[maemo-developers] Ovi Store disk space requirements miscalculations

[From: Sascha Mäkelä]

Hi
Martin,

I've had my fair struggle with the QA (and still am), but I found the best
way is to write an email to Ovi Publisher Support and refer to the app and
file revision in question. I would basically copy and paste what you wrote
here to them.

Cheers,

Sascha

On Wed, Jul 21, 2010 at 15:31, Martin Storsjö <martin at martin.st> wrote:

> Hi,
>
> I just got my initial Maemo Ovi Store application rejected in QA, and I'd
> like discuss the measurements used in the disk space usage requirement.
>
> The part of the report is this:
>
> ISSUE #1 SUMMARY:
> OPT folder is not 80% more than that of USR folder.
>
> PRECONDITION:
> N/A.
>
> STEPS:
> 1. Open Xterminal, cd MyDocs.
> 2. cp <packagename> /home/user/.
> 3. cd /home/user/.
> 4. mkdir <packagename>-install.
> 5. dpkg -x ./<packagename> <packagename>-install.
> 6. cd <packagename>-install.
> 7. ls.
>
> EXPECTED OUTCOME:
> OPT folder value should be 80% of USR folder.
>
> ACTUAL OUTCOME:
> Opt folder value is not 80% of usr folder ,usr=84,opt=388k.
> FREQUENCY OF OCCURRENCE:.
> Always.
>
>
> If I do those steps (but do 'du' instead of 'ls' in step 7), I get the
> following:
>
> 376     ./opt/maemo/usr/bin
> 380     ./opt/maemo/usr
> 384     ./opt/maemo
> 388     ./opt
> 4       ./usr/sbin
> 4       ./usr/bin
> 8       ./usr/share/icons/hicolor/64x64/apps
> 12      ./usr/share/icons/hicolor/64x64
> 8       ./usr/share/icons/hicolor/26x26/apps
> 12      ./usr/share/icons/hicolor/26x26
> 8       ./usr/share/icons/hicolor/40x40/apps
> 12      ./usr/share/icons/hicolor/40x40
> 40      ./usr/share/icons/hicolor
> 44      ./usr/share/icons
> 8       ./usr/share/doc/<appname>
> 12      ./usr/share/doc
> 8       ./usr/share/applications/hildon
> 12      ./usr/share/applications
> 72      ./usr/share
> 84      ./usr
> 476     .
>
> According to this, my app is wasting 84 KB of space on /usr. Let's see
> what it _really_ does. In practice, it installs three icons in
> /usr/share/icons, 751, 1075 and 1570 bytes in size, one 24 byte copyright
> file in /usr/share/doc/<appname>, and a 181 .desktop file in
> /usr/share/applications.
>
> Since this is done on /home which is ext3, every directory consumes 4 KB,
> too. In practice, if I'd install the package, all those directories
> (except the /usr/share/doc/<appname> dir) would exist already, so no disk
> space would be consumed for them.
>
> Optifying them would only help a little - symlinks seem to count as 0
> bytes in this listing, but the number of directories would still add up to
> way too much.
>
> If I try extracting it to e.g. /root instead of /home/user, I get these
> numbers instead:
>
> 368     ./opt/maemo/usr/bin
> 368     ./opt/maemo/usr
> 368     ./opt/maemo
> 368     ./opt
> 0       ./usr/bin
> 0       ./usr/sbin
> 4       ./usr/share/doc/<appname>
> 4       ./usr/share/doc
> 4       ./usr/share/applications/hildon
> 4       ./usr/share/applications
> 4       ./usr/share/icons/hicolor/26x26/apps
> 4       ./usr/share/icons/hicolor/26x26
> 4       ./usr/share/icons/hicolor/40x40/apps
> 4       ./usr/share/icons/hicolor/40x40
> 4       ./usr/share/icons/hicolor/64x64/apps
> 4       ./usr/share/icons/hicolor/64x64
> 12      ./usr/share/icons/hicolor
> 12      ./usr/share/icons
> 20      ./usr/share
> 20      ./usr
> 388     .
>
> On this file system, directories themselves don't seem to add up to the
> total, and my application would pass the test.
>
> So, what's the proper way of dealing with all this nonsense? Should I stop
> shipping properly sized icons with my app? Or just stuff in a 1 MB "data"
> file (read from /dev/urandom) under /opt to make the percentages right?
>
> Also, is there any idea in trying to discuss these issues in Ovi Publish
> by commenting back? On Ovi/Symbian things, I've never ever seen a reviewer
> actually take my comments in account, so I don't think anybody ever reads
> the comments the submitter writes.
>
> // Martin
> _______________________________________________
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> maemo-developers at maemo.org
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>
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