$ git clone -n https://gitee.com/mgb01105731/docker-distribution_1.git /var/lib/mock/dist-an23-build-288085-64871/root/chroot_tmpdir/scmroot/docker-distribution_1
Cloning into '/var/lib/mock/dist-an23-build-288085-64871/root/chroot_tmpdir/scmroot/docker-distribution_1'...
$ git fetch origin b1ba2781a08aa8abc05616075f71876568854a7f:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/docker-distribution_1
 * [new ref]         b1ba2781a08aa8abc05616075f71876568854a7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1ba278 init upstream from version 2.8.1