Warning
This program is experimental and its interface is subject to change.
Name
nix nar
- create or inspect NAR files
Synopsis
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 stdoutnix nar dump-path
- serialise a path to stdout in NAR formatnix nar ls
- show information about a path inside a NAR file
Description
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.
Options
Logging-related options
-
Set the logging verbosity level to 'debug'.
-
--log-format
formatSet the format of log output; one of
raw
,internal-json
,bar
orbar-with-logs
. -
--print-build-logs
/-L
Print full build logs on standard error.
-
Decrease the logging verbosity level.
-
--verbose
/-v
Increase the logging verbosity level.
Miscellaneous global options
-
Show usage information.
-
Disable substituters and consider all previously downloaded files up-to-date.
-
--option
name valueSet the Nix configuration setting name to value (overriding
nix.conf
). -
Consider all previously downloaded files out-of-date.
-
Show version information.
Note
See
man nix.conf
for overriding configuration settings with command line flags.