$ git clone -n https://src.fedoraproject.org/rpms/python-emcee.git /var/lib/mock/f41-build-side-2-python-2693891-30279/root/chroot_tmpdir/scmroot/python-emcee
Cloning into '/var/lib/mock/f41-build-side-2-python-2693891-30279/root/chroot_tmpdir/scmroot/python-emcee'...
$ git fetch origin b3b6978be5e64bc498a0f8d8e03922b820b31e21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-emcee
 * [new ref]         b3b6978be5e64bc498a0f8d8e03922b820b31e21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3b6978 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild