$ git clone -n https://gitee.com/src-anolis-os/libxml2.git /var/lib/mock/dist-an23.5-AImanager-build-529149-76907/root/chroot_tmpdir/scmroot/libxml2
Cloning into '/var/lib/mock/dist-an23.5-AImanager-build-529149-76907/root/chroot_tmpdir/scmroot/libxml2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libxml2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8090cb Add patch to fix CVE-2026-0992,CVE-2026-1757