$ git clone -n https://src.fedoraproject.org/rpms/qucs-s.git /var/lib/mock/f40-build-797453-141349/root/chroot_tmpdir/scmroot/qucs-s
Cloning into '/var/lib/mock/f40-build-797453-141349/root/chroot_tmpdir/scmroot/qucs-s'...
$ git fetch origin b5225397a49aa98f216ed127798b8dae3e8fee74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qucs-s
 * [new ref]         b5225397a49aa98f216ed127798b8dae3e8fee74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b522539 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild