$ git clone -n https://src.fedoraproject.org/rpms/sms_ntsc.git /var/lib/mock/f45-build-36150-701/root/chroot_tmpdir/scmroot/sms_ntsc
Cloning into '/var/lib/mock/f45-build-36150-701/root/chroot_tmpdir/scmroot/sms_ntsc'...
$ git fetch origin a8308fabe3614182ac09fe7696e71ee6001d78ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sms_ntsc
 * [new ref]         a8308fabe3614182ac09fe7696e71ee6001d78ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8308fa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild