nix3-store-gc(1) General Commands Manual nix3-store-gc(1)

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

nix store gc - perform garbage collection on a Nix store

nix store gc [option…]

•
Delete unreachable paths in the Nix store:

# nix store gc
•
Delete up to 1 gigabyte of garbage:

# nix store gc --max 1G

This command deletes unreachable paths in the Nix store.

•
--dry-run
Show what this command would do without doing it.
•
--max n
Stop after freeing n bytes of disk space.
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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.
•
--print-build-logs / -L
Print full build logs on standard error.
•
--quiet
Decrease the logging verbosity level.
•
--verbose / -v
Increase the logging verbosity level.

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Consider all previously downloaded files out-of-date.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

Note

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