Fix gnusocial for onion-only installs

src/freedombone

 MICROBLOG_ADMIN_PASSWORD=
 MICROBLOG_THEME_REPO="https://git.gnu.io/h2p/Qvitter.git"
 MICROBLOG_THEME_COMMIT='2816507545bb7e3da5b0a290692576b8d2ee335f'
-MICROBLOG_WELCOME_MESSAGE=$'<h1>Welcome to $MICROBLOG_DOMAIN_NAME – a federated microblog</h1><p>Another Freedombone site</p>'
+MICROBLOG_WELCOME_MESSAGE=$'<h1>Welcome to GNU Social – a federated microblog</h1><p>Another Freedombone site</p>'
 MICROBLOG_BACKGROUND_IMAGE_URL=
 MICROBLOG_MARKDOWN_REPO="https://github.com/chimo/gs-markdown"
 MICROBLOG_MARKDOWN_COMMIT='184801fba1418548045242f4a55d55c29f6a06da'
         gnu_social_ssl='never'
     fi
 
+    MICROBLOG_ONION_HOSTNAME=$(add_onion_service microblog 80 ${MICROBLOG_ONION_PORT})
+
+    MICROBLOG_SERVER=${MICROBLOG_DOMAIN_NAME}
+    if [[ $ONION_ONLY != 'no' ]]; then
+        MICROBLOG_SERVER=${MICROBLOG_ONION_HOSTNAME}
+    fi
+
     # Create the configuration
     gnu_social_installer=/var/www/${MICROBLOG_DOMAIN_NAME}/htdocs/scripts/install_cli.php
     if [ ! -f $gnu_social_installer ]; then
         echo $'No GNU Social commandline installer found'
         exit 53026
     fi
-    ${gnu_social_installer} --server "${MICROBLOG_DOMAIN_NAME}" \
+    ${gnu_social_installer} --server "${MICROBLOG_SERVER}" \
                             --host="localhost" --database="gnusocial" \
                             --dbtype=mysql --username="root" -v \
                             --password="$MARIADB_PASSWORD" \
-                            --sitename="${MICROBLOG_DOMAIN_NAME}" --fancy='yes' \
+                            --sitename=$"GNU Social" --fancy='yes' \
                             --admin-nick="$MY_USERNAME" \
                             --admin-pass="$MICROBLOG_ADMIN_PASSWORD" \
                             --site-profile="community" \
     # This improves performance
     sed -i "s|//\$config\['db'\]\['schemacheck'\].*|\$config\['db'\]\['schemacheck'\] = 'script';|g" $microblog_config_file
 
-    MICROBLOG_ONION_HOSTNAME=$(add_onion_service microblog 80 ${MICROBLOG_ONION_PORT})
-
     systemctl restart php5-fpm
     systemctl restart nginx