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nix-super/src/nix/registry-add.md
Eelco Dolstra e90e745232
Add 'nix registry' manpages 
This also documents the registry format and matching/unification
semantics (though not quite correctly).
2020-12-21 13:32:27 +01:00

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R""(

Examples

  • Set the nixpkgs flake identifier to a specific branch of Nixpkgs:

    # nix registry add nixpkgs github:NixOS/nixpkgs/nixos-20.03

  • Pin nixpkgs to a specific revision:

    # nix registry add nixpkgs github:NixOS/nixpkgs/925b70cd964ceaedee26fde9b19cc4c4f081196a

  • Add an entry that redirects a specific branch of nixpkgs to another fork:

    # nix registry add nixpkgs/nixos-20.03 ~/Dev/nixpkgs

Description

This command adds an entry to the user registry that maps flake reference from-url to flake reference to-url. If an entry for from-url already exists, it is overwritten.

Entries can be removed using nix registry remove.

)""