Re: Finding all commits which modify a file

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> On Mon, Jan 23, 2012 at 5:14 PM, Neal Groothuis <ngroot@xxxxxxxxxx> wrote:
>>> On 1/20/2012 3:35 PM, Neal Groothuis wrote:
>>>> I'm trying to find /all/ commits that change a file in the
>>>> repository...and its proving to be trickier than I thought. :-)
>>
>> On 1/21/2012 6:16 PM, Neal Kreitzinger wrote:
>>> Does git-log --all help?
>>
>> I don't see how it would.  The commits are all reachable from HEAD,
>> which
>> would seem to be the problem that --all would correct.
>>
>> What I'm trying to do is find the commits in which a file differs from
>> that same file in any of its parents.
>
> If you add parent rewriting (--parent, --graph or see it in gitk, with
> --full-history) you'll get your B2 commit as it adds commits to have a
> meaningful history. But I don't think this is what you are asking for.

Correct.  If I add parent rewriting, I get all merges, even those in which
the file is not changed from either parent.

Based on what's in the man page for git log about the history
simplification algorithm, it seems that B2 should be included in the
output when I do a git log --full-history --simplify-history foo.txt, as
per the steps I noted in the original post.  Is my understanding of the
algorithm faulty?

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