$ git clone -n https://gitee.com/wenyuzifang/libpsm2.git /var/lib/mock/dist-an23-build-485324-74348/root/chroot_tmpdir/scmroot/libpsm2
Cloning into '/var/lib/mock/dist-an23-build-485324-74348/root/chroot_tmpdir/scmroot/libpsm2'...
$ git fetch origin 162d94227ea02941816c5d7ce73c3413ea793d9e:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpsm2
 * [new ref]         162d94227ea02941816c5d7ce73c3413ea793d9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 162d942 Update code from upstream