On Mar. 23, 2009, 16:06 +0200, Benny Halevy <bhalevy@xxxxxxxxxxx> wrote:
> On Mar. 23, 2009, 15:54 +0200, Thomas Rast <trast@xxxxxxxxxxxxxxx> wrote:
>> Benny Halevy wrote:
>>> I'm hitting bad merges with (non interactive) git rebase
>>> when a hunk is merged pre-maturely into an inexact match
>>> when there's fuzz.
>> [...]
>>> { for i in {1..10}; do echo fuzz $i; done; echo; cat test_file; } > fuzz_file
>> [...]
>>> git rebase --onto test_branch master^ master
>> git-am, and by extension rebase, by default doesn't take history into
>> account. It just applies the patches "blindly". ...
git am, in contrast to git rebase, errs on fuzz and you'll need to
apply the patch manually. It might be annoying, but it'd be safer
if git rebase would either stop on fuzz too or revert to using
merge strategies (same as using git rebase -m) by default.
>> ... Thus, there's no way
>> to know which series of 'line N' you really wanted it to go onto.
Well, there's the hunk header.
Benny
>>
>> To avoid this issue, use the -m option to git-rebase so that it uses a
>> "real" merge. (You can achieve similar effects for git-am with the -3
>> option.)
>>
>
> OK. -m indeed helps and I'm certainly going to adopt it for my rebase scripts.
> git rebase -i does too, BTW.
>
> I would expect though that the default mode for automatic rebase would be
> the strictest and safest...
>
> Benny
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