$ git clone -n https://src.fedoraproject.org/rpms/xfce4-clipman-plugin.git /var/lib/mock/f45-build-38785-728/root/chroot_tmpdir/scmroot/xfce4-clipman-plugin
Cloning into '/var/lib/mock/f45-build-38785-728/root/chroot_tmpdir/scmroot/xfce4-clipman-plugin'...
$ git fetch origin 5499a087317e7b4c8a62505826416c0a29ece08b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-clipman-plugin
 * [new ref]         5499a087317e7b4c8a62505826416c0a29ece08b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5499a08 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild