$ git clone -n https://gitee.com/wz002/galera.git /var/lib/mock/dist-an23.3-build-416487-72865/root/chroot_tmpdir/scmroot/galera
Cloning into '/var/lib/mock/dist-an23.3-build-416487-72865/root/chroot_tmpdir/scmroot/galera'...
$ git fetch origin 3504a8a87f148b0173e51e89bb0bc867369e9345:KOJI_FETCH_HEAD
From https://gitee.com/wz002/galera
 * [new ref]         3504a8a87f148b0173e51e89bb0bc867369e9345 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3504a8a update to galera-26.4.21-1