check_yaml.sh

#!/bin/bash
set +e
declare -i RESULT=0

GIT_DIFF_CMD="git diff HEAD~1 --name-only"

# Don't exit on error. Collect the errors instead.
YAML_PATH_LIST=`$GIT_DIFF_CMD |grep .yml`

# Check YAML files for syntax errors
echo 'YAML files to check syntax:'; echo "$YAML_PATH_LIST"; echo "";
for YAML_PATH in $YAML_PATH_LIST; do
  ansible-playbook -i inventory --syntax-check ../${YAML_PATH};
  RESULT+=$?
done
echo $RESULT "errors."
exit $RESULT