$ git clone -n https://gitee.com/fundawang/libproxy.git /var/lib/mock/dist-an23-build-284535-64755/root/chroot_tmpdir/scmroot/libproxy
Cloning into '/var/lib/mock/dist-an23-build-284535-64755/root/chroot_tmpdir/scmroot/libproxy'...
$ git fetch origin 2b2434286a6e5090cdcb54fde80beeb0a9092d1a:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/libproxy
 * [new ref]         2b2434286a6e5090cdcb54fde80beeb0a9092d1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b24342 0.5.3