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lix/src/nix/profile-upgrade.md
Eelco Dolstra 16e34085e8
Add 'nix profile' manpage
2020-12-21 13:32:29 +01:00

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Examples

  • Upgrade all packages that were installed using a mutable flake reference:

    # nix profile upgrade '.*'

  • Upgrade a specific package:

    # nix profile upgrade packages.x86_64-linux.hello

  • Upgrade a specific profile element by number:

    # nix profile info
0 flake:nixpkgs#legacyPackages.x86_64-linux.spotify …

# nix profile upgrade 0

Description

This command upgrades a previously installed package in a Nix profile, by fetching and evaluating the latest version of the flake from which the package was installed.

Warning

This only works if you used a mutable flake reference at installation time, e.g. nixpkgs#hello. It does not work if you used an immutable flake reference (e.g. github:NixOS/nixpkgs/13d0c311e3ae923a00f734b43fd1d35b47d8943a#hello), since in that case the "latest version" is always the same.

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