$ git clone -n https://gitee.com/uestc-cheng/libxml2_commit_1.git /var/lib/mock/dist-an8.8-build-299683-65890/root/chroot_tmpdir/scmroot/libxml2_commit_1
Cloning into '/var/lib/mock/dist-an8.8-build-299683-65890/root/chroot_tmpdir/scmroot/libxml2_commit_1'...
$ git fetch origin 820229993c9aa48ea95e11432befa350fb31fdf0:KOJI_FETCH_HEAD
From https://gitee.com/uestc-cheng/libxml2_commit_1
 * [new ref]         820229993c9aa48ea95e11432befa350fb31fdf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8202299 CVE-2023-28484