prompt.rb in cli-ui-1.5.0

- old
+ new

@@ -1,9 +1,24 @@
 # coding: utf-8
 require 'cli/ui'
 require 'readline'
 
+module Readline
+  unless const_defined?(:FILENAME_COMPLETION_PROC)
+    FILENAME_COMPLETION_PROC = proc do |input|
+      directory = input[-1] == '/' ? input : File.dirname(input)
+      filename = input[-1] == '/' ? '' : File.basename(input)
+
+      (Dir.entries(directory).select do |fp|
+        fp.start_with?(filename)
+      end - (input[-1] == '.' ? [] : ['.', '..'])).map do |fp|
+        File.join(directory, fp).gsub(/\A\.\//, '')
+      end
+    end
+  end
+end
+
 module CLI
   module UI
     module Prompt
       autoload :InteractiveOptions,  'cli/ui/prompt/interactive_options'
       autoload :OptionsHandler,      'cli/ui/prompt/options_handler'
@@ -189,16 +204,16 @@
             handler.options
           end
 
           raise(ArgumentError, 'insufficient options') if options.nil? || options.empty?
           navigate_text = if CLI::UI::OS.current.supports_arrow_keys?
-            "Choose with ↑ ↓ ⏎"
+            'Choose with ↑ ↓ ⏎'
           else
             "Navigate up with 'k' and down with 'j', press Enter to select"
           end
 
-          instructions = (multiple ? "Toggle options. " : "") + navigate_text
+          instructions = (multiple ? 'Toggle options. ' : '') + navigate_text
           instructions += ", filter with 'f'" if filter_ui
           instructions += ", enter option with 'e'" if select_ui && (options.size > 9)
           puts_question("#{question} {{yellow:(#{instructions})}}")
           resp = interactive_prompt(options, multiple: multiple, default: default)
 
@@ -210,13 +225,13 @@
           # reset the question to include the answer
           resp_text = resp
           if multiple
             resp_text = case resp.size
             when 0
-              "<nothing>"
+              '<nothing>'
             when 1..2
-              resp.join(" and ")
+              resp.join(' and ')
             else
               "#{resp.size} items"
             end
           end
           puts_question("#{question} (You chose: {{italic:#{resp_text}}})")
@@ -249,13 +264,13 @@
         end
 
         def readline(is_file: false)
           if is_file
             Readline.completion_proc = Readline::FILENAME_COMPLETION_PROC
-            Readline.completion_append_character = ""
+            Readline.completion_append_character = ''
           else
             Readline.completion_proc = proc { |*| nil }
-            Readline.completion_append_character = " "
+            Readline.completion_append_character = ' '
           end
 
           # because Readline is a C library, CLI::UI's hooks into $stdout don't
           # work. We could work around this by having CLI::UI use a pipe and a
           # thread to manage output, but the current strategy feels like a