nix registry

Manage a Nix flake registry. See also: nix3 flake for information about flakes. More information: https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-registry.html.

• Pin the nixpkgs revision to the current version of the upstream repository:

nix registry pin nixpkgs

• Pin an entry to the latest version of the branch, or a particular reivision of a GitHub repository:

nix registry pin entry github:owner/repo/branch_or_revision

• Add a new entry that always points to the latest version of a GitHub repository, updating automatically:

nix registry add entry github:owner/repo

• Remove a registry entry:

nix registry remove entry

• See documentation about what Nix flake registries are:

nix registry --help