$ git clone -n https://src.fedoraproject.org/rpms/phonon-backend-vlc.git /var/lib/mock/f45-build-27793-626/root/chroot_tmpdir/scmroot/phonon-backend-vlc
Cloning into '/var/lib/mock/f45-build-27793-626/root/chroot_tmpdir/scmroot/phonon-backend-vlc'...
$ git fetch origin ddf2dd03b09d4a6e351c806c01d047b8d3d0d587:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phonon-backend-vlc
 * [new ref]         ddf2dd03b09d4a6e351c806c01d047b8d3d0d587 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddf2dd0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild