Dear Alois,
Alois Mahdal wrote:
> * Do we want to count dependencies? How deep (we don't want
> to count libc* 10000 times, do we)?
Possible, but might be difficult.
> * Do we want to separately address
> * `purge`able ~/.app-data?
> * /etc/app/settings?
> * /var/logs/app?
bleachbit can do some of that.
> * Or are we looking for more sophisticated advice like "hey,
> do you know that libhuge is required only by this
> hardlyeverused-app"? ("think about upgrade costs, dude!")
Usage is only available with popcon or so.
> However, are there tools that attempt to provide this kind of
> help? Or at least answer the partial questions? Or can
> apt*/dpkg do this?
A first start might be
$ dpkg-query -W -f='${Installed-Size} ${binary:Package}\n' | sort -n
Then, you can create a little abomination as follows:
$ for i in $(dpkg-query -W -f='${Installed-Size} ${binary:Package}\n' | sort -n
| tail -n 50 | cut -d " " -f 2); do
if [ $( dpkg-query -W -f='${Status} ${binary:Package}\n' $(apt-cache
rdepends ${i}) 2>/dev/null | grep ^install | wc -l) -le 1 ]; then
printf "%s\n" "${i}";
fi;
done
which can probably be greatly improved. Nevertheless, it prints leaf
packages with large installed sizes, for example, on my system:
tesseract-ocr-fra
libwine-gecko-1.4
mysql-server-5.5
skype
linux-headers-3.7.1.a2017.2
linux-headers-3.7.1.a2017.3
opera
inkscape
linux-source-3.7
adobereader-enu
Of course, it is not quite where you want to be, but it might be a
start?
Best,
Claudius
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