#!/bin/sh

tarball=$1
if [ "x$tarball" = "x" ]
then
  echo "usage: $0 tarball" 1>&2
  exit 1
fi

path=${tarball%%.tar.gz}

tar tzf $tarball  \
  | grep -E '\.(h|py|v|vh)$'   \
  | sed -e "s/$path/./"  \
  | sort >/tmp/tarball-h-files

find . \( -name '*.h' -o -name '*.py' -o -name '*.v' -o -name '*.vh' \) -print \
  | grep -v ./$path | sort >/tmp/build-h-files

comm -23 /tmp/build-h-files /tmp/tarball-h-files \
 | grep -Ev '(GrAtsc|_swig_|limbo|config\.h|std_paths\.h)'

# rm /tmp/tarball-h-files /tmp/build-h-files