$ git clone -n https://gitee.com/src-anolis-os/libglvnd.git /var/lib/mock/dist-an23-loongarch-build-308645-66339/root/chroot_tmpdir/scmroot/libglvnd
Cloning into '/var/lib/mock/dist-an23-loongarch-build-308645-66339/root/chroot_tmpdir/scmroot/libglvnd'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libglvnd
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb064c5 add loongarch64 support for libglvnd