$ git clone -n https://gitee.com/zhangjing-gitee/dump.git /var/lib/mock/dist-an23-build-195135-60869/root/chroot_tmpdir/scmroot/dump
Cloning into '/var/lib/mock/dist-an23-build-195135-60869/root/chroot_tmpdir/scmroot/dump'...
$ git fetch origin 8202577e045d3d73d6c06a1d03d7c9471e543957:KOJI_FETCH_HEAD
From https://gitee.com/zhangjing-gitee/dump
 * [new ref]         8202577e045d3d73d6c06a1d03d7c9471e543957 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8202577 Optimize spec