$ git clone -n https://gitee.com/tomcruiseqi/libxml2.git /var/lib/mock/dist-an23.4-build-530165-80248/root/chroot_tmpdir/scmroot/libxml2
Cloning into '/var/lib/mock/dist-an23.4-build-530165-80248/root/chroot_tmpdir/scmroot/libxml2'...
$ git fetch origin 301c8b5322a37c6bffd5fca0499448d9b99bb580:KOJI_FETCH_HEAD
From https://gitee.com/tomcruiseqi/libxml2
 * [new ref]         301c8b5322a37c6bffd5fca0499448d9b99bb580 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 301c8b5 [CVE][Upstream] Update to 2.15.3 to fix CVE-2026-6732