nix3-nar-pack(1) General Commands Manual nix3-nar-pack(1)

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

nix nar pack - serialise a path to stdout in NAR format

nix nar pack [option…] path

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To serialise directory foo as a NAR:
# nix nar pack ./foo > foo.nar

This command generates a NAR file containing the serialisation of path, which must contain only regular files, directories and symbolic links. The NAR is written to standard output.

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--debug
Set the logging verbosity level to ‘debug’.
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--log-format format
Set the format of log output; one of raw, internal-json, bar or bar-with-logs.
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--print-build-logs / -L
Print full build logs on standard error.
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--quiet
Decrease the logging verbosity level.
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--verbose / -v
Increase the logging verbosity level.

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--help
Show usage information.
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--offline
Disable substituters and consider all previously downloaded files up-to-date.
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--option name value
Set the Nix configuration setting name to value (overriding nix.conf).
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--refresh
Consider all previously downloaded files out-of-date.
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--version
Show version information.

Note

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