How to migrate project from RCS to git? (SOLVED)

Posted by Norman Ramsey on Stack Overflow See other posts from Stack Overflow or by Norman Ramsey
Published on 2009-10-25T02:01:08Z Indexed on 2010/04/15 4:33 UTC
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rcs

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cvs

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migration

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conversion

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git

I have a 20-year-old project that I would like to migrate from RCS to git, without losing the history. All web pages suggest that the One True Path is through CVS. But after an hour of Googling and trying different scripts, I have yet to find anything that successfully converts my RCS project tree to CVS. I'm hoping the good people at Stackoverflow will know what actually works, as opposed to what is claimed to work and doesn't.

(I searched Stackoverflow using both the native SO search and a Google search, but if there's a helpful answer in the database, I missed it.)

UPDATE: The rcs-fast-export tool at http://git.oblomov.eu/rcs-fast-export was repaired on 14 April 2009, and this version seems to work for me. This tool converts straight to git with no intermediate CVS. Thanks Giuseppe and Jakub!!!

Things that did not work that I still remember:

The rcs-to-cvs script that ships in the contrib directory of the CVS sources
The rcs-fast-export tool at http://git.oblomov.eu/rcs-fast-export in versions before 13 April 2010
The rcs2cvs script found in a document called "CVS-RCS- HOW-TO Document for Linux"

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