Do not override a kept promise with repaired.

VerifyCommandRetcode takes care of the interpretation, a successful
execution of the command doesn't mean anything at this point.
Merge branch 'master' of github.com:cfengine/core
Merge branch 'master' of github.com:cfengine/core
Merge branch 'master' of github.com:cfengine/core
Redmine#5527: pluck all perms-related bodies