nix3-profile-rollback(1) General Commands Manual nix3-profile-rollback(1)

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

nix profile rollback - roll back to the previous version or a specified version of a profile

nix profile rollback [option…]

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Roll back your default profile to the previous version:
# nix profile rollback
switching profile from version 519 to 518
•
Switch your default profile to version 510:
# nix profile rollback --to 510
switching profile from version 518 to 510

This command switches a profile to the most recent version older than the currently active version, or if --to N is given, to version N of the profile. To see the available versions of a profile, use nix profile history.

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--dry-run
Show what this command would do without doing it.
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--profile path
The profile to operate on.
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--to version
The profile version to roll back to.
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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.
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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Consider all previously downloaded files out-of-date.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.