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I'm running a Debian testing system with some packages installed from unstable or experimental, using apt pinning.

How can I list all packages that come from unstable or experimental? I'd like to use apt, but I have aptitude and synaptic installed as well.

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The easiest way I found so far relies on the apt-show-version package: apt-show-version | grep /unstable or apt-show-version | grep /experimental. – enricoferrero May 31 '13 at 11:08
up vote 7 down vote accepted

One option is to install apt-show-versions. For example, to find packages installed from unstable:

$ apt-show-versions | grep unstable

Also, the following script might be of interest: http://www.debianuserforums.org/viewtopic.php?f=8&t=1512

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Appears the link died. – Jeff Burdges Jun 12 '15 at 9:32

Using aptitude you can do:

$ aptitude versions \
> '~VCURRENT (~Aunstable|~Aexperimental) !~Atesting' --group-by=none

This will list all packages whose currently installed version (~VCURRENT) comes from the unstable or experimental archives (~A) and are not present in the testing archive (!~A). The --group-by=none option serves to produce a more terse output.

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For some reason, that doesn't work for me. It gives me a huge list of packages which are most definitely not from unstable or experimental. The apt-show-version method above gives me the correct output. Can somebody else confirm? – enricoferrero May 31 '13 at 17:05
    
Sorry, updated the answer, now should work properly. – toro2k May 31 '13 at 21:03
    
Yes, now it works! – enricoferrero May 31 '13 at 22:02

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