13 Beta netinst and live image sizes are bigger than ISO header size

[Andre Robatino]

The size of any ISO file should be equal to the product of the Logical
block size and Volume size shown by

isoinfo -d -i file.iso

However, the 13 Beta netinst and live images are all bigger than they
should be.  (This is the first time I've checked, so it may have been
this way for a while.)  This will cause a checksum mismatch if an ISO is
burned to a disc and then read off to verify the checksum, since the
amount read off should always be what the ISO header indicates.  This
could be dealt with in the future by truncating these images to the
proper size (preferably by fixing whatever tool is being used to
generate them).  The DVD and install images are all the correct size.  I
also noticed that Fedora-13-Beta-source-DVD.iso is oversized (5198505984
bytes), at least for a single-layer DVD.

I suggest that this test be added to

https://fedoraproject.org/wiki/QA:Testcase_Mediakit_ISO_Size

It's an easy test, since it only requires a few seconds of download for
each ISO (wget shows the exact size immediately, and the ISO header is
only a few dozen kB).

Fedora-13-Beta-i386-netinst.iso:

actual size: 2048*126464
header size: 2048*126331

Fedora-13-Beta-x86_64-netinst.iso:

actual size: 2048*105472
header size: 2048*105394

F13-Beta-i686-Live-KDE.iso:

actual size: 2048*357376
header size: 2048*357074

F13-Beta-i686-Live.iso:

actual size: 2048*476672
header size: 2048*476382

F13-Beta-x86_64-Live-KDE.iso:

actual size: 2048*357888
header size: 2048*357736

F13-Beta-x86_64-Live.iso:

actual size: 2048*481792
header size: 2048*481321

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