Install script fixes

install.sh

@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 
-echo "Jilo-Web install script"
+echo "Jilo-Web deployment script"
+
+function install() {
 
     # enter domain
     read -p "Domain name for the web service [localhost]: " DOMAIN
@@ -65,3 +67,36 @@ chown -R www-data:www-data "$INSTALL_DIR"
     chmod -R ug+rw "$INSTALL_DIR"
 
     echo 'Install finished.'
+}
+
+
+help="Usage:
+    $0 [OPTION]
+    Options:
+        --install|-i - install Jilo-Web
+        --help|-h - show this help message
+        --version|-v - show version"
+
+version="Jilo-Web deployment script
+    version $VERSION"
+
+
+if [[ $1 ]]; then
+    case $1 in
+        -i | --install)
+            ;;
+        -h | --help)
+            echo -e "$help"
+            exit 0
+            ;;
+        -v | --version)
+            echo -e "$version"
+            exit 0
+            ;;
+        *)
+            echo "Invalid option: $1" >&2
+            echo -e "$help"
+            exit 1
+            ;;
+    esac
+fi