$ git clone -n https://gitee.com/liubo007/libxml2.git /var/lib/mock/dist-an8.8-build-333552-69617/root/chroot_tmpdir/scmroot/libxml2
Cloning into '/var/lib/mock/dist-an8.8-build-333552-69617/root/chroot_tmpdir/scmroot/libxml2'...
$ git fetch origin 1e50100e97bb2ef58f5a9b83a3fd1657fe202d3e:KOJI_FETCH_HEAD
From https://gitee.com/liubo007/libxml2
 * [new ref]         1e50100e97bb2ef58f5a9b83a3fd1657fe202d3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e50100 Fix CVE-2023-39615