drush_cache_clear.sh

# Use basic filtering of `drush status` to hopefully ensure more broader support
# for various drush versions.
DRUPAL_VERSION=$(drush status | grep -i "drupal version" | awk '{print $NF}');
if [ "${DRUPAL_VERSION%.*}" == "7" ] ; then
  if drush cc all; then echo "drush cc all complete"; else exit $?; fi;
elif [ "${DRUPAL_VERSION%.*.*}" -ge "8" ] ; then
  if drush cr -y; then echo "drush cache:rebuild complete"; else exit $?; fi;
else \
  echo "could not clear cache for found Drupal version ${DRUPAL_VERSION}";
  exit 1;
fi