(bash) A Git pre-commit hook that rejects commits to Ansible projects that contain unencrypted Ansible Vault files.

pre-commit

#!/usr/bin/env bash
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Name:     pre-commit
# Author:   prince@princebot.com
# Synopsis: Reject commits containing unencrypted Ansible Vault files.
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

set -e

vault_files=($(IFS=$'\n' find . -type f -name 'vault'))
for f in "${vault_files[@]}"; do
    if ! head -n 1 "$f" | grep -E '^\$ANSIBLE_VAULT' >/dev/null; then
        abspath=$(cd "$(dirname "$f")" && pwd -P)/$(basename "$f")
        >&2 printf -- "\n$(tput bold)$(tput setaf 1)\t"
        >&2 printf -- "error: commit rejected\n"
        >&2 printf -- "$(tput sgr0)$(tput setaf 1)\t"
        >&2 printf -- "${abspath} is not encrypted with ansible-vault\n\n"
        >&2 printf -- "$(tput sgr0)"
        exit 1
    fi
done