source common.sh rm -rf $TEST_ROOT/filterin mkdir $TEST_ROOT/filterin mkdir $TEST_ROOT/filterin/foo touch $TEST_ROOT/filterin/foo/bar touch $TEST_ROOT/filterin/xyzzy $NIX_BIN_DIR/nix-build ./filter-source.nix -o $TEST_ROOT/filterout set -x test ! -e $TEST_ROOT/filterout/foo/bar test -e $TEST_ROOT/filterout/xyzzy