zoneminder/distros/debian8/zoneminder-core.postinst

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#! /bin/sh
# postinst maintainer script for zoneminder-core package
set -e
# Source the debconf stuff
. /usr/share/debconf/confmodule
# Source the config file
CONFIGFILE=/etc/zm/zm.conf
. $CONFIGFILE
# Do this when the package is installed, upgraded or reconfigured
if [ "$1" = "configure" ] || [ "$1" = "reconfigure" ]; then
# Retrieve data from dbconfig (inputs from user)
. /etc/dbconfig-common/zoneminder.conf
# ZoneMinder config file handling
# Inspired by: http://manpages.debian.org/cgi-bin/man.cgi?query=debconf-devel&sektion=7
# Backup the config file
cp -a -f $CONFIGFILE ${CONFIGFILE}.postinst.bak
# Redeclare variables if missing in config file
test -z $dbc_dbserver || grep -Eq "^ *ZM_DB_HOST=" $CONFIGFILE \
|| echo "ZM_DB_HOST=" >> ${CONFIGFILE}.postinst.bak
test -z $dbc_dbname || grep -Eq "^ *ZM_DB_NAME=" $CONFIGFILE \
|| echo "ZM_DB_NAME=" >> ${CONFIGFILE}.postinst.bak
test -z $dbc_dbuser || grep -Eq "^ *ZM_DB_USER=" $CONFIGFILE \
|| echo "ZM_DB_USER=" >> ${CONFIGFILE}.postinst.bak
test -z $dbc_dbpass || grep -Eq "^ *ZM_DB_PASS=" $CONFIGFILE \
|| echo "ZM_DB_PASS=" >> ${CONFIGFILE}.postinst.bak
# Prevent ZM_DB_HOST to be empty if user selected the 'unix socket' method
if test -z $dbc_dbserver; then
dbc_dbserver_override="localhost"
else
dbc_dbserver_override=$dbc_dbserver
fi
# Update variables in config file
sed -i "s/^ *ZM_DB_HOST=.*/ZM_DB_HOST=$dbc_dbserver_override/" \
${CONFIGFILE}.postinst.bak
test -z $dbc_dbname || sed -i "s/^ *ZM_DB_NAME=.*/ZM_DB_NAME=$dbc_dbname/" \
${CONFIGFILE}.postinst.bak
test -z $dbc_dbuser || sed -i "s/^ *ZM_DB_USER=.*/ZM_DB_USER=$dbc_dbuser/" \
${CONFIGFILE}.postinst.bak
test -z $dbc_dbpass || sed -i "s/^ *ZM_DB_PASS=.*/ZM_DB_PASS=$dbc_dbpass/" \
${CONFIGFILE}.postinst.bak
# Clean-up backup file
mv -f ${CONFIGFILE}.postinst.bak $CONFIGFILE
# Set some file permissions
chown $ZM_WEB_USER:$ZM_WEB_GROUP /var/log/zm
if [ -z "$2" ]; then
chown $ZM_WEB_USER:$ZM_WEB_GROUP -R /var/cache/zoneminder
fi
# As requested by the Debian Webapps Policy Manual §3.2.1
chown root:${ZM_WEB_GROUP} $CONFIGFILE
chmod 640 $CONFIGFILE
fi
#DEBHELPER#
exit 0