$ git clone -n https://gitee.com/uestc-cheng/libxml2.git /var/lib/mock/dist-an8.8-build-299244-65890/root/chroot_tmpdir/scmroot/libxml2
Cloning into '/var/lib/mock/dist-an8.8-build-299244-65890/root/chroot_tmpdir/scmroot/libxml2'...
$ git reset --hard e048d377ac08e6528db9f724345a0157c6f0172e
HEAD is now at e048d37 add libxml2-2.9.7-CVE-2023-28484.patch.