Sparkle

Updating libraries within an app

Asked by jay_eagle

Hopefully I am not repeating an already solved question...as I've searched through the kb.

Is it possible to update an individual library? I am calling various libraries that are linked in with my app, but they frequently need to be updated independent of the app itself. Is this possible or would a full app update be required?

Thanks.

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Andy Matuschak (andymatuschak) said : 		#1

This isn't quite as easy to do as everything else. You can use a .pkg to update the library, or you can write a custom SUInstaller subclass.

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jay_eagle (jason-eagle) said : 		#2

I think I should have been more specific...

So this is the structure that I am inquiring about:

TestApplication.app/Contents/Framework/libTestApiLib.dylib

TestApplication.app is a normal app but we have some libraries that we want to update independent of the entire application.

If I have a new TestApplication.dmg file where the only difference between the current version and the new version is an updated dylib file, will sparkle know that an update is required? And if so, will it just update the diff (i.e. the new dylib file) and leave everything else the same?

Hopefully this question was more clear/verbose.

Thanks,
Jason

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Andy Matuschak (andymatuschak) said : 		#3

Presently, Sparkle won't know what to do with a dmg with just the changed dylib. But that feature is actually implemented and will be coming in the future.

In the meantime, you'd have to use a custom SUInstaller to apply that update.

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