Script to convert Konsole color schema to Alacritty color schema

colors_konsole2alacritty.rb

require 'yaml'

def parse_ini(lines)
  data = {}
  section = nil
  lines.each do |line|
    if line =~ /\[(.+)\]/
      section = $1
    elsif section && line =~ /(.+)=(.*)/
      data[section] ||= {}
      data[section][$1] = $2
    end
  end
  data
end

def dec2hex(str)
  hex = str.split(',').map{|s| s.to_i.to_s(16).rjust(2, '0')}
  '#' + hex.join('')
end

MAPPING = {
  'Color0' => 'black',
  'Color1' => 'red',
  'Color2' => 'green',
  'Color3' => 'yellow',
  'Color4' => 'blue',
  'Color5' => 'magenta',
  'Color6' => 'cyan',
  'Color7' => 'white',
  'Background' => 'background',
  'Foreground' => 'foreground'
}.freeze
def konsole2alacritty(data)
  colors = {'primary' => {}, 'normal' => {}, 'bright' => {}, 'dim' => {}}
  colors['primary']['background'] = dec2hex(data['Background']['Color'])
  colors['primary']['dim_background'] = dec2hex(data['BackgroundFaint']['Color'])
  colors['primary']['bright_background'] = dec2hex(data['BackgroundIntense']['Color'])
  MAPPING.each do |key, color|
    if key =~ /^Color/
      colors['normal'][color] = dec2hex data[key]['Color']
      colors['dim'][color]    = dec2hex data["#{key}Faint"]['Color']
      colors['bright'][color] = dec2hex data["#{key}Intense"]['Color']
    else
      colors['primary'][color]             = dec2hex data[key]['Color']
      colors['primary']["dim_#{color}"]    = dec2hex data["#{key}Faint"]['Color']
      colors['primary']["bright_#{color}"] = dec2hex data["#{key}Intense"]['Color']
    end
  end
  {'colors' => colors}
end

lines = File.readlines(ARGV[0]).map(&:chomp)
konsole = parse_ini(lines)
alacritty = konsole2alacritty(konsole)

puts "# Converted from konsole color schema \"#{ARGV[0]}\""
puts YAML.dump(alacritty).gsub("---\n", '')