From 6e5a277efcb9add0d66ea01a1c8100a3a41dd338 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Bauer?= <abauer@magix.net>
Date: Sun, 12 Feb 2017 12:52:10 +0100
Subject: [PATCH] - some rework on packaer.io postinstall - added backup
 restore script

---
 contrib/backup/functions           | 148 ++++++++++---
 contrib/backup/zammad_backup.sh    |   4 +-
 contrib/backup/zammad_restore.sh   |  35 ++++
 contrib/packager.io/functions      | 324 +++++++++++++++--------------
 contrib/packager.io/postinstall.sh |  20 +-
 5 files changed, 329 insertions(+), 202 deletions(-)
 create mode 100755 contrib/backup/zammad_restore.sh

diff --git a/contrib/backup/functions b/contrib/backup/functions
index 840c837b9..6e8aaae8d 100644
--- a/contrib/backup/functions
+++ b/contrib/backup/functions
@@ -4,55 +4,143 @@
 #
 
 function get_backup_date () {
-    TIMESTAMP="$(date +'%Y%m%d%H%M%S')"
+  TIMESTAMP="$(date +'%Y%m%d%H%M%S')"
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "timestamp is ${TIMESTAMP}"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "timestamp is ${TIMESTAMP}"
+  fi
 }
 
 function delete_old_backups () {
-    test -d ${BACKUP_DIR} && find ${BACKUP_DIR}/*_zammad_*.gz -type f -mtime +${HOLD_DAYS} -exec rm -r \;
+  test -d ${BACKUP_DIR} && find ${BACKUP_DIR}/*_zammad_*.gz -type f -mtime +${HOLD_DAYS} -exec rm -r \;
 }
 
 function get_db_credentials () {
-    DB_ADAPTER="$(grep 'adapter:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*adapter:\(\| \)//g')"
-    DB_NAME="$(grep 'database:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*database:\(\| \) //g')"
-    DB_USER="$(grep 'username:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*username:\(\| \)//g')"
-    DB_PASS="$(grep 'password:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*password:\(\| \)//g')"
+  DB_ADAPTER="$(grep 'adapter:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*adapter:\(\| \)//g')"
+  DB_NAME="$(grep 'database:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*database:\(\| \) //g')"
+  DB_USER="$(grep 'username:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*username:\(\| \)//g')"
+  DB_PASS="$(grep 'password:' < ${ZAMMAD_DIR}/${DATABASE_CONFIG} | sed -e 's/.*password:\(\| \)//g')"
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "adapter=${DB_ADAPTER} dbname=${DB_NAME} dbuser=${DB_USER} dbpass=${DB_PASS}"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "adapter=${DB_ADAPTER} dbname=${DB_NAME} dbuser=${DB_USER} dbpass=${DB_PASS}"
+  fi
 }
 
 function backup_dir_create () {
-    test -d ${BACKUP_DIR} || mkdir -p ${BACKUP_DIR}
+  test -d ${BACKUP_DIR} || mkdir -p ${BACKUP_DIR}
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "backup dir is ${BACKUP_DIR}"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "backup dir is ${BACKUP_DIR}"
+  fi
 }
 
 function backup_files () {
-    tar -czf ${BACKUP_DIR}/${TIMESTAMP}_zammad_files.tar.gz ${ZAMMAD_DIR}
+  tar -czf ${BACKUP_DIR}/${TIMESTAMP}_zammad_files.tar.gz ${ZAMMAD_DIR}
 }
 
 function backup_db () {
-    if [ "${DB_ADAPTER}" == "mysql2" ]; then
-	mysqldump --opt --single-transaction -u${DB_USER} -p${DB_PASS} ${DB_NAME} | gzip > ${BACKUP_DIR}/${TIMESTAMP}_zammad_db.mysql.gz
-    elif [ "${DB_ADAPTER}" == "postgresql" ]; then
-	su -c "pg_dump ${DB_NAME} | gzip > ${BACKUP_DIR}/${TIMESTAMP}_zammad_db.psql.gz" postgres
-    else
-	echo "ADAPTER not found. if its sqlite backup is already saved in filebackup"
-    fi
+  if [ "${DB_ADAPTER}" == "mysql2" ]; then
+    mysqldump --opt --single-transaction -u${DB_USER} -p${DB_PASS} ${DB_NAME} | gzip > ${BACKUP_DIR}/${TIMESTAMP}_zammad_db.mysql.gz
+  elif [ "${DB_ADAPTER}" == "postgresql" ]; then
+    su -c "pg_dump ${DB_NAME} | gzip > ${BACKUP_DIR}/${TIMESTAMP}_zammad_db.psql.gz" postgres
+  else
+    echo "ADAPTER not found. if its sqlite backup is already saved in filebackup"
+  fi
 }
 
 function check_database_config_exists () {
-    if [ -f ${ZAMMAD_DIR}/${DATABASE_CONFIG} ]; then
-	get_db_credentials
-    else
-	echo "${ZAMMAD_DIR}/${DATABASE_CONFIG} is missing. is zammad configured yet?"
-	exit 1
-    fi
+  if [ -f ${ZAMMAD_DIR}/${DATABASE_CONFIG} ]; then
+    get_db_credentials
+  else
+    echo "${ZAMMAD_DIR}/${DATABASE_CONFIG} is missing. is zammad configured yet?"
+    exit 1
+  fi
+}
+
+function restore_warning () {
+  echo -e "The restore will delete your current config and database!\nBe sure to have a backup available!\n"
+  echo -e "Enter 'yes' if you want to proceed!"
+  read -s CHOOSE_RESTORE
+
+  if [ "${CHOOSE_RESTORE}" != "yes" ]; then
+    echo "Restore aborted!"
+    exit 1
+  fi
+}
+
+function get_restore_dates () {
+  RESTORE_FILE_DATES="$(find ${BACKUP_DIR} -type f -iname '*_zammad_files.tar.gz' | sed -e "s#${BACKUP_DIR}/##g" -e "s#_zammad_files.tar.gz##g")"
+
+  if [ "${ADAPTER}" == "postgresql" ]; then
+    DB_FILE_EXT="psql"
+  elif [ "${ADAPTER}" == "mysql2" ]; then
+    DB_FILE_EXT="mysql"
+  fi
+
+  RESTORE_DB_DATES="$(find ${BACKUP_DIR} -type f -iname "*_zammad_db.${DB_FILE_EXT}.gz" | sed -e "s#${BACKUP_DIR}/##g" -e "s#_zammad_db.${DB_FILE_EXT}.gz##g")"
+}
+
+function choose_restore_date () {
+  echo "Enter file date to restore: ${RESTORE_FILE_DATES}"
+  read -s RESTORE_FILE_DATE
+  if [ ! -f "${BACKUP_DIR}/${RESTORE_FILE_DATE}_zammad_files.tar.gz" ];then
+    echo "File ${BACKUP_DIR}/${RESTORE_FILE_DATE}_zammad_files.tar.gz does not exist!\nRestore aborted!"
+    exit 1
+  fi
+
+  echo "Enter db date to restore: ${RESTORE_DB_DATES}"
+  read -s RESTORE_DB_DATE
+  if [ ! -f "${BACKUP_DIR}/${RESTORE_DB_DATE}_zammad_db.${DB_FILE_EXT}.gz" ];then
+    echo "File ${BACKUP_DIR}/${RESTORE_DB_DATE}_zammad_files.tar.gz does not exist!\nRestore aborted!"
+    exit 1
+  fi
+}
+
+function detect_initcmd () {
+  if [ -n "$(which systemctl 2> /dev/null)" ]; then
+    INIT_CMD="systemctl"
+  elif [ -n "$(which initctl 2> /dev/null)" ]; then
+    INIT_CMD="initctl"
+  else
+    function sysvinit () {
+      service $2 $1
+    }
+    INIT_CMD="sysvinit"
+  fi
+
+  if [ "${DOCKER}" == "yes" ]; then
+    INIT_CMD="initctl"
+  fi
+
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "INIT CMD = ${INIT_CMD}"
+  fi
+}
+
+function start_zammad () {
+  echo "# Starting Zammad"
+  ${INIT_CMD} start zammad
+}
+
+function stop_zammad () {
+  echo "# Stopping Zammad"
+  ${INIT_CMD} stop zammad
+}
+
+function delete_current_files () {
+  test -d ${ZAMMAD_DIR} && rm -rf ${ZAMMAD_DIR}
+}
+
+function restore_zammad () {
+  tar -C / -xzf ${BACKUP_DIR}/${RESTORE_FILE_DATE}_zammad_files.tar.gz
+
+  if [ "${ADAPTER}" == "postgresql" ]; then
+    gunzip ${BACKUP_DIR}/${RESTORE_DB_DATE}_zammad_db.${DB_FILE_EXT}.gz | pg_restore -c ${DB_NAME}
+  elif [ "${ADAPTER}" == "mysql2" ]; then
+    gunzip ${BACKUP_DIR}/${RESTORE_DB_DATE}_zammad_db.${DB_FILE_EXT}.gz | mysql -u${DB_USER} -p${DB_PASS} ${DB_NAME}
+  fi
+}
+
+function restore_message () {
+    echo "Zammad restored!"
 }
diff --git a/contrib/backup/zammad_backup.sh b/contrib/backup/zammad_backup.sh
index ac1c9ce0d..22858b10a 100755
--- a/contrib/backup/zammad_backup.sh
+++ b/contrib/backup/zammad_backup.sh
@@ -12,10 +12,10 @@ PATH=/sbin:/bin:/usr/sbin:/usr/bin:
 . functions
 
 # exec backup
-delete_old_backups
-
 check_database_config_exists
 
+delete_old_backups
+
 get_backup_date
 
 backup_dir_create
diff --git a/contrib/backup/zammad_restore.sh b/contrib/backup/zammad_restore.sh
new file mode 100755
index 000000000..26a1bcbee
--- /dev/null
+++ b/contrib/backup/zammad_restore.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+#
+# zammad restore script
+#
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:
+
+# import config
+. config
+
+# import functions
+. functions
+
+# exec restore
+restore_warning
+
+check_database_config_exists
+
+get_db_credentials
+
+get_restore_dates
+
+choose_restore_date
+
+detect_initcmd
+
+stop_zammad
+
+delete_current_files
+
+restore_zammad
+
+start_zammad
+
+restore_message
diff --git a/contrib/packager.io/functions b/contrib/packager.io/functions
index 8e8080286..13dc23f76 100644
--- a/contrib/packager.io/functions
+++ b/contrib/packager.io/functions
@@ -4,227 +4,247 @@
 #
 
 function debug() {
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "DEBUG MODE ON"
-	set -ex
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "DEBUG MODE ON"
+    set -ex
+  fi
 }
 
 function detect_os () {
-    . /etc/os-release
+  . /etc/os-release
 
-    if [ "${ID}" == "debian" ] || [ "${ID}" == "ubuntu" ]; then
-	OS="DEBIAN"
-    elif [ "${ID}" == "centos" ] || [ "${ID}" == "fedora" ] || [ "${ID}" == "rhel" ]; then
-	OS="REDHAT"
-    elif [ "${ID}" == "opensuse" ] || [ "${ID}" == "sles" ] || [ "${ID}" == "suse" ]; then
-	OS="SUSE"
-    else
-	OS="UNKNOWN"
-    fi
+  if [ "${ID}" == "debian" ] || [ "${ID}" == "ubuntu" ]; then
+    OS="DEBIAN"
+  elif [ "${ID}" == "centos" ] || [ "${ID}" == "fedora" ] || [ "${ID}" == "rhel" ]; then
+    OS="REDHAT"
+  elif [ "${ID}" == "opensuse" ] || [ "${ID}" == "sles" ] || [ "${ID}" == "suse" ]; then
+    OS="SUSE"
+  else
+    OS="UNKNOWN"
+  fi
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "OS is ${OS} based"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "OS is ${OS} based"
+  fi
 }
 
 function detect_docker() {
-    if [ -n "$(grep docker < /proc/1/cgroup)" ]; then
-	DOCKER="yes"
-    else 
-	DOCKER="no"
-    fi
+  if [ -n "$(grep docker < /proc/1/cgroup)" ]; then
+    DOCKER="yes"
+  else
+    DOCKER="no"
+  fi
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "os runs in docker container = ${DOCKER}"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "os runs in docker container = ${DOCKER}"
+  fi
 }
 
 function detect_initcmd () {
-    if [ -n "$(which systemctl 2> /dev/null)" ]; then
-	INIT_CMD="systemctl"
-    elif [ -n "$(which initctl 2> /dev/null)" ]; then
-	INIT_CMD="initctl"
-    else
-	function sysvinit () {
-	    service $2 $1
-	}
-	INIT_CMD="sysvinit"
-    fi
+  if [ -n "$(which systemctl 2> /dev/null)" ]; then
+    INIT_CMD="systemctl"
+  elif [ -n "$(which initctl 2> /dev/null)" ]; then
+    INIT_CMD="initctl"
+  else
+    function sysvinit () {
+      service $2 $1
+    }
+    INIT_CMD="sysvinit"
+  fi
 
-    if [ "${DOCKER}" == "yes" ]; then
-	INIT_CMD="initctl"
-    fi
+  if [ "${DOCKER}" == "yes" ]; then
+    INIT_CMD="initctl"
+  fi
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "INIT CMD = ${INIT_CMD}"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "INIT CMD = ${INIT_CMD}"
+  fi
 }
 
 
 function detect_database () {
-    if [ -n "$(which psql 2> /dev/null)" ]; then
-	ADAPTER="postgresql"
-    elif [ -n "$(which mysql 2> /dev/null)" ]; then
-	ADAPTER="mysql2"
-    fi
+  if [ -n "$(which psql 2> /dev/null)" ]; then
+    ADAPTER="postgresql"
+  elif [ -n "$(which mysql 2> /dev/null)" ]; then
+    ADAPTER="mysql2"
+  fi
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "Use ${ADAPTER} adapter in database.yml"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "Use ${ADAPTER} adapter in database.yml"
+  fi
 }
 
 function detect_webserver () {
-    if [ -n "$(which nginx 2> /dev/null)" ] ; then
-	WEBSERVER="nginx"
-	WEBSERVER_CMD="nginx"
-	if [ "${OS}" == "DEBIAN" ]; then
-	    WEBSERVER_CONF="/etc/nginx/sites-enabled/zammad.conf"
-	elif [ "${OS}" == "REDHAT" ]; then
-	    WEBSERVER_CONF="/etc/nginx/conf.d/zammad.conf"
-	elif [ "${OS}" == "SUSE" ]; then
-	    WEBSERVER_CONF="/etc/nginx/vhosts.d/zammad.conf"
-	fi
-    elif [ -n "$(which apache2 2> /dev/null)" ]; then
-	WEBSERVER="apache2"
-	WEBSERVER_CMD="apache2"
-	if [ "${OS}" == "DEBIAN" ]; then
-	    WEBSERVER_CONF="/etc/apache2/sites-enabled/zammad.conf"
-	fi
-    elif [ -n "$(which httpd 2> /dev/null)" ]; then
-	WEBSERVER="apache2"
-	WEBSERVER_CMD="httpd"
-	if [ "${OS}" == "REDHAT" ]; then
-	    WEBSERVER_CONF="/etc/httpd/conf.d/zammad.conf"
-	elif [ "${OS}" == "SUSE" ]; then
-	    WEBSERVER_CONF="/etc/apache2/vhosts.d/zammad.conf"
-	fi
+  if [ -n "$(which nginx 2> /dev/null)" ] ; then
+    WEBSERVER="nginx"
+    WEBSERVER_CMD="nginx"
+    if [ "${OS}" == "DEBIAN" ]; then
+      WEBSERVER_CONF="/etc/nginx/sites-enabled/zammad.conf"
+    elif [ "${OS}" == "REDHAT" ]; then
+      WEBSERVER_CONF="/etc/nginx/conf.d/zammad.conf"
+    elif [ "${OS}" == "SUSE" ]; then
+      WEBSERVER_CONF="/etc/nginx/vhosts.d/zammad.conf"
     fi
+  elif [ -n "$(which apache2 2> /dev/null)" ]; then
+    WEBSERVER="apache2"
+    WEBSERVER_CMD="apache2"
+    if [ "${OS}" == "DEBIAN" ]; then
+      WEBSERVER_CONF="/etc/apache2/sites-enabled/zammad.conf"
+    fi
+  elif [ -n "$(which httpd 2> /dev/null)" ]; then
+    WEBSERVER="apache2"
+    WEBSERVER_CMD="httpd"
+    if [ "${OS}" == "REDHAT" ]; then
+      WEBSERVER_CONF="/etc/httpd/conf.d/zammad.conf"
+    elif [ "${OS}" == "SUSE" ]; then
+      WEBSERVER_CONF="/etc/apache2/vhosts.d/zammad.conf"
+    fi
+  fi
 
-    if [ "${DEBUG}" == "yes" ]; then
-	echo "Webserver is ${WEBSERVER_CMD}"
-    fi
+  if [ "${DEBUG}" == "yes" ]; then
+    echo "Webserver is ${WEBSERVER_CMD}"
+  fi
 }
 
 function create_initscripts () {
-    echo "# (Re)creating init scripts"
-    zammad scale web=${ZAMMAD_WEBS} websocket=${ZAMMAD_WEBSOCKETS} worker=${ZAMMAD_WORKERS}
+  echo "# (Re)creating init scripts"
+  zammad scale web=${ZAMMAD_WEBS} websocket=${ZAMMAD_WEBSOCKETS} worker=${ZAMMAD_WORKERS}
 
-    echo "# Enabling Zammad on boot"
-    ${INIT_CMD} enable zammad
+  echo "# Enabling Zammad on boot"
+  ${INIT_CMD} enable zammad
 }
 
 function start_zammad () {
-    echo "# Starting Zammad"
-    ${INIT_CMD} start zammad
+  echo "# Starting Zammad"
+  ${INIT_CMD} start zammad
 }
 
 function stop_zammad () {
-    echo "# Stopping Zammad"
-    ${INIT_CMD} stop zammad
+  echo "# Stopping Zammad"
+  ${INIT_CMD} stop zammad
 }
 
 function create_database_password () {
-    DB_PASS="$(tr -dc A-Za-z0-9 < /dev/urandom | head -c10)"
+  DB_PASS="$(tr -dc A-Za-z0-9 < /dev/urandom | head -c10)"
 }
 
 function create_postgresql_db () {
-    if [ -n "$(which postgresql-setup 2> /dev/null)" ]; then
-        echo "# Preparing postgresql server"
-        postgresql-setup initdb
-    fi
+  if [ -n "$(which postgresql-setup 2> /dev/null)" ]; then
+    echo "# Preparing postgresql server"
+    postgresql-setup initdb
+  fi
 
-    echo "# Creating postgresql bootstart"
-    ${INIT_CMD} enable postgresql.service
+  echo "# Creating postgresql bootstart"
+  ${INIT_CMD} enable postgresql.service
 
-    echo "# Restarting postgresql server"
-    ${INIT_CMD} restart postgresql
+  echo "# Restarting postgresql server"
+  ${INIT_CMD} restart postgresql
 
-    echo "# Creating zammad postgresql db"
-    su - postgres -c "createdb -E UTF8 ${DB}"
+  echo "# Creating zammad postgresql db"
+  su - postgres -c "createdb -E UTF8 ${DB}"
 
-    echo "# Creating zammad postgresql user"
-    echo "CREATE USER \"${DB_USER}\" WITH PASSWORD '${DB_PASS}';" | su - postgres -c psql 
+  echo "# Creating zammad postgresql user"
+  echo "CREATE USER \"${DB_USER}\" WITH PASSWORD '${DB_PASS}';" | su - postgres -c psql
 
-    echo "# Grant privileges to new postgresql user"
-    echo "GRANT ALL PRIVILEGES ON DATABASE \"${DB}\" TO \"${DB_USER}\";" | su - postgres -c psql
+  echo "# Grant privileges to new postgresql user"
+  echo "GRANT ALL PRIVILEGES ON DATABASE \"${DB}\" TO \"${DB_USER}\";" | su - postgres -c psql
 }
 
 function create_mysql_db () {
-    if [ -f "${MY_CNF}" ]; then
-    	MYSQL_CREDENTIALS="--defaults-file=${MY_CNF}"
-    else
-	echo -n "Please enter your MySQL root password:"
-        read -s MYSQL_ROOT_PASS
-        MYSQL_CREDENTIALS="-u root -p${MYSQL_ROOT_PASS}"
-    fi
+  if [ -f "${MY_CNF}" ]; then
+    MYSQL_CREDENTIALS="--defaults-file=${MY_CNF}"
+  else
+    echo -n "Please enter your MySQL root password:"
+    read -s MYSQL_ROOT_PASS
+    MYSQL_CREDENTIALS="-u root -p${MYSQL_ROOT_PASS}"
+  fi
 
-    echo "# Creating zammad mysql db"
-    mysql ${MYSQL_CREDENTIALS} -e "CREATE DATABASE ${DB} DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;"
+  echo "# Creating zammad mysql db"
+  mysql ${MYSQL_CREDENTIALS} -e "CREATE DATABASE ${DB} DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;"
 
-    echo "# Creating zammad mysql user"
-    mysql ${MYSQL_CREDENTIALS} -e "CREATE USER \"${DB_USER}\"@\"${DB_HOST}\" IDENTIFIED BY \"${DB_PASS}\";"
+  echo "# Creating zammad mysql user"
+  mysql ${MYSQL_CREDENTIALS} -e "CREATE USER \"${DB_USER}\"@\"${DB_HOST}\" IDENTIFIED BY \"${DB_PASS}\";"
 
-    echo "# Grant privileges to new mysql user"
-    mysql ${MYSQL_CREDENTIALS} -e "GRANT ALL PRIVILEGES ON ${DB}.* TO \"${DB_USER}\"@\"${DB_HOST}\"; FLUSH PRIVILEGES;"
+  echo "# Grant privileges to new mysql user"
+  mysql ${MYSQL_CREDENTIALS} -e "GRANT ALL PRIVILEGES ON ${DB}.* TO \"${DB_USER}\"@\"${DB_HOST}\"; FLUSH PRIVILEGES;"
 }
 
 function update_database_yml () {
-    if [ "${OS}" == "REDHAT" ] || [ "${OS}" == "SUSE" ]; then
-	if [ "${ADAPTER}" == "postgresql" ]; then
-	    DB_PASS=""
-	fi
+  if [ "${OS}" == "REDHAT" ] || [ "${OS}" == "SUSE" ]; then
+    if [ "${ADAPTER}" == "postgresql" ]; then
+      DB_PASS=""
     fi
+  fi
 
-    echo "# Updating database.yml"
-    sed -e "s/.*adapter:.*/  adapter: ${ADAPTER}/" \
-	-e "s/.*username:.*/  username: ${DB_USER}/" \
-        -e "s/.*password:.*/  password: ${DB_PASS}/" \
-        -e "s/.*database:.*/  database: ${DB}/" < ${ZAMMAD_DIR}/config/database.yml.pkgr > ${ZAMMAD_DIR}/config/database.yml
+  echo "# Updating database.yml"
+  sed -e "s/.*adapter:.*/  adapter: ${ADAPTER}/" \
+    -e "s/.*username:.*/  username: ${DB_USER}/" \
+    -e "s/.*password:.*/  password: ${DB_PASS}/" \
+    -e "s/.*database:.*/  database: ${DB}/" < ${ZAMMAD_DIR}/config/database.yml.pkgr > ${ZAMMAD_DIR}/config/database.yml
 }
 
 function initialise_database () {
-    zammad run rake db:migrate
-    zammad run rake db:seed
+  zammad run rake db:migrate
+  zammad run rake db:seed
 }
 
 function update_database () {
-    echo "# database.yml found. Updating db..."
-    zammad run rake db:migrate
+  echo "# database.yml found. Updating db..."
+  zammad run rake db:migrate
 }
 
 function create_webserver_config () {
-    if [ "${OS}" == "DEBIAN" ]; then
-	test -f /etc/${WEBSERVER}/sites-available/zammad.conf || cp ${ZAMMAD_DIR}/contrib/${WEBSERVER}/zammad.conf /etc/${WEBSERVER}/sites-available/zammad.conf
-	test -h ${WEBSERVER_CONF} || ln -s /etc/${WEBSERVER}/sites-available/zammad.conf ${WEBSERVER_CONF}
-	if [ "${WEBSERVER}" == "apache2" ]; then
-	    a2enmod proxy
-	    a2enmod proxy_http
-	    a2enmod proxy_wstunnel
-	fi
-    else
-	test -f ${WEBSERVER_CONF} || cp ${ZAMMAD_DIR}/contrib/${WEBSERVER}/zammad.conf ${WEBSERVER_CONF}
+  if [ "${OS}" == "DEBIAN" ]; then
+    test -f /etc/${WEBSERVER}/sites-available/zammad.conf || cp ${ZAMMAD_DIR}/contrib/${WEBSERVER}/zammad.conf /etc/${WEBSERVER}/sites-available/zammad.conf
+    test -h ${WEBSERVER_CONF} || ln -s /etc/${WEBSERVER}/sites-available/zammad.conf ${WEBSERVER_CONF}
+    if [ "${WEBSERVER}" == "apache2" ]; then
+      a2enmod proxy
+      a2enmod proxy_http
+      a2enmod proxy_wstunnel
+    fi
+  else
+    test -f ${WEBSERVER_CONF} || cp ${ZAMMAD_DIR}/contrib/${WEBSERVER}/zammad.conf ${WEBSERVER_CONF}
+  fi
+
+  echo "# Creating webserver bootstart"
+  ${INIT_CMD} enable ${WEBSERVER_CMD}
+
+  echo "# Restarting webserver ${WEBSERVER_CMD}"
+  ${INIT_CMD} restart ${WEBSERVER_CMD}
+}
+
+function update_or_install () {
+  if [ -f ${ZAMMAD_DIR}/config/database.yml ]; then
+    update_database
+  else
+    create_database_password
+
+    if [ "${ADAPTER}" == "postgresql" ]; then
+      echo "# Installing zammad on postgresql"
+      create_postgresql_db
+    elif [ "${ADAPTER}" == "mysql2" ]; then
+      echo "# Installing zammad on mysql"
+      create_mysql_db
     fi
 
-    echo "# Creating webserver bootstart"
-    ${INIT_CMD} enable ${WEBSERVER_CMD}
+    update_database_yml
 
-    echo "# Restarting webserver ${WEBSERVER_CMD}"
-    ${INIT_CMD} restart ${WEBSERVER_CMD}
+    initialise_database
+  fi
 }
 
 function final_message () {
-    echo -e "####################################################################################"
-    echo -e "\nAdd your FQDN to servername directive in ${WEBSERVER_CONF}"
-    echo -e "and restart your webserver if you're not testing locally"
-    echo -e "or open http://localhost/ in your browser to start using Zammad.\n"
-    if [ "${OS}" == "REDHAT" ]; then
-	echo -e "\n Remember to enable selinux and firewall rules!\n"
-	echo -e "Use the follwing commands:"
-	echo -e "	setsebool httpd_can_network_connect on -P"
-	echo -e "	firewall-cmd --zone=public --add-service=http --permanent"
-	echo -e "	firewall-cmd --zone=public --add-service=https --permanent"
-	echo -e "	firewall-cmd --reload\n"
-    fi
-    echo -e "####################################################################################"
+  echo -e "####################################################################################"
+  echo -e "\nAdd your FQDN to servername directive in ${WEBSERVER_CONF}"
+  echo -e "and restart your webserver if you're not testing locally"
+  echo -e "or open http://localhost/ in your browser to start using Zammad.\n"
+  if [ "${OS}" == "REDHAT" ]; then
+    echo -e "\n Remember to enable selinux and firewall rules!\n"
+    echo -e "Use the follwing commands:"
+    echo -e "	setsebool httpd_can_network_connect on -P"
+    echo -e "	firewall-cmd --zone=public --add-service=http --permanent"
+    echo -e "	firewall-cmd --zone=public --add-service=https --permanent"
+    echo -e "	firewall-cmd --reload\n"
+  fi
+  echo -e "####################################################################################"
 }
diff --git a/contrib/packager.io/postinstall.sh b/contrib/packager.io/postinstall.sh
index 96b3a2324..1aea49a3e 100755
--- a/contrib/packager.io/postinstall.sh
+++ b/contrib/packager.io/postinstall.sh
@@ -11,6 +11,7 @@ PATH=/opt/zammad/bin:/opt/zammad/vendor/bundle/bin:/sbin:/bin:/usr/sbin:/usr/bin
 # import functions
 . /opt/zammad/contrib/packager.io/functions
 
+# exec postinstall
 debug
 
 detect_os
@@ -27,24 +28,7 @@ create_initscripts
 
 stop_zammad
 
-# check if database.yml exists
-if [ -f ${ZAMMAD_DIR}/config/database.yml ]; then
-    update_database
-else
-    create_database_password
-
-    if [ "${ADAPTER}" == "postgresql" ]; then
-	echo "# Installing zammad on postgresql"
-	create_postgresql_db
-    elif [ "${ADAPTER}" == "mysql2" ]; then
-	echo "# Installing zammad on mysql"
-	create_mysql_db
-    fi
-
-    update_database_yml
-
-    initialise_database
-fi
+update_or_install
 
 start_zammad