Simple bash cli wrapper with options that calls another program

bash_cli.sh

#!/bin/bash -e

usage() {
  echo "Usage: $0 [--boolean-option] [--option-with-value=value] -- [args for another program]"
  exit 1
}

option_value=""
boolean_option=0

for i in "$@"; do
  case $i in 
    --boolean_option)
      boolean_option=1
      shift
      ;;
    --option-with-value=*)
      option_value="${i#*=}"
      shift
      ;;
    --)
      shift
      break
      ;;
    *)
      usage
      ;;
  esac
done

echo "boolean_option=$boolean_option, option_value=$option_value"
echo "remaining arguments: $@"