Sets the remote hostname as iTerm background

iSSH

#!/usr/bin/env bash

BG_COLOR="#000000"      # Background color
FG_COLOR="#662020"      # Foreground color
DIMENSIONS="570x342"    # Console dimensions
GRAVITY="NorthEast"     # Text gravity (NorthWest, North, NorthEast,
                        # West, Center, East, SouthWest, South, SouthEast)
OFFSET="20,10"          # Text offset
FONT_SIZE="60"          # Font size in points
FONT_FAMILY="Monaco"    # Font family
FONT_STYLE="Normal"     # Font style (Any, Italic, Normal, Oblique)

HOSTNAME=`echo $@ | sed "s/.*@//" | sed "s/ .*//"`

set_bg () {
  osascript -e "tell application \"iTerm\"
    set current_terminal to (current terminal)
    tell current_terminal
      set current_session to (current session)
      tell current_session
        set background image path to \"$1\"
      end tell
    end tell
  end tell"
}

on_exit () {
  if [ ! -f /tmp/iTermBG.empty.png ]; then
    convert -size "$DIMENSIONS" xc:"$BG_COLOR" "/tmp/iTermBG.empty.png"
  fi
  set_bg "/tmp/iTermBG.empty.png"
  rm "/tmp/iTermBG.$$.png"
}
trap on_exit EXIT

convert -size "$DIMENSIONS" xc:"$BG_COLOR" -gravity "$GRAVITY" -fill "$FG_COLOR" -family "$FONT_FAMILY" -style "$FONT_STYLE" -pointsize "$FONT_SIZE" -antialias -draw "text $OFFSET '$HOSTNAME'" "/tmp/iTermBG.$$.png"
set_bg "/tmp/iTermBG.$$.png"

`which ssh` "$@"