Redmine

Empty attachment is considered as invalid file in some other bug tracking system.
Maybe redmine has a similar thought?

Affects current versions also (2.4)

While an empty file is not attached, it is still being databased.

Started POST "/uploads.js?attachment_id=1&filename=My_Empty_File.txt" for 192.168.56.101 at Mon Jan 06 14:47:36 +0000 2014
Processing by AttachmentsController#upload as JS
  Parameters: {"attachment_id"=>"1", "filename"=>"My_Empty_File.txt"}
  Current user: michael (id=3)
  Rendered attachments/upload.js.erb (0.4ms)
Completed 200 OK in 62.4ms (Views: 1.2ms | ActiveRecord: 57.4ms)

Started POST "/documents/3/add_attachment" for 192.168.56.101 at Mon Jan 06 14:48:33 +0000 2014
Processing by DocumentsController#add_attachment as HTML
  Parameters: {"id"=>"3", "authenticity_token"=>"aTwertwERTW34tT+trwetW41tqwtWQER23=", "attachments"=>{"1"=>{"filename"=>"My_Empty_File.txt", "description"=>"Describing empty file", "token"=>"64."}}, "utf8"=>"?", "commit"=>"Add"}
  Current user: michael (id=3)
Redirected to http://192.168.56.102/documents/3
Completed 302 Found in 10.0ms (ActiveRecord: 0.7ms)

Started GET "/documents/3" for 192.168.56.101 at Mon Jan 06 14:48:33 +0000 2014
Processing by DocumentsController#show as HTML
  Parameters: {"id"=>"3"}
  Current user: michael (id=3)
  Rendered attachments/_links.html.erb (6.6ms)
  Rendered attachments/_form.html.erb (1.8ms)
  Rendered documents/show.html.erb within layouts/base (14.5ms)
Completed 200 OK in 43.2ms (Views: 32.1ms | ActiveRecord: 1.8ms)

• id: 61
• container_id: ""
• container_type: ""
• filename: My_Empty_File.txt
• disk_filename: ""
• filesize: 0
• content_type: ""
• digest: ""
• downloads: 0
• author_id: 3
• created_on: 2014-01-06 13:59:26
• description: "" (Empty even if added a description)
• disk_directory: ""