add do_not_shard_destination option #866
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Firstly thanks a lot for the useful tool you built and shared with the world 🙏
We had a use case where we intended to move a 300GB sharded collection hosted on Mongo Atlas to another regular non-sharded replicaset. Due to the fact that the collection on each shard accidentally had different UUIDs (strange technical quirk of MongoDB) reducing shard number to 0 and then moving it was not possible.
We leveraged MongoShake to move all our data. We slightly modified the source code with this flag to skip over the step where the tool shards the destination database/collection to match the configuration of the source.
I thought other people may find it useful too.