tests: check returncode from executing external commands If a command fails, it could lead to undefined behavior, which lets tests fail without clear indication of the cause of the failures. Therefore, if not stated otherwise, check the return code.

#!/bin/sh

# Convenience script for running various idempotent source code cleanup scripts

set -e
set -x

scripts/docs-headings.py
scripts/generate-ini.py
scripts/whitespacecleanup.sh