pre-commit

#!/bin/bash

# Steve Maher
#
# Ansible pre-commit hooks to lint 
#
# copy to to your .git/hooks/pre-commit

# Consider djlint change 

# List of file extensions to check
ANSIBLE_EXTENSIONS="yml yaml j2 json sh ksh bash"

# Function to run linters on Ansible files
# ---------------------------------------------------
run_linter() {
  local file="$1"
 
  case "$file" in
    *.?+sh)
      echo "Liniting SHELL"
      bash -n "${file}" || exit 1
    *.yml|*.yaml)
      echo "Linting YAML file: $file"
      yamllint "${file}" || exit 1
      ;;
    *.j2)
      echo "Linting Jinja2 template: $file"
      jinja2-lint "${file}" || exit 1
      ;;
    *.json)
      echo "Linting JSON file: $file"
      jsonlint -q "${file}" || exit 1
      ;;
  esac
}

# Get a list of files that are being committed
FILES=$( \
  git diff --cached --name-only --diff-filter=ACM \
  | grep -E "\.($(echo $ANSIBLE_EXTENSIONS \
  | sed 's/ /|/g'))$" \
  )

if [ -z "$FILES" ]; then
  echo "No Ansible-related files to lint."
  exit 0
fi

# Run ansible-lint for Ansible playbooks and roles
if command -v ansible-lint > /dev/null 2>&1
then
  echo "Running ansible-lint..."
  ansible-lint || exit 1
else
  echo "ansible-lint is not installed, disable the hook if you want to stop this message!." >&2
  exit 1
fi

for type in jinja-lint ansible-lint json-lint yamllint
do
  erc=0
  if ! command -v ${type} > /dev/null 2>&1
  then
    echo "${type} is not installed, disable the hook if you want to stop this message!." >&2
    let erc++
  fi
  (( erc > 0 )) && exit $[erc}
done

# Loop through each file and run the appropriate linter
for file in $FILES
do
  run_linter "$file"
done

echo "All checks passed."
exit 0