$ git clone -n https://gitee.com/wenyuzifang/slirp4netns.git /var/lib/mock/dist-an23-build-465323-73955/root/chroot_tmpdir/scmroot/slirp4netns
Cloning into '/var/lib/mock/dist-an23-build-465323-73955/root/chroot_tmpdir/scmroot/slirp4netns'...
$ git fetch origin 3fd8080378cb906d84b3a1b7f2fe214198986e09:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/slirp4netns
 * [new ref]         3fd8080378cb906d84b3a1b7f2fe214198986e09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fd8080 Update code from upstream