Re: how to diff versions of a file

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david@xxxxxxx writes:

> I don't think it's trivial

I think you meant to say it _is_ trivial.

> If you just wanted three commits ago you could do
>
> git diff HEAD..HEAD^^^ tree.c

That would give you a reverse diff; I think you probably meant the other
way around, "git diff HEAD~3 HEAD tree.c".

> but three changes to tree.c ago I think you need to do multiple
> iterations of git blame to find out what commit was three edits ago.

git diff $(git rev-list -3 HEAD -- tree.c | sed -n -e '$p') HEAD -- tree.c

This assumes that the history is linear but your statement "three edits
ago" already assumes that, so...
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