iterm_colour

#! /usr/bin/env ruby
# Set iTerm 2 tab colours.
#
# Author: Matt Foster <[email protected]>

require 'color/css'

colour = ARGV.shift

if colour.nil?
  puts "Usage: #{$1} colour_name"
  exit 1
end

if colour == 'reset'
  print "\033]6;1;bg;*;default\a"
  exit
end

colour_info = Color::CSS[colour]

if colour_info.nil?
  puts "Couldn't process colour name #{colour}"
  exit 1
end

red   = (colour_info.r * 255).to_i
green = (colour_info.g * 255).to_i
blue  = (colour_info.b * 255).to_i

print "\033]6;1;bg;red;brightness;#{red}\a"
print "\033]6;1;bg;green;brightness;#{green}\a"
print "\033]6;1;bg;blue;brightness;#{blue}\a"