.shellfishrc

# include this from .bashrc, .zshrc or
# another shell startup file

# this script does nothing outside ShellFish
if [ "$LC_TERMINAL" = "ShellFish" ]; then
  printURIComponent() {
    awk 'BEGIN {while (y++ < 125) z[sprintf("%c", y)] = y
    while (y = substr(ARGV[1], ++j, 1))
    q = y ~ /[a-zA-Z0-9]/ ? q y : q sprintf("%%%02X", z[y])
    printf("%s", q)}' "$1"
  }

  printOSC() {
    if [ -n "$TMUX" ]; then
      awk 'BEGIN {printf "\033Ptmux;\033\033]"}'
    else
      awk 'BEGIN {printf "\033]"}'
    fi
  }

  printST() {
    if [ -n "$TMUX" ]; then
      awk 'BEGIN {printf "\a\033\\"}'
    else
      awk 'BEGIN {printf "\a"}'
    fi
  }

  # sharesheet should be called with
  # filenames as arguments that will open
  # in system sharesheet. Alternatively you
  # can pipe in text and call it without 
  # arguments
  sharesheet() {
    printOSC
    awk 'BEGIN {printf "6;sharesheet://?pwd="}'
    printURIComponent "$PWD"
    awk 'BEGIN {printf "&home="}'
    printURIComponent "$HOME"
    for var in "$@"
    do
      awk 'BEGIN {printf "&path="}'
      printURIComponent "$var"
    done
    if [ $# -eq 0 ]
    then
      text=$(cat -)
      awk 'BEGIN {printf "&text="}'
      printURIComponent "$text"
    fi
    printST
  }

  # textastic should be called with a
  # single filename argument that will 
  # open in Textastic 9.5 or later
  textastic() {
    printOSC
    awk 'BEGIN {printf "6;textastic://?pwd="}'
    printURIComponent "$PWD"
    awk 'BEGIN {printf "&home="}'
    printURIComponent "$HOME"
    awk 'BEGIN {printf "&path="}'
    printURIComponent "$1"
    printST
  }
  
  # Secure ShellFish supports 24-bit colors
  export COLORTERM=truecolor

  # send the current directory using OSC 7
  # when showing prompt to make filename
  # detection work better
  if [ -z "$INSIDE_EMACS" ]; then
    update_terminal_cwd() {
      printOSC
      awk "BEGIN {printf \"7;%s\", \"file://$HOSTNAME\"}"
      printURIComponent "$PWD"
      printST
    }
    PROMPT_COMMAND="update_terminal_cwd${PROMPT_COMMAND:+; $PROMPT_COMMAND}"
  fi
fi