Improve output for zsh

Author: Oliver Weiler

src/main/bash/sdkman-completion.sh

@@ -27,9 +27,7 @@ function __sdk_completion() {
 			__sdkman_completion_zsh
 			;;
 		*)
-			__sdkman_echo_red "No shell provided."
-
-			return 1
+			__sdkman_echo_red "No shell provided." && return 1
 	esac
 }
 
@@ -77,5 +75,5 @@ function __sdkman_completion_bash() {
 }
 
 function __sdkman_completion_zsh() {
-	__sdkman_echo_red "zsh is not supported yet!"
+	__sdkman_echo_yellow "zsh is not supported yet!"
 }

src/main/bash/sdkman-main.sh

@@ -118,7 +118,7 @@ function sdk() {
 
 	# Check whether the candidate exists
 	local sdkman_valid_candidate=$(echo ${SDKMAN_CANDIDATES[@]} | grep -w "$QUALIFIER")
-	if [[ -n "$QUALIFIER" && "$COMMAND" != "offline" && "$COMMAND" != "flush" && "$COMMAND" != "selfupdate" && "$COMMAND" != "env" && -z "$sdkman_valid_candidate" ]]; then
+	if [[ -n "$QUALIFIER" && "$COMMAND" != "offline" && "$COMMAND" != "flush" && "$COMMAND" != "selfupdate" && "$COMMAND" != "env" && "$COMMAND" != "completion" && -z "$sdkman_valid_candidate" ]]; then
 		echo ""
 		__sdkman_echo_red "Stop! $QUALIFIER is not a valid candidate."
 		return 1