$ git clone -n https://src.fedoraproject.org/rpms/lv.git /var/lib/mock/f45-build-17777-504/root/chroot_tmpdir/scmroot/lv
Cloning into '/var/lib/mock/f45-build-17777-504/root/chroot_tmpdir/scmroot/lv'...
$ git fetch origin e8584ebeff8ac3983e42e7851219fb1a2e96bf51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lv
 * [new ref]         e8584ebeff8ac3983e42e7851219fb1a2e96bf51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8584eb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild