core/pkgs/build-support/nuke-references/default.nix

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2024-05-02 00:46:19 +00:00
# The program `nuke-refs' created by this derivation replaces all
# references to the Nix store in the specified files by a non-existant
# path (/nix/store/eeee...). This is useful for getting rid of
# dependencies that you know are not actually needed at runtime.
{ lib, stdenvNoCC, perl, signingUtils, shell ? stdenvNoCC.shell }:
let
stdenv = stdenvNoCC;
darwinCodeSign = stdenv.targetPlatform.isDarwin && stdenv.targetPlatform.isAarch64;
in
stdenvNoCC.mkDerivation {
name = "nuke-references";
strictDeps = true;
enableParallelBuilding = true;
dontUnpack = true;
dontConfigure = true;
dontBuild = true;
installPhase = ''
mkdir -p $out/bin
substituteAll ${./nuke-refs.sh} $out/bin/nuke-refs
chmod a+x $out/bin/nuke-refs
'';
postFixup = lib.optionalString darwinCodeSign ''
mkdir -p $out/nix-support
substituteAll ${./darwin-sign-fixup.sh} $out/nix-support/setup-hooks.sh
'';
# FIXME: get rid of perl dependency.
env = {
inherit perl;
inherit (builtins) storeDir;
shell = lib.getBin shell + (shell.shellPath or "");
signingUtils = lib.optionalString darwinCodeSign signingUtils;
};
meta.mainProgram = "nuke-refs";
}