run.nix

{ coreutils, writeShellScript, lib, system, glibcLocales }:

rec {

    inherit (builtins) derivation;
    inherit (lib) concatMapStringsSep;

    standardBuildInputs = [ coreutils ];

    locale = { LC_ALL = "en_US.UTF-8"; LOCALE_ARCHIVE = "${glibcLocales}/lib/locale/locale-archive"; };

    run = { name, command, env ? {}, buildInputs ? [], outputs ? ["out"] }: rec {
        drv = derivation drvArgs;
        drvArgs = locale // env // { inherit name builder PATH system outputs; };
        builder = writeShellScript "builder-for-${name}" command;
        PATH = concatMapStringsSep ":" (x: "${x}/bin") (buildInputs ++ standardBuildInputs);
    }.drv;

}.run