Use match instead of BASH_REMATCH when using zsh (#897)

* Use match instead of BASH_REMATCH when using zsh

* Replace "conditional expression" with if-else

Author: Oliver Weiler

src/main/bash/sdkman-current.sh

@@ -57,7 +57,11 @@ function __sdkman_determine_current_version() {
 	present=$(__sdkman_path_contains "${SDKMAN_CANDIDATES_DIR}/${candidate}")
 	if [[ "$present" == 'true' ]]; then
 		if [[ $PATH =~ ${SDKMAN_CANDIDATES_DIR}/${candidate}/([^/]+)/bin ]]; then
-			CURRENT=${BASH_REMATCH[1]}
+			if [[ "$zsh_shell" == "true" ]]; then
+				CURRENT=${match[1]}
+			else
+				CURRENT=${BASH_REMATCH[1]}
+			fi
 		fi
 
 		if [[ "$CURRENT" == "current" ]]; then

src/main/bash/sdkman-use.sh

@@ -38,7 +38,15 @@ function __sdk_use() {
 	__sdkman_set_candidate_home "$candidate" "$version"
 
 	if [[ $PATH =~ ${SDKMAN_CANDIDATES_DIR}/${candidate}/([^/]+) ]]; then
-		export PATH=${PATH//${SDKMAN_CANDIDATES_DIR}\/${candidate}\/${BASH_REMATCH[1]}/${SDKMAN_CANDIDATES_DIR}\/${candidate}\/${version}}
+		local matched_version
+
+		if [[ "$zsh_shell" == "true" ]]; then
+			matched_version=${match[1]}
+		else
+			matched_version=${BASH_REMATCH[1]}
+		fi
+
+		export PATH=${PATH//${SDKMAN_CANDIDATES_DIR}\/${candidate}\/${matched_version}/${SDKMAN_CANDIDATES_DIR}\/${candidate}\/${version}}
 	fi
 
 	if [[ ! (-L "${SDKMAN_CANDIDATES_DIR}/${candidate}/current" || -d "${SDKMAN_CANDIDATES_DIR}/${candidate}/current") ]]; then