$ git clone -n https://gitee.com/zhoujiajia111/libxml2_1.git /var/lib/mock/dist-an23-build-465752-73955/root/chroot_tmpdir/scmroot/libxml2_1
Cloning into '/var/lib/mock/dist-an23-build-465752-73955/root/chroot_tmpdir/scmroot/libxml2_1'...
$ git fetch origin 224f4458d4605a33428fc4875b3b6aa0b8add6ce:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/libxml2_1
 * [new ref]         224f4458d4605a33428fc4875b3b6aa0b8add6ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 224f445 update version to fix cve