''
  # Copyright © 2018-2019 Hugo Locurcio and contributors
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.

  set -euo pipefail
  IFS=$'\n\t'

  if [[ -t 1 ]]; then
    # stdout is a TTY, enable colors
    STYLE_COMMAND="\\e[0;97m"
    STYLE_ARG="\\e[0;96m"
    STYLE_ERROR="\\e[91m"
    STYLE_BOLD="\\e[1m"
    STYLE_NORMAL="\\e[22m"
    STYLE_RESET="\\e[0m"
  else
    # stdout is not a TTY, disable colors
    STYLE_COMMAND=""
    STYLE_ARG=""
    STYLE_ERROR=""
    STYLE_BOLD=""
    STYLE_NORMAL=""
    STYLE_RESET=""
  fi

  # Prints an error message to stderr
  print_error() {
    echo -e "''${STYLE_ERROR}''${STYLE_BOLD}Error:''${STYLE_NORMAL} $1''${STYLE_RESET}" >&2
    exit 1
  }

  print_help() {
    base="''${0##*/}"
  	echo -e "''${STYLE_BOLD}0x0, a wrapper script for https://0x0.st/''${STYLE_RESET}\n"
    echo -e "  Upload a file:"
    echo -e "      ''${STYLE_COMMAND}''${base} ''${STYLE_ARG}<file>''${STYLE_RESET}\n"
    echo -e "  Upload from an URL (the file won't be fetched locally):"
    echo -e "      ''${STYLE_COMMAND}''${base} ''${STYLE_ARG}<url>''${STYLE_RESET}\n"
    echo -e "  Upload from standard input:"
    echo -e "      ''${STYLE_COMMAND}''${base} ''${STYLE_ARG}-''${STYLE_RESET}\n"
    echo -e "The uploaded file's URL is printed to standard output when the upload is completed."
  }

  case "''${1:-}" in
    # Exit with code 0 only if help was explicitly requested
    -h|--help)
      print_help
      exit 0
      ;;
    ''')
      print_help
      exit 1
      ;;
  esac

  if [[ -f "$1" || "$1" = '-' ]]; then
    # Upload from file or stdin
    curl -F "file=@$1" https://0x0.st

  elif [[ "$1" =~ ^https?://.* ]]; then
    # Upload from URL
    curl -F "url=$1" https://0x0.st

  elif [[ -d "$1" ]]; then
    print_error "\"$1\" is a directory."

  else
    print_error "\"$1\": no such file."
  fi
''