[Aptitude-devel] Bug#812444: aptitude: REQUEST: operator to version order test in "aptitude search" query syntax.
gavenkoa at gmail.com
Wed Feb 3 23:40:19 UTC 2016
On 2016-02-03, Manuel A. Fernandez Montecelo wrote:
> I think that indeed the way to get this list of newer packages Kali than
> in Debian is using ?upgradable, if pinning of the repositories (man
> apt_preferences) is done correctly and if Kali's versions indeed show
> higher numbers than Debian. Is this not working properly?
I know about pinning solution. Just keep text short.
This require modifying system files in order to make desired query.
Doing so in chroot environments after debootstrap also looks complicated.
> Another way to get such a list would be to produce a list of packages
> and versions of both Kali an Debian, and post-process it using "dpkg
I think that "python-apt" is better way to do such task because parsing output
$ aptitude versions '...'
$ apt-cache policy '...'
isn't pleasure. But I haven't worked with "python-apt".
> In general, I don't know if the requested operator is very useful,
> because aptitude and apt have different concept of how the system should
> work, based on apt pinning. Packages in Debian experimental or unstable
> might have bigger version numbers than the ones in testing or stable,
> but still the ones in testing and stable used by default, because the
> user prefers to maintain most packages in the stable or testing version.
One important question when you work with mixed sources - what is the
With "?narrow(X,Y)" you get it.
But you don't know how they are different. List of newer/older packages gives
But anyway I don't know easy way to display and process list of packages with
versions. "apt-cache policy" output is not in machine readable format.
"aptitude" formatting is not so rich to show several versions for single
I was not aware about formatting issue. I don't need list of packages without
I think that request should be closed. Any advanced querying should be done
with "python-apt" or other programming interfaces.
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