$ git clone -n https://gitee.com/gaohongmei/lvm2.git /var/lib/mock/dist-an23-build-191625-60794/root/chroot_tmpdir/scmroot/lvm2
Cloning into '/var/lib/mock/dist-an23-build-191625-60794/root/chroot_tmpdir/scmroot/lvm2'...
$ git fetch origin b5e088c83357fb3ba642e36b8ed0189f28d1c599:KOJI_FETCH_HEAD
From https://gitee.com/gaohongmei/lvm2
 * [new ref]         b5e088c83357fb3ba642e36b8ed0189f28d1c599 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b5e088c 2.03.18