
I suggested to Luca at the hackathon that he could use this mechanism to limit refs advertised to Jenkins, instead of writing a custom PermissionBackend. Getting this in 2.15 means people using his plugin won't have to wait for the next release to stop using the PermissionBackend hack. Change-Id: I8c38eef94d6e505b926b3da6c470e34f6613ca2c