D17617: Display error instead of silently failing when asked to create folder that already exists

[Hazem Salem]

Codezela added a comment.


  can we change enter different name to just rename
  for simplicity

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D17617

To: ngraham, #dolphin
Cc: Codezela, kde-frameworks-devel, michaelh, ngraham, bruns