support for utf8 4byte char

etc/nc-init.sh

@@ -21,7 +21,7 @@ DBPASSWD_=ownyourbits
 
 install()
 {
-  # RE-CREATE DATABASE TABLE (workaround to emulate DROP USER IF EXISTS ..;)
+  ## RE-CREATE DATABASE TABLE (workaround to emulate DROP USER IF EXISTS ..;)
 
   echo "Setting up database..."
 
@@ -33,15 +33,17 @@ install()
 
   mysql -u root -p$DBPASSWD_ <<EOF
 DROP DATABASE IF EXISTS nextcloud;
-CREATE DATABASE nextcloud;
+CREATE DATABASE nextcloud
+    CHARACTER SET utf8mb4
+    COLLATE utf8mb4_unicode_ci;
 GRANT USAGE ON *.* TO '$DBADMIN_'@'localhost' IDENTIFIED BY '$DBPASSWD_';
 DROP USER '$DBADMIN_'@'localhost';
 CREATE USER '$DBADMIN_'@'localhost' IDENTIFIED BY '$DBPASSWD_';
 GRANT ALL PRIVILEGES ON nextcloud.* TO $DBADMIN_@localhost;
 EXIT
 EOF
 
-  # INITIALIZE NEXTCLOUD
+  ## INITIALIZE NEXTCLOUD
 
   echo "Setting up Nextcloud..."
 
@@ -50,8 +52,14 @@ EOF
     "mysql" --database-name "nextcloud"  --database-user "$DBADMIN_" --database-pass \
     "$DBPASSWD_" --admin-user "$ADMINUSER_" --admin-pass "$DBPASSWD_"
 
+  # cron jobs
   sudo -u www-data php occ background:cron
+
+  # ACPu cache
   sed -i '$i\ \ '\''memcache.local'\'' => '\''\\\\OC\\\\Memcache\\\\APCu'\'',' /var/www/nextcloud/config/config.php
+
+  # 4 Byte UTF8 support
+  sudo -u www-data php occ config:system:set mysql.utf8mb4 --type boolean --value="true"
 }
 
 configure(){ :; }

installer.sh

@@ -38,10 +38,12 @@ IMGFILE=$3              # Third argument is the image file to start from ( empty
 
 source etc/library.sh   # initializes $IMGNAME
 
+test -f $IMGNAME && { echo "INFO: $IMGNAME already exists. Skip generation ... "; exit 0; }
+
 config $INSTALL_SCRIPT || exit 1    # Initializes $INSTALLATION_CODE
 
 if [[ "$IMGFILE" != "" ]]; then
-  launch_install_qemu "$IMGFILE" $IP         || { sudo killall qemu-system-arm; exit 1; }    # initializes $IMGOUT
+  launch_install_qemu "$IMGFILE" $IP       || { sudo killall qemu-system-arm; exit 1; }    # initializes $IMGOUT
   pack_image          "$IMGOUT" "$IMGNAME" 
 else
   launch_installation_online $IP

lamp.sh

@@ -54,7 +54,7 @@ EOF
     mkdir -p /run/mysqld
     chown mysql /run/mysqld
 
-    # CONFIGURE APACHE AND PHP7
+    # CONFIGURE APACHE 
     ##########################################
 
   cat >/etc/apache2/conf-available/http2.conf <<EOF
@@ -78,6 +78,9 @@ EOF
 </IfModule>
 EOF
 
+    # CONFIGURE PHP7
+    ##########################################
+
     cat > /etc/php/7.0/mods-available/apcu.ini <<EOF
 extension=apcu.so
 apc.enable_cli=0
@@ -120,6 +123,11 @@ EOF
 
     $APTINSTALL ssl-cert # self signed snakeoil certs
 
+    # configure MariaDB ( UTF8 4 byte support )
+    sed -i '/\[mysqld\]/ainnodb_large_prefix=on'       /etc/mysql/mariadb.conf.d/50-server.cnf 
+    sed -i '/\[mysqld\]/ainnodb_file_per_table=1'      /etc/mysql/mariadb.conf.d/50-server.cnf 
+    sed -i '/\[mysqld\]/ainnodb_file_format=barracuda' /etc/mysql/mariadb.conf.d/50-server.cnf
+
     cat > /etc/apache2/sites-available/nextcloud.conf <<'EOF'
 <IfModule mod_ssl.c>
   <VirtualHost _default_:443>