#!/bin/sh

git_bin=$(command -v git)
letsencrypt_dir=/etc/letsencrypt
export GIT_DIR="/etc/.git"
export GIT_WORK_TREE="/etc"

if test -x "${git_bin}" && test -d "${GIT_DIR}" && test -d "${GIT_WORK_TREE}"; then
  changed_lines=$(${git_bin} status --porcelain -- ${letsencrypt_dir} | wc -l | tr -d ' ')

  if [ "${changed_lines}" != "0" ]; then
      ${git_bin} add --all ${letsencrypt_dir}
      message="[letsencrypt] certificates renewal (${RENEWED_DOMAINS})"
      ${git_bin} commit --message "${message}" --quiet
  else
      echo "Weird, nothing has changed but the hook has been executed for '${RENEWED_DOMAINS}'"
  fi
fi