ext Graham Cobb <g+...@cobb.uk.net> writes:
> Hmm. Are there some objective criteria for what should go in opt?
Not really. The proposed tool, maemo-optify, has a hard-coded, builtin
heuristic to select which files to move. It is supposed to be a
fire-and-forget action: you add a simple call to maemo-optify to
debian/rules, and the heuristic does the right thing.
The current heuristic moves files that are larger than 2 kiB, and
directories that are larger than 2 kiB and are named like the package.
This is the output for ecoach, for example:
$ maemo-optify-deb ecoach_1.53beta3_i386.deb
usr/bin/ecoach -> opt/maemo/usr/bin/ecoach
usr/share/ecoach -> opt/maemo/usr/share/ecoach
usr/share/icons/hicolor/scalable/hildon/ecoach.png -> \
opt/maemo/usr/share/icons/hicolor/scalable/hildon/ecoach.png
usr/share/pixmaps/ecoach -> opt/maemo/usr/share/pixmaps/ecoach
ecoach: optified 4 entries, saving about 546 kB.
In light of the recent discussion, the 2 kiB threshold is maybe a bit
low.
Of course, we should add some way to control the heuristic of
maemo-optify, but I think it is important that it does something
reasonably by default.
> Can anyone suggest good tools for determining how much space my
> packages will be taking up, particularly by directory (e.g. I would
> like to see how much space they take up in /usr/bin, /usr/lib, etc.)?
You can extract it with
$ dpkg-deb -x package.deb
and then investigate the ./package/ directory with du, etc.
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