TortoiseSVN: Not picking up differences
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Have a Visual Studio 2008 project running on Windows 7 64 Pro with the following installed:

TortoiseSVN 1.7.7, Build 22907 - 64 bit

I'm recently upgraded from 1.6 to see if it would alleviate the issue we're having, but to no avail.

Anyways, the issue:

For this particular project we use CodeSmith Generator to generate our netTiers layers for our application. These files are generated to a separate directory, and only the necessary files are copied over (we don't copy all, because we don't want our partial files to be overwritten) to our working SVN copy of the project.

Once those files are copied over, we compile, test locally, and then commit to SVN when stable. This has worked fine on this project for more than a year.

Recently, one of our developers generated the code as the norm. He copied it over only to find that TortoiseSVN did not find any files changed. Odd, considering a new field was added to the database, and that usually affects quite a few files. He then did a "Diff with previous version" via the TortoiseSVN Explorer commands to confirm or deny the issue.

However, when doing a diff between the previous version and the working copy version, he found that the file has, in fact, changed. For some reason TortoiseSVN isn't seeing that the file has changed.

So, I wanted to give it my scout's best to determine if this was some isolated issue on his machine or something more. I killed my working copy, rechecked out, and tried doing the same steps. Same issue. TortoiseSVN was not picking up the changes.

Now, just as an experiment, I opened up the file and copied over the contents manually. In this case, TortoiseSVN picked up the change perfectly.

The issue with doing this manually, of course, is that it relies on the developer having to know every single file that was changed...and in addition takes a lot more time due to the sheer number of files updated.

So, we're at our wits' end here. Is this a bug? Some setting that might have been tricked? An event not firing to notify TortoiseSVN of the update? 

Thanks guys,
-Steve