$ git clone -n https://src.fedoraproject.org/rpms/jchardet.git /var/lib/mock/f38-build-side-42-init-devel-570999-25910/root/chroot_tmpdir/scmroot/jchardet
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-570999-25910/root/chroot_tmpdir/scmroot/jchardet'...
$ git fetch origin 3858e7302c57615013fadb79c0342c7f2fd619af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jchardet
 * [new ref]         3858e7302c57615013fadb79c0342c7f2fd619af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3858e73 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild