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nix-super/src/nix/upgrade-nix.md
John Ericson 8df6f7bb0f Fix more profile dirs in docs 
Picking up where #8078 left off.
2023-03-27 12:10:32 -04:00

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R""(

Examples

  • Upgrade Nix to the stable version declared in Nixpkgs:

    # nix upgrade-nix

  • Upgrade Nix in a specific profile:

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

Description

This command upgrades Nix to the stable version declared in Nixpkgs. This stable version is defined in nix-fallback-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).

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