$ git clone -n https://src.fedoraproject.org/rpms/lv2-newtonator.git /var/lib/mock/f45-build-17792-504/root/chroot_tmpdir/scmroot/lv2-newtonator
Cloning into '/var/lib/mock/f45-build-17792-504/root/chroot_tmpdir/scmroot/lv2-newtonator'...
$ git fetch origin d7189dcdb63417291363f88c6e2b4ebefce26208:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lv2-newtonator
 * [new ref]         d7189dcdb63417291363f88c6e2b4ebefce26208 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7189dc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild