Comments on: Automatic SVN Revision number in source code

By: jon

jon — Tue, 30 Jun 2009 07:46:47 +0000

this won’t seem to work with any binary assets such as images.

By: KC

KC — Tue, 16 Jun 2009 19:50:44 +0000

The approach “style.css?revision_id” won’t work well as having query string like this will make the css not cachable. On the other hand, if the file name looks like “style.1234.css” where the 1234 is the rev number, it would work. Again, some sort of mod_rewrite might have to be in place to point the css file back to its original form “style.css”.

By: Juozas

Juozas — Wed, 20 May 2009 22:24:56 +0000

In my opinion, best way is to have build system, which adds version numbers where needed :) This is kind of a hack…

Currently I’m using filemtime($file) as file version – works well.

By: Ian West

Ian West — Wed, 20 May 2009 16:19:50 +0000

It seems like quite an expensive operation to do. Why not just check the modified time of the file instead and append that?

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By: Juozas

Juozas — Sun, 15 Feb 2009 17:02:23 +0000

Difference is this:
function will return different number only when you change style.css.

Numbers will not be in sequence, and can be like: 10,23,4345,etc., but still they will change ONLY when style.css is changed. This is what I what.

Yes, having version.php is usefull because you always can have all sorts of information, but you need to commit it every time. And I better choose to create a build script (phing or similar) than lie for SVN :)

By: Rob T.

Rob T. — Sun, 15 Feb 2009 16:51:55 +0000

> yep, your solutions works, but Revision number in version.php changes only when you commit it. Is it really what you want?

Why is that any different than setting the SVN revision in CSS as you posted?

Ok how about this, Version.PHP could contain the SVN rev constant as above, plus can have file or directory modification time in another.

By: Juozas

Juozas — Sun, 15 Feb 2009 16:35:13 +0000

Hi Rob,

yep, your solutions works, but… Revision number in version.php changes only when you commit it. Is it really what you want?

By: Rob T.

Rob T. — Sun, 15 Feb 2009 16:31:33 +0000

Why go to the trouble of trying to parse the revision from the CSS file, when you could just do something like

version.php
MY_VERSION = “$Rev: $”

and set the svn property on that? If any other php needs the version, version.php can be required().

Hope This Helps,
–Rob T.

By: Juozas

Juozas — Tue, 10 Feb 2009 12:10:43 +0000

Yeah, it’s a revision number for whole project, but Rev Id in style.css only updates then you commit it.

Yes, Rev Id numbers in file will not be sequential, but my solution still works: style.css?ID changes only after style.css commit ( – change).