#!/usr/bin/env bash

#
#   Copyright 2017 Marco Vermeulen
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#

function __sdk_completion() {
	# dummy function is no longer used
	# remains to honour 'source <(sdk completion $SHELL)'
	echo ""
}

#!/usr/bin/env bash

#
#   Copyright 2017 Marco Vermeulen
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#

function __sdk_completion() {
	local -r shell="$1"

	case "$shell" in
		bash)
			cat "${SDKMAN_DIR}/contrib/completion/bash/sdk"
			;;
		zsh)
			cat "${SDKMAN_DIR}/contrib/completion/zsh/sdk"
			;;
		*)
			__sdkman_echo_red "No shell provided." 1>&2
			;;
	esac
}

--- 
+++ 
@@ -17,7 +17,17 @@
 #
 
 function __sdk_completion() {
-	# dummy function is no longer used
-	# remains to honour 'source <(sdk completion $SHELL)'
-	echo ""
+	local -r shell="$1"
+
+	case "$shell" in
+		bash)
+			cat "${SDKMAN_DIR}/contrib/completion/bash/sdk"
+			;;
+		zsh)
+			cat "${SDKMAN_DIR}/contrib/completion/zsh/sdk"
+			;;
+		*)
+			__sdkman_echo_red "No shell provided." 1>&2
+			;;
+	esac
 }
Make completion command a dummy function.

This is to honour those who have:
`source <(sdk completion xxx)`
in their profile.
