Changes iTerm2's background color based on host configuration

ssh-background

#!/bin/bash
# Installation:
# 1. Save this script to /some/bin/ssh-background
# 2. chmod 755 /some/bin/ssh-background
# 3. alias ssh=/some/bin/ssh-background
# 4. Configure your host colors below.

set_color() {
  local HEX_FG=$1
  local HEX_BG=$2
  local OPACITY=$3

  local FG_R=`echo $HEX_FG | sed 's/../0x&,/g' | awk -F "," '{printf("%d",$1 * 257)}'`
  local FG_G=`echo $HEX_FG | sed 's/../0x&,/g' | awk -F "," '{printf("%d",$2 * 257)}'`
  local FG_B=`echo $HEX_FG | sed 's/../0x&,/g' | awk -F "," '{printf("%d",$3 * 257)}'`
  local BG_R=`echo $HEX_BG | sed 's/../0x&,/g' | awk -F "," '{printf("%d",$1 * 257)}'`
  local BG_G=`echo $HEX_BG | sed 's/../0x&,/g' | awk -F "," '{printf("%d",$2 * 257)}'`
  local BG_B=`echo $HEX_BG | sed 's/../0x&,/g' | awk -F "," '{printf("%d",$3 * 257)}'`

  /usr/bin/osascript <<EOF
tell application "iTerm"
   tell current session of current terminal
      set foreground color to {$FG_R, $FG_G, $FG_B}
      set background color to {$BG_R, $BG_G, $BG_B} 
      set transparency to "$OPACITY" 
   end tell
end tell
EOF
}

if [[ "$@" =~ host0.example.com ]]; then
   set_color ffffff 330000 0.2 
elif [[ "$@" =~ host1.example.com ]]; then
   set_color ffffff 000033 0.2
fi

ssh $@

set_color ffffff 000000 0.2

You can use profiles to make this work easier. See https://gist.github.com/mihigh/ead75ff55756680ae7cd

Fix '59:67: syntax error: end of lineがあるべきところですがidentifierが見つかりました。 (-2741)'

    /usr/bin/osascript <<EOF
  tell application "iTerm"
-   tell current session of current terminal
+   tell current session of first window
      set foreground color to {$FG_R, $FG_G, $FG_B}
      set background color to {$BG_R, $BG_G, $BG_B}
      set transparency to "$OPACITY"
    end tell
  end tell
  EOF
  }