$ git clone -n https://src.fedoraproject.org/rpms/py3c.git /var/lib/mock/f41-build-815064-149384/root/chroot_tmpdir/scmroot/py3c
Cloning into '/var/lib/mock/f41-build-815064-149384/root/chroot_tmpdir/scmroot/py3c'...
$ git fetch origin 67bef499ae1fb8c0dfa40c41d0b3c5b1f8ffd07e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/py3c
 * [new ref]         67bef499ae1fb8c0dfa40c41d0b3c5b1f8ffd07e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67bef49 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild