Nix command/show-derivation

This article is about the nix show-derivation subcommand.

Description

Show the contents of a store derivation.

$ nix show-derivation FLAGS... INSTALLABLES...

--arg NAME EXPR argument to be passed to Nix functions
--argstr NAME STRING string-valued argument to be passed to Nix functions
--commit-lock-file commit changes to the lock file
--expr EXP evaluate attributes from EXPR
-f, --file FILE evaluate FILE rather than the default
--impure allow access to mutable paths and repositories
-I, --include PATH add a path to the list of locations used to look up <...> file names
--no-registries don't use flake registries
--no-update-lock-file do not allow any updates to the lock file
--no-write-lock-file do not write the newly generated lock file
--override-flake ORIGINAL-REF RESOLVED-REF override a flake registry value
--override-input INPUT-PATH FLAKE-URL override a specific flake input (e.g. 'dwarffs/nixpkgs')
--recreate-lock-file recreate lock file from scratch
-r, --recursive include the dependencies of the specified derivations
--update-input INPUT-PATH update a specific flake input

To show the store derivation that results from evaluating the Hello package:

$ nix show-derivation 'nixpkgs#hello'

To show the full derivation graph (if available) that produced your NixOS system:

$ nix show-derivation -r /run/current-system