$ git clone -n https://gitee.com/wz002/libxml2.git /var/lib/mock/dist-an8.9-build-414387-72835/root/chroot_tmpdir/scmroot/libxml2
Cloning into '/var/lib/mock/dist-an8.9-build-414387-72835/root/chroot_tmpdir/scmroot/libxml2'...
$ git fetch origin aa5af70d64bce9c8ed7005276751c5fd6f10e997:KOJI_FETCH_HEAD
From https://gitee.com/wz002/libxml2
 * [new ref]         aa5af70d64bce9c8ed7005276751c5fd6f10e997 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa5af70 [CVE] fix for CVE-2022-49043