$ git clone -n https://src.fedoraproject.org/rpms/lv2-ll-plugins.git /var/lib/mock/f45-build-17793-504/root/chroot_tmpdir/scmroot/lv2-ll-plugins
Cloning into '/var/lib/mock/f45-build-17793-504/root/chroot_tmpdir/scmroot/lv2-ll-plugins'...
$ git fetch origin 250013c25971cb2b70e0cc332238c9a3e00a21b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lv2-ll-plugins
 * [new ref]         250013c25971cb2b70e0cc332238c9a3e00a21b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 250013c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild