git: protect you from history overrides and history manipulation

Sometimes you will get in the situation, that your changes simply disapear, even if you are 100% sure, that your have pushed your changes and merged them into master. In the history you cant find your commits.

Well, it seems, that someone has tampered the history with a rebase.

Thats really frustrating, because its hard to proof, and at the end you are looking dump.

Here is a way to protect you from tampering the history or using none fast forwards or deleting history

Edit your ~/.gitconfig

	[user]
	email = <youremail>
	name = <your name>
	[rerere]
	enable = true
	[recieve]
	denyNoneFastForwards = true
	denyDeletes=true
	fsckObjects = true

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