$ git clone -n https://gitee.com/wenyuzifang/elfutils.git /var/lib/mock/dist-an23-build-446315-73337/root/chroot_tmpdir/scmroot/elfutils
Cloning into '/var/lib/mock/dist-an23-build-446315-73337/root/chroot_tmpdir/scmroot/elfutils'...
$ git fetch origin ac8d00e8a5f6a3b3f219044fddd4864314e4c421:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/elfutils
 * [new ref]         ac8d00e8a5f6a3b3f219044fddd4864314e4c421 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac8d00e Update code from upstream