$ git clone -n https://src.fedoraproject.org/rpms/security-menus.git /var/lib/mock/f45-build-35802-699/root/chroot_tmpdir/scmroot/security-menus
Cloning into '/var/lib/mock/f45-build-35802-699/root/chroot_tmpdir/scmroot/security-menus'...
$ git fetch origin 9388429f37f16cb7db093fd70e4d560a44db9196:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/security-menus
 * [new ref]         9388429f37f16cb7db093fd70e4d560a44db9196 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9388429 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild