$ git clone -n https://gitee.com/wenyuzifang/virt-viewer.git /var/lib/mock/dist-an23-build-464399-73881/root/chroot_tmpdir/scmroot/virt-viewer
Cloning into '/var/lib/mock/dist-an23-build-464399-73881/root/chroot_tmpdir/scmroot/virt-viewer'...
$ git fetch origin fc5fa514e5e7d97f596dcc59878982229e526b8b:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/virt-viewer
 * [new ref]         fc5fa514e5e7d97f596dcc59878982229e526b8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc5fa51 Update code from upstream