$ git clone -n https://gitee.com/src-anolis-os/ceph.git /var/lib/mock/dist-an7_9-updates-build-270881-64128/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/dist-an7_9-updates-build-270881-64128/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin 6f34c7f68d58093e2dd26f81298a2847cbfeb421:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/ceph
 * [new ref]         6f34c7f68d58093e2dd26f81298a2847cbfeb421 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f34c7f rebuild with libaio update