Create .envious file if not exist

lib/dotenvious/cli/envious_file_configuror.rb

@@ -0,0 +1,37 @@
+module Dotenvious
+  module CLI
+    class EnviousFileConfiguror
+      def run
+        unless envious_present?
+          puts "You don't have an .envious file present. Create one now? [y\\n]"
+          decision = STDIN.gets.strip.downcase
+          if decision == 'y'
+            create_blank_envious_file
+          end
+        end
+      end
+
+      private
+
+      def create_blank_envious_file
+        File.open('.envious', 'w') do |file|
+          file.write(configuration_skeletion)
+        end
+      end
+
+      def configuration_skeletion
+        <<~CONFIG
+          ### Generated by dotenvious. Edit with care!
+          Dotenvious::Configuration.new do |config|
+            config.custom_variables = []
+            config.optional_variables = []
+          end
+        CONFIG
+      end
+
+      def envious_present?
+        File.exist?('.envious')
+      end
+    end
+  end
+end

lib/dotenvious/cli/main.rb

@@ -1,11 +1,13 @@
 require_relative 'env_file_consolidator'
 require_relative 'env_file_sorter'
+require_relative 'envious_file_configuror'
 
 module Dotenvious
   module CLI
     class Main
       def run
         if ARGV[0].to_s.empty?
+          EnviousFileConfiguror.new.run
           EnvFileConsolidator.new.run
         elsif ARGV[0].to_s == '--sort'
           EnvFileSorter.new.run

spec/dotenvious/cli/envious_file_configuror_spec.rb

@@ -0,0 +1,46 @@
+require 'spec_helper'
+
+describe Dotenvious::CLI::EnviousFileConfiguror do
+  describe '#run' do
+    context 'when no .envious file exists' do
+      before do
+        allow(File).to receive(:exist?).with('.envious').and_return false
+      end
+
+      context 'and the user wants to create an .envious file' do
+        before do
+          expect(STDIN).to receive(:gets).and_return "y"
+        end
+        it 'creates the file' do
+          fake_file = double(File)
+          expect(File).to receive(:open).and_yield fake_file
+          expect(fake_file).to receive(:write)
+
+          described_class.new.run
+        end
+      end
+
+      context 'but the user does not want to create an .envious file' do
+        before do
+          expect(STDIN).to receive(:gets).and_return "n"
+        end
+        it 'does nothing' do
+          expect(File).not_to receive(:open)
+
+          described_class.new.run
+        end
+      end
+    end
+
+    context 'when an .envious file exists' do
+      before do
+         allow(File).to receive(:exist?).with('.envious').and_return true
+      end
+      it 'does not prompt or do anything' do
+        expect(STDIN).not_to receive(:gets)
+
+        described_class.new.run
+      end
+    end
+  end
+end

spec/dotenvious/cli/main_spec.rb

@@ -5,6 +5,7 @@
     context 'with no flags' do
       before do
         allow(File).to receive(:read).and_return("")
+        allow(STDIN).to receive(:gets).and_return('n')
       end
 
       it 'begins the EnvFileConsolidator' do