[pkg-fso-maint] [patch] install.sh update swap partition, options for interactivity

[Steffen Moeller]

This works on the basis of the previously sent patch 0004, at least for me.

0005 - get swap partitions going, specify the SD_SWAP_SIZE env variable with a value > 0
0006 - adding --swap-size option with a numerical value that is interpreted as megabytes
and some other options for testing purposes. seems to work. What was before a big case
statement has now become a series of independent functions. The script no longer calls
itself but decides to call which functions. With vfat as the first partition, I no longer
mount it to /boot by default since the kernel cannot be installed with dpkg anyway.

The patch 0006 became too large. I apologize for it. The changes are dumb, so I feel
rather save, but there are plenty. In my view, the script profits considerably from the
now avoided recursion. To help the readability of the patch, I have not indented the code
in the functions. I'd ask for Luca or Joachim to do proceed with it, once they had a
change to review what I have done ... hoping for the patch to be accepted in the first place.

I am attaching the two patches and the script as a whole, I hope you don't mind.

Best,

Steffen (who could not be reached on his mobile today)
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