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nix3-upgrade-nix(1)	     General Commands Manual	     nix3-upgrade-nix(1)

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

Name
     nix upgrade-nix - upgrade Nix to the latest stable version

Synopsis
     nix upgrade-nix [option...]

Examples
     *	Upgrade Nix to the stable version declared in Nixpkgs:

     # nix upgrade-nix

     *	Upgrade Nix in a specific profile:

     # nix upgrade-nix --profile ~alice/.local/state/nix/profiles/profile

Description
     This command upgrades Nix to the stable version.

     By  default,  the latest stable version is defined by Nixpkgs, in nix-fall-
     back-paths.nix and updated manually. It may not always be the latest tagged
     release.

     By default, it locates the directory containing the nix binary in the $PATH
     environment variable. If that directory is a Nix profile, it  will  upgrade
     the nix package in that profile to the latest stable binary release.

     You cannot use this command to upgrade Nix in the system profile of a NixOS
     system (that is, if nix is found in /run/current-system).

Options
     *	--dry-run

	Show what this command would do without doing it.

     *	--nix-store-paths-url url

	The  URL of the file that contains the store paths of the latest Nix re-
	lease.

     *	--profile / -p profile-dir

	The path to the Nix profile to upgrade.

   Logging-related options
     *	--debug

	Set the logging verbosity level to `debug'.

     *	--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.

   Miscellaneous global options
     *	--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	Consider all previously downloaded files out-of-date.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.

							     nix3-upgrade-nix(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=nix3-upgrade-nix&sektion=1&manpath=FreeBSD+Ports+15.1.quarterly>

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