fi
pushd "$dir" &>/dev/null
-test_or_die "changing to directory: $dir"
+exit_on_error "changing to directory: $dir"
tempfile=$(generate_rev_ctrl_filelist)
popd &>/dev/null
perform_revctrl_action_on_file "$tempfile" do_diff
-test_or_die "performing revision control action do_diff on: $tempfile"
+exit_on_error "performing revision control action do_diff on: $tempfile"