This program is experimental and its interface is subject to change.


nix registry list - list available Nix flakes


nix registry list [option...]


  • Show the contents of all registries:

    # nix registry list
    user   flake:dwarffs github:edolstra/dwarffs/d181d714fd36eb06f4992a1997cd5601e26db8f5
    system flake:nixpkgs path:/nix/store/fxl9mrm5xvzam0lxi9ygdmksskx4qq8s-source?lastModified=1605220118&narHash=sha256-Und10ixH1WuW0XHYMxxuHRohKYb45R%2fT8CwZuLd2D2Q=&rev=3090c65041104931adda7625d37fa874b2b5c124
    global flake:blender-bin github:edolstra/nix-warez?dir=blender
    global flake:dwarffs github:edolstra/dwarffs


This command displays the contents of all registries on standard output. Each line represents one registry entry in the format type from to, where type denotes the registry containing the entry:

  • flags: entries specified on the command line using --override-flake.
  • user: the user registry.
  • system: the system registry.
  • global: the global registry.

See the nix registry manual page for more details.


  • --debug

    Set the logging verbosity level to 'debug'.

  • --log-format format

    Set the format of log output; one of raw, internal-json, bar or bar-with-logs.

  • --print-build-logs / -L

    Print full build logs on standard error.

  • --quiet

    Decrease the logging verbosity level.

  • --verbose / -v

    Increase the logging verbosity level.

Miscellaneous global options

  • --help

    Show usage information.

  • --offline

    Disable substituters and consider all previously downloaded files up-to-date.

  • --option name value

    Set the Nix configuration setting name to value (overriding nix.conf).

  • --refresh

    Consider all previously downloaded files out-of-date.

  • --version

    Show version information.


See man nix.conf for overriding configuration settings with command line flags.