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> From: discuss-bounces+blu=nedharvey.com at blu.org [mailto:discuss- > bounces+blu=nedharvey.com at blu.org] On Behalf Of Matt Shields > > What I was wondering is it possible in Subversion when a changeset is > being committed that a hook could be used to change the mime-type. So if > the file being committed is a *.sql, then it would override whatever > mime-type the client is saying and apply text/x-sql. This question will be best answered by the subversion-users mailing list, http://subversion.apache.org/mailing-lists.html but let's see what we can say about it here. The mime type, I believe, is determined by the svn client, and it's determined by file contents. What do you get, if you run linux "file" on the file? What do you see if you try to open the file in vim or emacs? I'm sure you can change the mime-type as a precommit or postcommit hook (probably best precommit) but I'm almost equally sure that it's not what you want to do. When they detect the contents and select a mime type, the reason they're doing it is because svn internally employs all sorts of diff and compression algorithms, to optimize both the network traffic and disk storage. If you go overriding the mime types against its natural wishes, you run the risk of ... Suboptimizing performance. Is probably the diplomatic way of saying effing everything up. Another option you might consider, I believe, is that they have a mechanism of some kind to allow you to inject a custom client-side diff utility for certain files or mime types or something like that. You might configure it so that your client doing the diff might run something like the SQL equivalent of "dos2unix" to convert a file format and then diff it, or something like that. Of course the odds of success doing this are diminished by trac. You might just have to use something like tortoisesvn or whatever to perform these diffs. In fact, tortoisesvn does some pretty excellent diffing. What happens if you try diffing with tortoise?
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