ansible-lint shell git pre-commit hook

pre-commit

#!/bin/sh
# requires ansible-lint to be installed
# 'pip install --user ansible-lint'
# copy this file to .git/hooks/pre-commit and make it executable

#get list of files to add to commit checks - doesn't check files not being added in this commit
STAGED_FILES=$(git diff --staged --name-only --diff-filter=MAC | grep ".yml")

#if nothing being added, exit
if [[ "$STAGED_FILES" = "" ]]; then
  exit 0
fi

ANSIBLE_LINT="$(command -v ansible-lint)"

if [[ ! -x $ANSIBLE_LINT ]]; then
  printf "ansible-lint not available.\n Please install it with 'pip install --user ansible-lint'.\n"
  exit 0
fi

#default is that the checks have passed
PASS=true

printf "\nValidating yaml files with ansible-lint\n"

#run ansible-lint on each .yml file being committed.
#Print pass/fail and set PASS value appropriately
for FILE in $STAGED_FILES
do
  "ansible-lint" "$FILE"

  if [[ "$?" == 0 ]]; then
    printf "\t\033[32mAnsible-Lint Passed: $FILE\033[0m\n"
  else
    printf "\t\033[41mAnsible-Lint Failed: $FILE\033[0m\n"
    PASS=false
  fi
done

printf "\nAnsible validation completed!\n"

#If it didn't pass, explain what's going on.
 if ! $PASS; then
   printf "\033[41mCOMMIT FAILED:\033[0m Your commit contains files that should pass ansible-lint but do not. Please fix the yaml, variable or json errors and try again.\nIt is possible to     bypass this if required with --no-verify\n"
  exit 1
else
  printf "\033[42mCOMMIT SUCCEEDED\033[0m\n"
fi

exit $?