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

	      Warning
	      This  program  is	 experimental <../../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  pro-
       file 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	  Consider all previously downloaded files out-of-date.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 <../../command-ref/conf-file.md#command-line-flags>
	  for overriding configuration settings	with command line flags.

						      nix3-profile-rollback(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=nix3-profile-rollback&sektion=1&manpath=FreeBSD+Ports+15.0>

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