lib/ruby_learner/common.rb in ruby_learner-1.1.10 vs lib/ruby_learner/common.rb in ruby_learner-1.1.11

@@ -43,6 +43,21 @@
   def get_app_ver(app_name: String)
     app_vers = Open3.capture3("gem list #{app_name}")
     latest_ver = app_vers[0].chomp.gsub(' (', '-').gsub(')','')
     return latest_ver
   end
+
+  def change_theme(color: String, gem_dir: String)
+    chmoded = 0
+    file_path = "#{gem_dir}/lib/datas/theme_color.txt"
+    begin
+      File.write(file_path, "#{color}")
+      puts "your ruby_learner's color is #{color}!!"
+    rescue => error
+      system "sudo chmod go+w #{file_path}"
+      chmoded += 1
+      retry if chmoded < 2
+      puts "FileWrite error #{error.message}"
+      puts "you should input $sudo chmod go+w #{file_path}"
+    end
+  end
 end