Warning: This program is experimental and its interface is subject to change.
nix upgrade-nix - upgrade Nix to the stable version declared in Nixpkgs
nix upgrade-nix [option...]
Upgrade Nix to the stable version declared in Nixpkgs:
# nix upgrade-nix
Upgrade Nix in a specific profile:
# nix upgrade-nix -p /nix/var/nix/profiles/per-user/alice/profile
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
environment variable. If that directory is a Nix profile, it will
nix package in that profile to the latest stable binary
You cannot use this command to upgrade Nix in the system profile of a
NixOS system (that is, if
nix is found in
Show what this command would do without doing it.
The URL of the file that contains the store paths of the latest Nix release.
The path to the Nix profile to upgrade.