$ git clone -n https://src.fedoraproject.org/rpms/openvr.git /var/lib/mock/f45-build-21146-579/root/chroot_tmpdir/scmroot/openvr
Cloning into '/var/lib/mock/f45-build-21146-579/root/chroot_tmpdir/scmroot/openvr'...
$ git fetch origin 2a813af2c5531df5c507219aaf35e43f609b672b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openvr
 * [new ref]         2a813af2c5531df5c507219aaf35e43f609b672b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a813af Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild