How to make a deb install only when the dependency is installed, or the conflicting packages aren't?

Posted by adam on Ask Ubuntu See other posts from Ask Ubuntu or by adam
Published on 2011-11-28T10:00:33Z Indexed on 2011/11/28 10:41 UTC
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Filed under:

apt

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dpkg

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iphone

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iPad

I'm making a package for Cydia, but since it uses APT/dpkg, I thought I'd ask this question here.

I want my package to only install if gsc.wildcat (represents an iPad) is installed, or if gsc.front-facing-camera (represents an iPhone 4/4S) is not installed. This setup would let the package only install on the 3GS or an iPad, but there's no package that represents a 3GS that I know of. It also requires iOS 5 (firmware (>= 5.0)). Here's an excerpt from my control file:

Depends: gsc.wildcat, firmware (>= 5.0)
Conflicts: gsc.front-facing-camera

How can I do this with only Depends/Conflicts?

(Please note that this question is about dpkg and not Cydia.)

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