Martin Langhoff <martin.langh...@gmail.com>:
> On Wed, Dec 11, 2013 at 11:26 PM, Eric S. Raymond <e...@thyrsus.com> wrote:
> > You'll have to remind me what you mean by "incremental" here. Possibly
> > it's something cvs-fast-export could support.
> User can
> - run a cvs to git import at time T, resulting in repo G
> - make commits to cvs repo
> - run cvs to git import at time T1, pointed to G, and the import tool
> will only add the new commits found in cvs between T and T1.
No, cvs-fast-export doesn't do that. However, it is fast enough that
you can probably just rebuild the whole repo each time you want to
When I did the conversion of groff recently I was getting rates of
about 150 commits a second - and it will be faster now, because I
found an expensive operation in the output stage I could optimize
Now that you have reminded me of this, I remember implementing a -i
option for cvsps-3.0 that could be combined with a time restriction
to output incremental dumps. It's likely I could do the same
thing for cvs-fast-import.
> The above examples assume that the CVS repos have used "flying fish"
> approach in the "interesting" (i.e.: recent) parts of their history.
> [ Simplifying a bit for non-CVS-geeks -- flying fish is using CVS HEAD
> for your development, plus 'feature branches' that get landed, plus
> long-lived 'stable release' branches. Most CVS projects in modern
> times use flying fish, which is a lot like what the git project uses
> in its own repo, but tuned to CVS's strengths (interesting commits
> linearized in CVS HEAD).
> Other approaches ('dovetail') tend to end up with unworkable messes
> given CVS's weaknesses. ]
That terminology -- "flying fish" and "dovetail" -- is interesting, and
I have not heard it before. It might be woth putting in the Jargon File.
Can you point me at examples of live usage?
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
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