$ git clone -n https://src.fedoraproject.org/rpms/wl-mirror.git /var/lib/mock/f45-build-38427-724/root/chroot_tmpdir/scmroot/wl-mirror
Cloning into '/var/lib/mock/f45-build-38427-724/root/chroot_tmpdir/scmroot/wl-mirror'...
$ git fetch origin 20e02ceed3549a6c634e123c1aad4a034686a169:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wl-mirror
 * [new ref]         20e02ceed3549a6c634e123c1aad4a034686a169 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20e02ce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild