Re: Rerunning wc log files

Philip Martin <philip@codematters.co.uk> writes:

> I added the
> following patch to cause log files to get run twice during normal use
> and it turns out that lots of log files cannot be rerun,

The new schedule replace stuff is particularly nasty, a wc-to-wc copy
generates log files that do:

<mv
   dest=".svn/text-base/foo.svn-revert"
   name=".svn/text-base/foo.svn-base"/>
...
<mv
   dest=".svn/text-base/foo.svn-base"
   name=".svn/tmp/text-base/foo.svn-base"/>

This moves the original text-base from .svn-base to .svn-revert and
then installs a new text-base to replace the original. If this log
file gets interrupted after that second move, then rerunning it will
cause the new text-base to overwrite the original one stored as
.svn-revert and the working copy is broken.

That's horrible, and I don't see any easy way to fix it. I don't
think it can be done using the existing log file primitives, I think
it needs a new log file operation that takes all three names and does
both moves.

-- 
Philip Martin
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