forward cli options to hook context

Author: benmelz

lib/overcommit/cli.rb

@@ -9,6 +9,7 @@ module Overcommit
   class CLI # rubocop:disable Metrics/ClassLength
     def initialize(arguments, input, logger)
       @arguments = arguments
+      @cli_options = {}
       @input     = input
       @log       = logger
       @options   = {}
@@ -45,7 +46,7 @@ def parse_arguments
       @parser = create_option_parser
 
       begin
-        @parser.parse!(@arguments)
+        @parser.parse!(@arguments, into: @cli_options)
 
         # Default action is to install
         @options[:action] ||= :install

lib/overcommit/hook_context.rb

@@ -2,13 +2,13 @@
 
 # Utility module which manages the creation of {HookContext}s.
 module Overcommit::HookContext
-  def self.create(hook_type, config, args, input)
+  def self.create(hook_type, config, args, input, **cli_options)
     hook_type_class = Overcommit::Utils.camel_case(hook_type)
     underscored_hook_type = Overcommit::Utils.snake_case(hook_type)
 
     require "overcommit/hook_context/#{underscored_hook_type}"
 
-    Overcommit::HookContext.const_get(hook_type_class).new(config, args, input)
+    Overcommit::HookContext.const_get(hook_type_class).new(config, args, input, **cli_options)
   rescue LoadError, NameError => e
     # Could happen when a symlink was created for a hook type Overcommit does
     # not yet support.

lib/overcommit/hook_context/base.rb

@@ -18,10 +18,12 @@ class Base
     # @param config [Overcommit::Configuration]
     # @param args [Array<String>]
     # @param input [IO] standard input stream
-    def initialize(config, args, input)
+    # @param options [Hash] cli options
+    def initialize(config, args, input, **options)
       @config = config
       @args = args
       @input = input
+      @options = options
     end
 
     # Executes a command as if it were a regular git hook, passing all