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make template overrides chainable

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This commit is contained in:
Valentin Gagarin 2024-11-07 17:55:23 +01:00
parent 0642aef7e9
commit 15984affec
1 changed files with 14 additions and 1 deletions
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15
lib.nix
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@ -1,7 +1,20 @@
{ lib }:
rec {
template = g: f: x:
(g (f x)) // { override = o: g (lib.recursiveUpdate (f x) o); };
let
base = f x;
result = g base;
in
result // {
override = new:
let
base' = lib.recursiveUpdate base new;
result' = g base';
in
result' // {
override = new: (template g (x': base') x).override new;
};
};
/**
Recursively replace occurrences of `from` with `to` within `string`