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Triggers on file patterns (similar to bug #553266)



Hello developers,

In current dpkg releases, it is possible to add triggers by expressing an interest in a directory. Whenever a file is installed or modified in that directory, the PostInst script is called and a trigger is able to run. This makes it possible, for example, to be triggered whenever a file is installed in /usr/lib, so a script can go through all the files there and, for example, run some actions on every *.la file found.

However, this is quite impractical if all you're interested in are those *.la files. You don't only go through all of /usr/lib (including subdirectories) for almost nothing, but also you have a problem whenever suddenly a .la file is installed in, say, /opt/foo/lib. Therefore, it would be cool if it were possible to add triggers on file name patterns, like "*.la". This is similar to what bug #553266[0] proposes; it doesn't want to look at everything in /usr/lib when it is just interested in files matching "*.so.*".

My questions: Have you thought about something like this? What do you think about it now? Would you accept patches implementing this functionality?

Thanks,
Sjors

[0] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=553266

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