$ git clone -n https://gitee.com/wenyuzifang/libpsm2.git /var/lib/mock/dist-an23-build-471823-74118/root/chroot_tmpdir/scmroot/libpsm2
Cloning into '/var/lib/mock/dist-an23-build-471823-74118/root/chroot_tmpdir/scmroot/libpsm2'...
$ git fetch origin f366d17783f568e5c6709664eaea64f8373ebd36:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libpsm2
 * [new ref]         f366d17783f568e5c6709664eaea64f8373ebd36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f366d17 Update code from upstream