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nixvim/flake/lib.nix
Matt Sturgeon c53e0161c3 lib: simplify bootstrapping
Previously, `lib/top-level.nix` used an `_isExtended` flag to indicate
whether the provided `lib` was already extended. This made bootstrapping
unclear and introduced the possibility of circular construction.

All construction now flows through the lib-overlay, removing
`_isExtended`. As a result, `lib/top-level.nix` always receives the
final extended lib.

The `<flake>.lib.nixvim` output is now defined as:

    (lib.extend <nixvim>.lib.overlay).nixvim

The overlay now imports `top-level.nix` directly, making it the
canonical entrypoint for constructing Nixvim's section of the lib.

A clarifying doccomment was added to `lib/top-level.nix`.
2025-11-20 20:57:10 +00:00

41 lines
1,004 B
Nix

{
self,
config,
lib,
withSystem,
...
}:
{
# Expose lib as a flake-parts module arg
_module.args = {
helpers = self.lib.nixvim;
};
# Public `lib` flake output
flake.lib = {
nixvim = lib.makeOverridable ({ lib }: (lib.extend self.lib.overlay).nixvim) {
inherit lib;
};
overlay = lib.makeOverridable (import ../lib/overlay.nix) {
flake = self;
};
# Top-top-level aliases
inherit (self.lib.nixvim)
evalNixvim
;
}
// lib.genAttrs config.systems (
lib.flip withSystem (
{ pkgs, system, ... }:
{
# NOTE: this is the publicly documented flake output we've had for a while
check = pkgs.callPackage ../lib/tests.nix {
inherit lib self system;
};
# NOTE: no longer needs to be per-system
helpers = lib.warn "nixvim: `<nixvim>.lib.${system}.helpers` has been moved to `<nixvim>.lib.nixvim` and no longer depends on a specific system" self.lib.nixvim;
}
)
);
}