$ git clone -n https://gitee.com/uestc-cheng/libxml2.git /var/lib/mock/dist-an8.8-build-299436-65890/root/chroot_tmpdir/scmroot/libxml2
Cloning into '/var/lib/mock/dist-an8.8-build-299436-65890/root/chroot_tmpdir/scmroot/libxml2'...
$ git fetch origin 24280fec842e2cc854764b8137e768fcd23f667e:KOJI_FETCH_HEAD
From https://gitee.com/uestc-cheng/libxml2
 * [new ref]         24280fec842e2cc854764b8137e768fcd23f667e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24280fe 删除文件 libxml2-2.9.7-CVE-2023-29469.patch