Commit 52c27352 authored by Andrew Marshall's avatar Andrew Marshall
Browse files

applyPatches: skip creating additional drv when no patches 

If there are no `patches` or `postPatch`, then this will just do work to
make something equivalent to `src`. Instead, just return `src` in that
case.
parent 317484b1

pkgs/build-support/trivial-builders/default.nix

+4 −1
Original line number Diff line number Diff line
@@ -946,7 +946,10 @@ rec { 
    , patches ? [ ]

    , postPatch ? ""

    , ...

    }@args: stdenvNoCC.mkDerivation

    }@args:

    if patches == [ ] && postPatch == ""

    then src # nothing to do, so use original src to avoid additional drv

    else stdenvNoCC.mkDerivation

      {

        inherit name src patches postPatch;

        preferLocalBuild = true;