Bug fix in enabler_complete function

enabler/commands/enabler_completion.sh

@@ -1,55 +1,30 @@
 _enabler_complete() {
-    local cur_word prev_word commands
+    local cur_word prev_word
 
     # Get the current and previous words
     cur_word="${COMP_WORDS[COMP_CWORD]}"
     prev_word="${COMP_WORDS[COMP_CWORD-1]}"
-    local categories="apps kind preflight platform setup version"
 
     case "$prev_word" in
         "enabler") # noqa
-            commands="$categories"
+            COMPREPLY=( $(compgen -W "apps kind preflight platform setup version" -- "$cur_word") )
             ;;
-    esac
-
-    # Initialize the variable to store previous words
-    prev_words=""
-    local apps="namespace"
-    local kind="create delete status start stop"
-    local platform="init info keys release version"
-    local setup="init metallb istio"
-
-    # Loop through previous words and concatenate them
-    for ((i=1; i<COMP_CWORD; i++)); 
-    do
-        prev_words="${prev_words}${COMP_WORDS[i]} "
-    done
-
-    # Trim any trailing whitespace
-    prev_words="${prev_words% }"
-
-    case "$prev_words" in
-        "enabler apps")
-            commands="$commands $apps"
+        "apps")
+            COMPREPLY=( $(compgen -W "namespace" -- "$cur_word") )
+            ;;
+        "platform")
+            COMPREPLY=( $(compgen -W "init info keys release version" -- "$cur_word") )
             ;;
-        "enabler kind")
-            commands="$commands $kind"
+        "kind")
+            COMPREPLY=( $(compgen -W "create delete status start stop" -- "$cur_word") )
             ;;
-        "enabler platform")
-            commands="$commands $platform"
+        "setup")
+            COMPREPLY=( $(compgen -W "init metallb istio" -- "$cur_word") )
             ;;
-        "enabler setup")
-            commands="$commands $setup"
+        *)
+            COMPREPLY=()
             ;;
     esac
-
-    echo ""
-    echo "$commands"
-
-    if [[ "$cur_word" == "$prev_word"* ]]; then
-        COMPREPLY=( $(compgen -W "$commands" -- "$cur_word") )
-    fi
 }
 
-# Register _enabler_complete to provide completion for the enabler command
 complete -F _enabler_complete enabler