$ git clone -n https://src.fedoraproject.org/rpms/sooperlooper.git /var/lib/mock/f45-build-36216-702/root/chroot_tmpdir/scmroot/sooperlooper
Cloning into '/var/lib/mock/f45-build-36216-702/root/chroot_tmpdir/scmroot/sooperlooper'...
$ git fetch origin ac74d860483705a79dc0dd1ac087fb67304ab71c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sooperlooper
 * [new ref]         ac74d860483705a79dc0dd1ac087fb67304ab71c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac74d86 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild