added `uninstall` functionality

mediawiki.sh

@@ -10,7 +10,7 @@ cat << "EOF"
 EOF
 
 function show_help () {
-    echo "Usage: $0 [help] <install | start | stop | full-upgrade>"
+    echo "Usage: $0 [help] <install | start | stop | full-upgrade | uninstall>"
     cat << "EOF"
   Parameters:
       help: Displays this help message and exits.
@@ -23,6 +23,8 @@ function show_help () {
 
       full-upgrade: Deletes the servers and their images, maintaining the data, recreates everything from scratch and exits.
 
+      uninstall: Deletes the servers and their images, and all the data if necessary and exits.
+
 EOF
 }
 
@@ -52,6 +54,20 @@ for par in "$@"; do
             docker-compose up -d
             exit 0
             ;;
+        "uninstall")
+            docker-compose down
+            docker rmi mediawiki:1.34
+            read -p "Do you also whish to delete all the data stored in the database (requires sudo permission)? <y | n> [n]" DELETE_DATA
+            case "$DELETE_DATA" in
+                "y" | "Y")
+                    sudo rm -rf data/db/* -v ".gitignore"
+                    ;;
+                *)
+                    exit 0
+                    ;;
+            esac
+            exit 0
+            ;;
     esac
 done