$ git clone -n https://src.fedoraproject.org/rpms/qsf.git /var/lib/mock/f40-build-752697-116820/root/chroot_tmpdir/scmroot/qsf
Cloning into '/var/lib/mock/f40-build-752697-116820/root/chroot_tmpdir/scmroot/qsf'...
$ git fetch origin ba2e5fbf9b0ed1de6f1839547e61f36e5296bcd0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qsf
 * [new ref]         ba2e5fbf9b0ed1de6f1839547e61f36e5296bcd0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba2e5fb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild