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List:       git
Subject:    Re: how to fix the problem correctly?
From:       Eugene Sajine <euguess () gmail ! com>
Date:       2010-04-28 18:55:01
Message-ID: t2h76c5b8581004281155ta77ad992xc36b5d87824ec9cf () mail ! gmail ! com
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>
> Virtually any way that works is "correct."  It depends a bit on your goals.
>
> Step 1 is certainly the easiest place to start.  If you're then
> concerned about making sure your history never showed the mistake
> (which is a lofty goal, though rarely very important), you could use
> git rebase to 'squash' this new commit into C.  But rewriting history
> in git has well-documented dangers, so you should be careful and read
> the docs first.

Good idea to clean up with rebase after step 1. I didn't think about
that, thanks! And yes I know about the restrictions;)

>
>> PS interesting enough – CVS keywords helped us to notice the problem
>> as master state was imported from CVS.
>> In commit A file 1.txt had version ID 1.5 in commit B it was 1.6 ,
>> commit C was changing the line back to 1.5
>> Is there a way for git to help me to recognize this kind of issue if
>> there are no keywords?
>
> Sadly, git doesn't have any magic features for detecting when someone
> checks in something stupid :)   But 'git bisect' can be very helpful
> in isolating which commit caused a particular problem.  Once you know
> you have a problem, it's pretty easy to narrow it down that way.

yes, it is very hard to be fool-proof. I just got an idea:
In this particular case some script scanning for pairs of commits
where blob SHA-1 changes
are like below (for the same path) and warns about such occurrences.

commit 1111
... blobaaaaaa... blobbbbbbb... path

commit 3333

... blobbbbbbb... blobaaaaaaa... path

Unless the commit 3333 is a real revert, this might be suspicious, isn't it?

I don't know if it has any real sense or use, but i will try to create
such thing at least as an exercise...

Thanks,
Eugene
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