introduce .fingersrc ruby config file

lib/fingers/commands/load_config.rb

@@ -1,6 +1,8 @@
 class Fingers::Commands::LoadConfig < Fingers::Commands::Base
   DISALLOWED_CHARS = /cimqn/.freeze
 
+  FINGERS_FILE_PATH = "#{ENV['HOME']}/.fingersrc"
+
   DEFAULT_PATTERNS = {
     "ip": '\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}',
     "uuid": '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}',
@@ -72,6 +74,18 @@ class Fingers::Commands::LoadConfig < Fingers::Commands::Base
 
     Fingers.config.alphabet = ALPHABET_MAP[Fingers.config.keyboard_layout.to_sym].split('')
 
+    fingers_file_require_path = File.expand_path(FINGERS_FILE_PATH, __dir__)
+
+    Fingers.logger.debug("Config: #{FINGERS_FILE_PATH}")
+    Fingers.logger.debug("fingers_file_require_path: #{fingers_file_require_path}")
+
+
+    if File.exist?(FINGERS_FILE_PATH)
+      `cp #{FINGERS_FILE_PATH} /tmp/fingersrc.rb`
+      require "/tmp/fingersrc.rb"
+      `rm /tmp/fingersrc.rb`
+    end
+
     Fingers.save_config
   end
 

lib/fingers/config.rb

@@ -61,4 +61,8 @@ module Fingers
     Fingers.benchmark_stamp('load-config-from-cache:end')
     result
   end
+
+  def self.configure
+    yield config
+  end
 end