D19850: Make AppStream generation opt-in

[Nathaniel Graham]

ngraham added a comment.


  Ping! Can we land this or a variant of it?

REPOSITORY
  R290 KPackage

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D19850

To: apol, #plasma, ngraham
Cc: sitter, ngraham, kde-frameworks-devel, michaelh, bruns