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 filenix nar pack
- serialise a path to stdout in NAR format
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Consider all previously downloaded files out-of-date.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.