* Security: try revert operations in a temporary working tree before
approving them. Previously, automatic rename detection could result in
a revert writing outside the wiki srcdir or altering a file that the
reverting user should not be able to alter, an authorization bypass.
* Security: try revert operations in a temporary working tree before
approving them. Previously, automatic rename detection could result in
a revert writing outside the wiki srcdir or altering a file that the
reverting user should not be able to alter, an authorization bypass.