Don't backup more data than necessary

src/freedombone-app-gnusocial

         GNUSOCIAL_DOMAIN_NAME=$(get_completion_param "gnusocial domain")
     fi
 
+    # don't backup more data than we need to
+    gnusocial-expire-posts
+
     source_directory=/var/www/${GNUSOCIAL_DOMAIN_NAME}/htdocs/backup
     if [ ! -d $source_directory ]; then
         mkdir $source_directory
         GNUSOCIAL_DOMAIN_NAME=$(get_completion_param "gnusocial domain")
     fi
 
+    # don't backup more data than we need to
+    gnusocial-expire-posts
+
     source_directory=/var/www/${GNUSOCIAL_DOMAIN_NAME}/htdocs/backup
     if [ ! -d $source_directory ]; then
         mkdir $source_directory

src/freedombone-app-postactiv

         POSTACTIV_DOMAIN_NAME=$(get_completion_param "postactiv domain")
     fi
 
+    # don't backup more data than we need to
+    postactiv-expire-posts
+
     source_directory=/var/www/${POSTACTIV_DOMAIN_NAME}/htdocs/backup
     if [ ! -d $source_directory ]; then
         mkdir $source_directory
         POSTACTIV_DOMAIN_NAME=$(get_completion_param "postactiv domain")
     fi
 
+    # don't backup more data than we need to
+    postactiv-expire-posts
+
     source_directory=/var/www/${POSTACTIV_DOMAIN_NAME}/htdocs/backup
     if [ ! -d $source_directory ]; then
         mkdir $source_directory