How do I escape a subversion keyword?

[darxus]

I'm working on some software (spamassassin) that uses the subversion
keyword "$LastChangedDate$".  In the same file that it's used, I want that
string to appear unmodified - not expanded by subversion, exactly as
"$LastChangedDate$" instead of something like "$LastChangedDate: 2010-03-30
08:02:18 -0400 (Tue, 30 Mar 2010) $"

Because I want to check for a case where svn keywords aren't getting
expanded.

Something like (perl):

  if ('$LastChangedDate$' eq '$LastChangedDate$')

But with one of them getting expanded, and the other not.

I think it would work to do something like:

  if ('$LastChangedDate$' eq '$LastChan'.'gedDate$')

But I'd prefer to escape the keyword instead.

Maybe something like \$LastChangedDate$ ?


The reason is that the Ubuntu daily build system on launchpad.net doesn't
support subversion keyword expansion:
https://bugs.launchpad.net/launchpad/+bug/780916

SpamAssassin bug:
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6605

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Re: How do I escape a subversion keyword?

[darxus]

On 05/27, Bob Archer wrote:
> I'm confused about what you are asking. Are you saying you don't want
> subversion to expand the keywords? If so, then remove them from the
> svn:keywords property. Any keywords not in the property are not expanded.

I want the expanded keyword, and the *un-expanded* keyword to both exist in
the same file.

So after expansion, it would look like:

  if ('$LastChangedDate$' eq '$LastChangedDate: 2010-03-30 08:02:18 -0400 (Tue, 
30 Mar 2010) $')

And when expansion doesn't happen (with launchpad build recipes), it'll
look like:

  if ('$LastChangedDate$' eq '$LastChangedDate$')

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