$ git clone -n https://src.fedoraproject.org/rpms/juniversalchardet.git /var/lib/mock/f40-build-2295722-56337/root/chroot_tmpdir/scmroot/juniversalchardet
Cloning into '/var/lib/mock/f40-build-2295722-56337/root/chroot_tmpdir/scmroot/juniversalchardet'...
$ git fetch origin fb541ae42aaa3fc788169b470faf919020e3293b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/juniversalchardet
 * [new ref]         fb541ae42aaa3fc788169b470faf919020e3293b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb541ae Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild