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nix3-upgrade-nix(1) General Commands Manual nix3-upgrade-nix(1) Warning This program is experimental <../../development/experimental- features.md#xp-feature-nix-command> 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- fallback-paths.nix <https://github.com/NixOS/nixpkgs/raw/master/nixos/modules/installer/tools/nix- fallback-paths.nix> and updated manually. It may not always be the lat- est 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 re- lease. 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 <#opt-dry-run> Show what this command would do without doing it. • --nix-store-paths-url <#opt-nix-store-paths-url> url The URL of the file that contains the store paths of the latest Nix release. • --profile <#opt-profile> / -p profile-dir The path to the Nix profile to upgrade. 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 Consider all previously downloaded files out-of-date.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-upgrade-nix(1)
Name | Synopsis | Examples | Description | Options
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