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


nix nar - create or inspect NAR files


nix nar [option...] subcommand

where subcommand is one of the following:

  • nix nar cat - print the contents of a file inside a NAR file on stdout
  • nix nar dump-path - serialise a path to stdout in NAR format
  • nix nar ls - show information about a path inside a NAR file


nix nar provides several subcommands for creating and inspecting Nix Archives (NARs).

File format

For the definition of the NAR file format, see Figure 5.2 in https://edolstra.github.io/pubs/phd-thesis.pdf.