$ git clone -n https://gitee.com/lzq11122/libxml2.git /var/lib/mock/dist-an23-build-508293-74974/root/chroot_tmpdir/scmroot/libxml2
Cloning into '/var/lib/mock/dist-an23-build-508293-74974/root/chroot_tmpdir/scmroot/libxml2'...
$ git fetch origin 81c7528a904d3d33b4d4466055e8e7a9e8179d73:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/libxml2
 * [new ref]         81c7528a904d3d33b4d4466055e8e7a9e8179d73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81c7528 Add patch to fix CVE-2026-0990 and CVE-2026-0992