$ git clone -n https://gitee.com/wenyuzifang/slirp4netns.git /var/lib/mock/dist-an23-build-472763-74118/root/chroot_tmpdir/scmroot/slirp4netns
Cloning into '/var/lib/mock/dist-an23-build-472763-74118/root/chroot_tmpdir/scmroot/slirp4netns'...
$ git fetch origin 334f7a55ad008deb7e4272b76dea4d403a78763e:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/slirp4netns
 * [new ref]         334f7a55ad008deb7e4272b76dea4d403a78763e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 334f7a5 Update code from upstream