$ git clone -n https://src.fedoraproject.org/rpms/libhandy.git /var/lib/mock/f45-build-16271-485/root/chroot_tmpdir/scmroot/libhandy
Cloning into '/var/lib/mock/f45-build-16271-485/root/chroot_tmpdir/scmroot/libhandy'...
$ git fetch origin fe8bcd5835da8cbe20942044c11932cca6c67e0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libhandy
 * [new ref]         fe8bcd5835da8cbe20942044c11932cca6c67e0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe8bcd5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild