On Saturday, 4 May 2013 23:28:21 UTC+1, Thomas Ferris Nicolaisen wrote:

> On Friday, May 3, 2013 11:16:26 AM UTC+2, Geoff Ballinger wrote:
>> Is there anything I can do about this or do we have to accept this as 
>> part of the cost of moving to git?
> The short answer is yes. At least, that's what I experienced when doing 
> similar experiments with git-svn: You can't trace history across 
> repositories. This would probably require some smarter tool that would be 
> able to trace content by file-path, following SVN moves through history.

Yes - have come to the same conclusion after much digging.

The basic issue is that all of the import tools I have come across share 
the same implicit assumption that the SVN copy operation is just used for 
branching or forking - while in reality it is often used in a much more 
fine grain way to move/share files (along with their history) between 
projects. I guess this comes down to the fairly large philosophical 
differences between the two systems.

> In some cases, it is possible to stitch history together from separate 
> git-svn clones using git grafts. Not sure if this will work in your case, 
> but here's a simple example: 
> http://blog.tfnico.com/2010/10/gitsvn-6-grafting-together-svn-history.html

For the larger macro-scale operations e.g. forks manually grafting history 
together makes sense - but for the file-by-file situation it isn't really 
practical. Would be hard pressed to track them all down for a start!

To properly fix the problem it would require the import tool to fully 
explore the full SVN history for each individual file in the repo/root 
being converted to gather all the relevant commits and then synthesise 
an equivalent set of git commits,


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