ansible-vault pre-commit hook

.git_hooks_pre-commit

#!/bin/bash
###
# Pre-commit hook that verifies if all files containing 'vault' in the name # are encrypted.
# If not, commit will fail with an error message 
# 
# Original author: @ralovely 
# https://www.reinteractive.net/posts/167-ansible-real-life-good-practices
#
# File should be .git/hooks/pre-commit and executable 
###
#FILES_PATTERN='.*vault.*\.*$|digital_ocean\.ini|do_env\.sh'
FILES_PATTERN='.*vault.*'
REQUIRED='ANSIBLE_VAULT'

EXIT_STATUS=0
wipe="\033[1m\033[0m"
yellow='\033[1;33m'
# carriage return hack. Leave it on 2 lines.
cr='
'

echo '# .git/hooks/pre-commit: Checking ansible vaults'
for f in $(git diff --cached --name-only | grep -E $FILES_PATTERN) 
do
   # test for the presence of the required bit.
   MATCH=`git show :$f | head -n1 | grep --no-messages $REQUIRED`
   if [ ! $MATCH ] ; then
     # Build the list of unencrypted files if any
     UNENCRYPTED_FILES="$f$cr$UNENCRYPTED_FILES"
     EXIT_STATUS=1
   fi
done
if [ ! $EXIT_STATUS = 0 ] ; then
   echo '# COMMIT REJECTED'
   echo '# Looks like unencrypted ansible-vault files are part of the commit:'
   echo '#'
   while read -r line; do
     if [ -n "$line" ]; then
       echo -e "#\t${yellow}unencrypted:   $line${wipe}"
     fi
   done <<< "$UNENCRYPTED_FILES"
   echo '#'
   echo "# Please encrypt them with 'ansible-vault encrypt <file>'"
   echo "#   (or force the commit with '--no-verify')."
   exit $EXIT_STATUS
fi
exit $EXIT_STATUS