$ git clone -n https://gitee.com/mgb01105731/tuna.git /var/lib/mock/dist-an23.3-build-419716-72884/root/chroot_tmpdir/scmroot/tuna
Cloning into '/var/lib/mock/dist-an23.3-build-419716-72884/root/chroot_tmpdir/scmroot/tuna'...
$ git fetch origin 6ad7b3073fd280f3a60b6651ec5ce91040a4e42d:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/tuna
 * [new ref]         6ad7b3073fd280f3a60b6651ec5ce91040a4e42d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ad7b30 Update to 0.19 from 0.18