fixed 文件增加是否文本判断，可显示多种文本文件

app/helpers/repositories_helper.rb

@@ -19,6 +19,10 @@ module RepositoriesHelper
     default_type.include?(str.to_s.gsub("\r", "").downcase)
   end
 
+  def is_text_file?(entry)
+    entry['is_text_file']
+  end
+
   def is_readme?(type, str)
     return false if type != 'file' || str.blank?
     readme_types = ["readme.md", "readme", "readme_en.md", "readme_zh.md", "readme_en", "readme_zh"]
@@ -232,6 +236,8 @@ module RepositoriesHelper
       # Rails.logger.info("content===#{content}")
       return Base64.decode64(content).force_encoding("GBK").encode("UTF-8") unless Base64.decode64(content).force_encoding('UTF-8').valid_encoding?
       return Base64.decode64(content).force_encoding('UTF-8')
+    elsif entry['is_text_file'] == true
+      return render_decode64_content(entry['content'])
     else
       file_type = File.extname(entry['name'].to_s)[1..-1]
       if image_type?(file_type)