nvd

Compare Nix generations (what changed).

NixOS

Last updated: 2026-05-11 Report error

Syntax

$nvd [COMMAND] [OPTIONS]

Examples

$nvd diff /run/current-system /nix/var/nix/profiles/system-123-link

Examples

$nvd list-generations

Typical use cases

Check diff

nvd diff OLD NEW

Generations

nvd list-generations

Note Useful during upgrades to inspect package differences between generations.

Export