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Old 11-15-2005, 09:42 AM   #1
J_K9
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Registered: Nov 2004
Distribution: Slackware 11, Ubuntu 6.06 LTS
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How does apt-get work out a package's dependencies?


Hi all,

As you may or may not know, I started a project called hyper-get a couple of weeks ago, but there is just a little problem I can't find a solution to (it's for Debian-based systems).

I was wondering if anybody knew how apt-get discovers a package's dependencies.
  • Does it do it using dpkg?
    If so, how does dpkg do it? Does it update a file which it then interprets (in which case I could copy this file to be used in the application)?
  • Does it discover the dependencies at the repos?
    Which means that we'd have to simulate this with hyper-get...
  • Does it discover them at another place? On the internet? On the local computer?

I would be extremely grateful if someone could let me know how it is done, so that we can begin work on this application soon.

Thanks in advance!

M.
 
Old 11-16-2005, 03:12 AM   #2
cs-cam
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Registered: May 2004
Location: Australia
Distribution: Gentoo
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man dpkg should help. I've never used Debian but in Arch, that packages are just archives with a file that contains a list of deps, a file that contains a list of files, a file that contains a description and a small script that does whatever is required to install the package. .deb's would probably be somethign similar
 
Old 12-03-2005, 02:53 PM   #3
signifer123
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Registered: Dec 2005
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solved

in case anyone runs into this again they can serach for apt-get to find out how it works, we havea naexplaination on it in the blog

h**p://hyper-get.sourceforge.net/news/?p=5#more-5

^^had to do that or it wouldn't allow the url
 
  


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