Generate flake.nix/unflake.nix/npins from inputs defined as module options.

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flake-file lets you generate a clean, maintainable flake.nix from Nix module options. Use the real Nix language to define your inputs.

It makes your flake definition base on the Nix module system.

This means

• You can use lib.mkDefault or anything you normally do with the Nix language, and have them reflected in flake.nix.
• Your inputs follow a typed Input Schema.
• Your outputs can be defined on a typed Output Schema.

Despite the original flake-oriented name, it NOW also works on stable Nix, non-flakes environments via npins or unflake.

Features Flake definition aggregated from Nix modules. Input and Output schemas based on Nix types. Syntax for nixConfig and follows is the same as in flakes. flake check ensures files are up to date. App for flake.nix generator: nix run .#write-flake Custom do-not-edit header. Automatic flake.lock flattening. Incrementally add flake-parts-builder templates. Pick flakeModules for different feature sets. Dendritic flake template. Works on stable Nix, npins and unflake environments.

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Learn more: Documentation