$ git clone -n https://src.fedoraproject.org/rpms/orangefs.git /var/lib/mock/f45-build-21180-580/root/chroot_tmpdir/scmroot/orangefs
Cloning into '/var/lib/mock/f45-build-21180-580/root/chroot_tmpdir/scmroot/orangefs'...
$ git fetch origin 2584d953b210a70cdbc0d8e64bc57c744e8dd36b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/orangefs
 * [new ref]         2584d953b210a70cdbc0d8e64bc57c744e8dd36b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2584d95 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild