cubicweb-mercurial-server #2544474 Check consistency of mercurial server permissions [validation pending]

Forbid creation of a MercurialServerPermission if the associated key / repository already have a MercurialServerPermission

prioritynormal
typebug
done in0.1.0
load0.000
load left0.000
closed by#57b43e2be726 [schema, tests] closes #2544474 - Maintain consistency of Permissions