$ git clone -n https://src.fedoraproject.org/rpms/wayvnc.git /var/lib/mock/f45-build-38313-723/root/chroot_tmpdir/scmroot/wayvnc
Cloning into '/var/lib/mock/f45-build-38313-723/root/chroot_tmpdir/scmroot/wayvnc'...
$ git fetch origin 8bdf4590f5b9cb6071e9af3afcda52eadf4e6630:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wayvnc
 * [new ref]         8bdf4590f5b9cb6071e9af3afcda52eadf4e6630 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bdf459 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild