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

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

nix nar ls - show information about a path inside a NAR file

nix nar ls [option…] nar path

•
To list a specific file in a NAR:
# nix nar ls --long ./hello.nar /bin/hello
-r-xr-xr-x                38184 hello
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To recursively list the contents of a directory inside a NAR, in JSON format:
# nix nar ls --json --recursive ./hello.nar /bin
{"type":"directory","entries":{"hello":{"type":"regular","size":38184,"executable":true,"narOffset":400}}}

This command shows information about a path inside Nix Archive (NAR) file nar.

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--directory / -d
Show directories rather than their contents.
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--json
Produce output in JSON format, suitable for consumption by another program.
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--long / -l
Show detailed file information.
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--recursive / -R
List subdirectories recursively.
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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Consider all previously downloaded files out-of-date.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.