[Zack Weinberg]
> I don't know how to do this; can you point me at instructions?
I can point to you an example. In the latest upload of the lprng
package, I added code like this before the #DEBHELPER# marker to
detect the incorrect setup and remove the broken configuration (before
the correct one is inserted in the #DEBHELPER# block.
# Those using dependency based boot sequencing with sysv-rc and installing
# lprng before version 3.8.A-2.2 would miss the runlevel 4 symlink.
# Recover from this.
if [ "$1" = "configure" ] && dpkg --compare-versions "$2" le "3.8.A-2.2" \
&& [ -f /etc/rc2.d/[SK][0-9][0-9]lprng ] && [ -f
/etc/rc4.d/K[0-9][0-9]lprng ]
then
update-rc.d -f lprng remove
fi
Happy hacking,
--
Petter Reinholdtsen
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