paths by assuming that the version starts with a digit (nixpkgs also requires that). For output paths with a version the part after the last dash is recognized as the output name if it does not start with a digit.

In the Version changed section direct dependencies are grouped first. If the root path has dependencies named system-path and etc then direct dependencies are considered dependencies of the system-path path and direct dependencies of user-environment paths that etc depends on so that packages listed in environment.systemPackages and users.users.<name>.packages are grouped first.

Output-specific version changes are collapsed to one line if they have the same version change and would be printed next to each other.