$ git clone -n https://gitee.com/mgb01105731/libglvnd.git /var/lib/mock/dist-an23.2-build-423060-72922/root/chroot_tmpdir/scmroot/libglvnd
Cloning into '/var/lib/mock/dist-an23.2-build-423060-72922/root/chroot_tmpdir/scmroot/libglvnd'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libglvnd
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac967e6 Bugfix-for-CVE-2023-45924