$ git clone -n https://src.fedoraproject.org/rpms/libogg.git /var/lib/mock/f45-build-16698-490/root/chroot_tmpdir/scmroot/libogg
Cloning into '/var/lib/mock/f45-build-16698-490/root/chroot_tmpdir/scmroot/libogg'...
$ git fetch origin 6c1f5a45eca69d1200f6d3ce7058aee98a8e4e92:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libogg
 * [new ref]         6c1f5a45eca69d1200f6d3ce7058aee98a8e4e92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c1f5a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild