bzr fast-import/fast-export what's the importance of marks file when dealing with multiple branches

[John Arbash Meinel]

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...
> 
> Sounds like what I thought it might be. Although some testing with 
> exporting from bzr to git seems to suggest that git doesn't need to use 
> to same marks file to correctly associate common revisions, or it might 
> just be luck with what I've tested.
> 
> Possibly something to do with how the sha-1's are calculated for each 
> commit which means that git is managing to work out the history 
> correctly anyway. Anyway I'll go poke the git devs on that. Thanks for 
> the quick answer.
> 

In git, identity is determined entirely by content. So if you export 2
revisions that generate identical tree content and commit information,
then they will be the same revision in git. That isn't true for bzr.

John
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