$ git clone -n https://src.fedoraproject.org/rpms/python-symengine.git /var/lib/mock/f42-build-3342368-44991/root/chroot_tmpdir/scmroot/python-symengine
Cloning into '/var/lib/mock/f42-build-3342368-44991/root/chroot_tmpdir/scmroot/python-symengine'...
$ git fetch origin 874950cd294d32e962cf58e7bcd9023f755772f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-symengine
 * [new ref]         874950cd294d32e962cf58e7bcd9023f755772f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 874950c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild