$ git clone -n https://gitee.com/wenyuzifang/libpsm2.git /var/lib/mock/dist-an23-build-468959-74027/root/chroot_tmpdir/scmroot/libpsm2
Cloning into '/var/lib/mock/dist-an23-build-468959-74027/root/chroot_tmpdir/scmroot/libpsm2'...
$ git fetch origin 88635cbb293fd79833d08820de9ce09422f3c76a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpsm2
 * [new ref]         88635cbb293fd79833d08820de9ce09422f3c76a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88635cb Update code from upstream