$ git clone -n https://src.fedoraproject.org/rpms/xdrawchem.git /var/lib/mock/f40-build-799020-142136/root/chroot_tmpdir/scmroot/xdrawchem
Cloning into '/var/lib/mock/f40-build-799020-142136/root/chroot_tmpdir/scmroot/xdrawchem'...
$ git fetch origin 4f374d9fc6f533b9158e0299c9e86349e294bdbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdrawchem
 * [new ref]         4f374d9fc6f533b9158e0299c9e86349e294bdbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f374d9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild