anchor.diff:  in
   stdenv.mkDerivation rec {
   
  -  version = "0.15.2";
  +  version = "0.16.0";
   
     meta = with lib; {
       homepage = "https://github.com/bazelbuild/bazel/";
  
positive.code:       echo "build --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\"" >> .bazelrc
        echo "build --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\"" >> .bazelrc
        echo "build --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\"" >> .bazelrc
        sed -i -e "361 a --copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
        sed -i -e "361 a --host_copt=\"$(echo $NIX_CFLAGS_COMPILE | sed -e 's/ /" --host_copt=\"/g')\" \\\\" scripts/bootstrap/compile.sh
        sed -i -e "361 a --linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
        sed -i -e "361 a --host_linkopt=\"-Wl,$(echo $NIX_LDFLAGS | sed -e 's/ /" --host_linkopt=\"-Wl,/g')\" \\\\" scripts/bootstrap/compile.sh
  
        # --experimental_strict_action_env (which will soon become the
        # default, see bazelbuild/bazel#2574) hardcodes the default
  
negative.code: 
    src = fetchurl {
      url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
      sha256 = "1ca9pncnj6v4r1kvgxys7607wpz4d2ic6g0i7lpsc2zg2qwmjc67";
    };
  
    sourceRoot = ".";
  