$ git clone -n https://src.fedoraproject.org/rpms/lv2-sorcer.git /var/lib/mock/f45-build-17778-504/root/chroot_tmpdir/scmroot/lv2-sorcer
Cloning into '/var/lib/mock/f45-build-17778-504/root/chroot_tmpdir/scmroot/lv2-sorcer'...
$ git fetch origin 9c1f25771d1cb2b07ada05dec691aa5117d3a3d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lv2-sorcer
 * [new ref]         9c1f25771d1cb2b07ada05dec691aa5117d3a3d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c1f257 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild