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doc/fixed-point-arguments: explicitly mention extendDrvArgs

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Yueh-Shun Li
2026-07-07 19:24:41 +08:00
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doc/build-helpers/fixed-point-arguments.chapter.md
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@@ -23,7 +23,8 @@ See [recursive-sets](https://nix.dev/manual/nix/stable/language/syntax#recursive
## Define a build helper with `lib.extendMkDerivation` {#sec-build-helper-extendMkDerivation}
Use [`lib.customisation.extendMkDerivation`](#function-library-lib.customisation.extendMkDerivation) to define a build helper with fixed-point support from an existing one. It takes an attribute overlay similar to [`<pkg>.overrideAttrs`](#sec-pkg-overrideAttrs).
Use [`lib.customisation.extendMkDerivation`](#function-library-lib.customisation.extendMkDerivation) to define a build helper with fixed-point support from an existing one.
Its argument `extendDrvArgs` takes an attribute overlay similar to [`<pkg>.overrideAttrs`](#sec-pkg-overrideAttrs).
Besides overriding, `lib.extendMkDerivation` also supports `excludeDrvArgNames` to optionally exclude some arguments in the input fixed-point arguments from passing down to the base build helper (specified as `constructDrv`).