# This runs in a new shell
readonly MODULE=${1}
readonly DIR=${2}
readonly URL=${3}
readonly REV=${5}
readonly -i QUIET=${6}
readonly CLEAR_LINE=$'\E[2K\r'
if [[ -e ${DIR} ]]; then
  # Already exists
  return 0
fi
(( ! QUIET )) && print -Rn ${CLEAR_LINE}"Installing ${MODULE} …"
if ERR=$(command git clone -b ${REV} -q --recursive ${URL} ${DIR} 2>&1); then
  if (( ! QUIET )); then
    print -PR ${CLEAR_LINE}"%F{green}✓%f %B${MODULE}:%b Installed"
  fi
else
  print -u2 -PR ${CLEAR_LINE}"%F{red}✗ %B${MODULE}:%b Error during git clone%f"$'\n'${(F):-  ${(f)^ERR}}
  return 1
fi