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See CopyMergeCases for use cases |
So there are probably a couple steps:
- get manifests
- eliminate unchanged files
- detect non-overlapped files (files not in both manifests)
- put all "new" files in a "post" list
- go through each remaining file, attempt a merge
- if, while merging, we discover no common ancestor, we've hit a rename. Add the file to the post list
- once we have the post list (and have merged all non-renamed/copied files) we can find all the rename links
- find ancestors across renames
- do a second pass of 3-way merging
- the big open question is do we always want to merge-across-copy or do we want to prompt? (my suspicion is always.)
- there's a directory rename detection heuristic that's needed here as well and can be done during the overlap detection
See CopyMergeCases for use cases