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> In our previous startup, a data scientist accidentally destroyed a month’s work of his team by using the wrong Git command.

Can someone explain how is this possible? More importantly was there any git branching strategy and permissions?

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It could be done with force-pushes, if nobody has a commit number for the old tree.

Not sure, even then, doesn‘t reflog keep it quite a while locally on the machine that the force push was sent? Maybe he did not commit his changes for a month and sent a git reset —-hard

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