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# The program `remove-references-to' created by this derivation replaces all
# references to the given Nix store paths in the specified files by a
# non-existent path (/nix/store/eeee...). This is useful for getting rid of
# dependencies that you know are not actually needed at runtime.
{ lib, stdenvNoCC, signingUtils, shell ? stdenvNoCC.shell }:
let
stdenv = stdenvNoCC;
darwinCodeSign = stdenv.targetPlatform.isDarwin && stdenv.targetPlatform.isAarch64;
in
stdenv.mkDerivation {
name = "remove-references-to";
dontUnpack = true;
dontConfigure = true;
dontBuild = true;
installPhase = ''
mkdir -p $out/bin
substituteAll ${./remove-references-to.sh} $out/bin/remove-references-to
chmod a+x $out/bin/remove-references-to
'';
postFixup = lib.optionalString darwinCodeSign ''
mkdir -p $out/nix-support
substituteAll ${./darwin-sign-fixup.sh} $out/nix-support/setup-hooks.sh
'';
inherit (builtins) storeDir;
shell = lib.getBin shell + (shell.shellPath or "");
signingUtils = if darwinCodeSign then signingUtils else null;
}
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