$ git clone -n https://gitee.com/wenyuzifang/libslirp.git /var/lib/mock/dist-an23-build-462650-73799/root/chroot_tmpdir/scmroot/libslirp
Cloning into '/var/lib/mock/dist-an23-build-462650-73799/root/chroot_tmpdir/scmroot/libslirp'...
$ git fetch origin 6108b4406b76be4bd5e6e8143bf8a31420f488c3:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libslirp
 * [new ref]         6108b4406b76be4bd5e6e8143bf8a31420f488c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6108b44 Update code from upstream