$ git clone -n https://gitee.com/wency_cn/libpsm2.git /var/lib/mock/dist-an23-build-502528-74802/root/chroot_tmpdir/scmroot/libpsm2
Cloning into '/var/lib/mock/dist-an23-build-502528-74802/root/chroot_tmpdir/scmroot/libpsm2'...
$ git fetch origin 1357c2c2e2bb96ceccf53161eb9ca86f0436d0d4:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libpsm2
 * [new ref]         1357c2c2e2bb96ceccf53161eb9ca86f0436d0d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1357c2c Update code from upstream