color() {
  if [ -t 1 ]; then
    tput setaf "${1:-7}"
  fi
}

say() {
  color 5  # magenta
  printf '( ^-^) < %s\n' "$1"
  color
}

run() {
  color 3  # yellow
  printf "[running] \$ %s\n" "$1"
  color
  /bin/sh -c "$1"
}

br() {
  printf "\\n"
}

version() {
  COMMIT_DATE=$(git show --no-patch --pretty="%cs" FETCH_HEAD | sed -e "s/-//g" | cut -c 3-)
  COMMIT_HASH_INITIAL=$(printf "%s" "$(git rev-parse FETCH_HEAD)" | cut -c 1)
  printf '%s.%s' "${COMMIT_DATE}" "${COMMIT_HASH_INITIAL}"
}