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[OSXPackageBuilder.git] / pkg content skeleton / DEBIAN / preinstall

diff --git a/pkg content skeleton/DEBIAN/preinstall b/pkg content skeleton/DEBIAN/preinstall
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+#!/bin/sh
+
+# File        :  preinstall
+#
+# Purpose     :  execute all tasks necessary prior to installation of 
+#                Privoxy's files
+#
+# Copyright   :  Written by and Copyright (C) 2001-2013 the
+#                Privoxy team. http://www.privoxy.org/
+#
+#                This program is free software; you can redistribute it
+#                and/or modify it under the terms of the GNU General
+#                Public License as published by the Free Software
+#                Foundation; either version 2 of the License, or (at
+#                your option) any later version.
+#
+#                This program is distributed in the hope that it will
+#                be useful, but WITHOUT ANY WARRANTY; without even the
+#                implied warranty of MERCHANTABILITY or FITNESS FOR A
+#                PARTICULAR PURPOSE.  See the GNU General Public
+#                License for more details.
+#
+#                The GNU General Public License should be included with
+#                this file.  If not, you can view it at
+#                http://www.gnu.org/copyleft/gpl.html
+#                or write to the Free Software Foundation, Inc.,
+#                51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+#                USA
+#
+# Modification : If you modify this file please consider whether your 
+#                changes ought to be passed back to the iOSPackageBuilder
+#                module.
+#
+
+#  This preinstall script:
+#  1. Shuts down Privoxy if it's running
+#  2. Backs up any existing log & configuration files
+
+# create installation log file
+logfile='/var/privoxy_installation.log'
+echo 'Privoxy installation on' `/bin/date` > ${logfile}
+
+# 1. Stop the Privoxy service if it's running
+#
+echo 'Stopping Privoxy via LaunchDaemon.' >> ${logfile}
+/bin/launchctl unload /Library/LaunchDaemons/org.ijbswa.privoxy.plist >> ${logfile} 2>&1
+
+# 2. Back up any existing log & configuration files
+#
+if [ -f /var/log/privoxy/logfile.log ]; then
+       echo 'Backing up existing logfile' >> ${logfile}
+  /bin/cp /var/log/privoxy/logfile.log /var/log/privoxy/logfile.old >> ${logfile} 2>&1
+       /usr/sbin/chown privoxy:privoxy /var/log/privoxy/logfile.old >> ${logfile} 2>&1
+fi
+if [ -d /usr/local/etc/privoxy ]; then
+       for i in config match-all.action trust user.action user.filter; do
+               echo 'Backing up existing config file:' ${i} >> ${logfile}
+               if [ -f /usr/local/etc/privoxy/$i ]; then
+                       /bin/cp /usr/local/etc/privoxy/$i /usr/local/etc/privoxy/$i.old >> ${logfile} 2>&1
+                       /usr/sbin/chown privoxy:privoxy /usr/local/etc/privoxy/$i.old >> ${logfile} 2>&1
+               fi
+       done
+       echo 'Backing up existing config templates' >> ${logfile}
+       /bin/cp -R /usr/local/etc/privoxy/templates /usr/local/etc/privoxy/templates.old >> ${logfile} 2>&1
+       /usr/sbin/chown -R privoxy:privoxy /usr/local/etc/privoxy/templates.old >> ${logfile} 2>&1
+fi
+
+exit 0