$ git clone -n https://src.fedoraproject.org/rpms/qcas.git /var/lib/mock/f40-build-2031120-47597/root/chroot_tmpdir/scmroot/qcas
Cloning into '/var/lib/mock/f40-build-2031120-47597/root/chroot_tmpdir/scmroot/qcas'...
$ git fetch origin 8fac34a57170a0d008c2926001fc02ec76b6da47:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qcas
 * [new ref]         8fac34a57170a0d008c2926001fc02ec76b6da47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fac34a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild