zoneminder/distros/ubuntu1204/zoneminder.preinst

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#!/bin/sh
set -e
## Remove obsolete symlink which is in the way of dh_apache2:
ol="/etc/apache2/conf-available/zoneminder.conf"
if [ -h "${ol}" ]; then
[ "$(readlink ${ol})" = "/etc/zm/apache.conf" ] && rm -f "${ol}"
fi
abort=false
if [ -h /usr/share/zoneminder/www/events ]; then
l=$(readlink /usr/share/zoneminder/www/events)
if [ "$l" != "/var/cache/zoneminder/events" ]; then
abort=true
fi
fi
if [ -h /usr/share/zoneminder/www/images ]; then
l=$(readlink /usr/share/zoneminder/www/images )
if [ "$l" != "/var/cache/zoneminder/images" ]; then
abort=true
fi
fi
if [ "$abort" = "true" ]; then
cat >&2 << EOF
Aborting installation of zoneminder due to non-default symlinks in
/usr/share/zoneminder for the images and/or events directory, which could
result in loss of data. Please move your data in each of these directories to
/var/cache/zoneminder before installing zoneminder from the package.
EOF
exit 1
fi
#DEBHELPER#