$ git clone -n https://gitee.com/zhoujiajia111/libxml2_1.git /var/lib/mock/dist-an23-build-465865-73955/root/chroot_tmpdir/scmroot/libxml2_1
Cloning into '/var/lib/mock/dist-an23-build-465865-73955/root/chroot_tmpdir/scmroot/libxml2_1'...
$ git fetch origin 08704a58f5c388f33e07e0ab8dc8326479de7771:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/libxml2_1
 * [new ref]         08704a58f5c388f33e07e0ab8dc8326479de7771 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08704a5 add patch to fix cve