Re: Editing author names in RCS files

[Mark D. Baushke]

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Sylvain Beucler <address@hidden> writes:

> Hello,
> 
> I would like to fix a problem that occured at Savannah. The issue is
> pretty much described here:
> http://lists.gnu.org/archive/html/savannah-hackers/2004-12/msg00061.html
> 
> and to sum up, the logged username became uid##### instead of the
> actual username, for a few days about a year ago. For example, user
> "miles" became "uid65618":
> http://savannah.gnu.org/cgi-bin/viewcvs/emacs/emacs/lisp/filecache.el
> 
> The mapping uid<->user can be found using /etc/passwd.
> 
> 
> We would like to write a script to fix these usernames. However,
> rcs(1) is not meant to do it; moreover, the various RCS parser I had a
> look at are more concerned about extracting revisions than making
> changes to the actual RCS file, when they are not beta versions.
> 
> Various web and mailing list archive searches didn't help.
> 
> What do you think is the best way to fix the RCS files? Of course,
> "manual editing" is valid, but I have the failing to expect a quicker
> way :)

Quicker? Hmmm...

   find . -name \*,v -print0 \|
   xargs -0 perl -i.bak -pane \
  's,^(date\s+[0-9.]+;\s+author\s+)uid65618;(\s+state\s\S;$),$1miles;$2,g;'

Of course, I urge you to ensure that the repository is locked or
otherwise not actively being modified when you run the script.

I would suggest performing the initial runs of the script on a snapshot
of the repository and then doing a comparison of the .bak files with
the original versions to ensure everything looks correct.

        Good luck,
        -- Mark
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