Re: import determinism

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On Sun, Nov 7, 2010 at 4:01 PM, Andreas Schwab <schwab@xxxxxxxxxxxxxx> wrote:
> The committer info in every commit will be the same as the author info,
> so the repository conversion is completely deterministic.

For cvsimport, it is not deterministic. Given cvs'
ambiguous/buggy/inconsistent internal semantics around some
operations, cvsps makes educated guesses about what happened.

Later commits can affect those educated guesses.

IIRC, this affects the exact tree at the birth of a branch, and files
added on a branch (instead of on HEAD).

If you use cvsimport in 'incremental' runs you won't have this
problem. Whatever it decided to do, sticks.

I haven't worked in detail with Keith Packard's parsecvs but I assume
it has similar issues.

hth,


m
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