Reference

nix3-profile-rollback(1)

roll back to the previous version or a specified version of a profile

Warning
This program is experimental ⟨@docroot@/development/experimental-features.md#xp-feature-nix-command⟩ and its interface is subject to change.

Name

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

Synopsis

nix profile rollback [option…]

Examples

•

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

Description

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.

Options

•

--dry-run ⟨#opt-dry-run⟩

Show what this command would do without doing it.

•

--profile ⟨#opt-profile⟩ path

The profile to operate on.

•

--to ⟨#opt-to⟩ version

The profile version to roll back to.

Logging-related options

•

--debug ⟨#opt-debug⟩

Set the logging verbosity level to ‘debug’.

•

--log-format ⟨#opt-log-format⟩ format

Set the format of log output; one of raw, internal-json, bar or bar-with-logs.

•

--print-build-logs ⟨#opt-print-build-logs⟩ / -L

Print full build logs on standard error.

•

--quiet ⟨#opt-quiet⟩

Decrease the logging verbosity level.

•

--verbose ⟨#opt-verbose⟩ / -v

Increase the logging verbosity level.

Miscellaneous global options

•

--help ⟨#opt-help⟩

Show usage information.

•

--offline ⟨#opt-offline⟩

Disable substituters and consider all previously downloaded files up-to-date.

•

--option ⟨#opt-option⟩ name value

Set the Nix configuration setting name to value (overriding nix.conf).

•

--refresh ⟨#opt-refresh⟩

Consider all previously downloaded files out-of-date.

•

--version ⟨#opt-version⟩

Show version information.

Note

See man nix.conf ⟨@docroot@/command-ref/conf-file.md#command-line-flags⟩ for overriding configuration settings with command line flags.

History