core/pkgs/build-support/nuke-references/default.nix
2024-06-30 09:16:52 +01:00

50 lines
1.2 KiB
Nix

# 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";
}