feat(mvn): support using `mvnw` in multi-module projects (#9413)

plugins/mvn/mvn.plugin.zsh

-# Calls ./mvnw if found, otherwise execute the original mvn
+# Calls mvnw if found in the current project, otherwise execute the original mvn
 mvn-or-mvnw() {
-	if [ -x ./mvnw ]; then
-		echo "executing mvnw instead of mvn"
-		./mvnw "$@"
-	else
-		command mvn "$@"
+  local dir="$PWD"
+  while [[ ! -x "$dir/mvnw" && "$dir" != / ]]; do
+    dir="${dir:h}"
+  done
+
+  if [[ -x "$dir/mvnw" ]]; then
+    echo "Running \`$dir/mvnw\`..." >&2
+    "$dir/mvnw" "$@"
+    return $?
   fi
+
+  command mvn "$@"
 }
 
 # Wrapper function for Maven's mvn command. Based on https://gist.github.com/1027800
@@ -17,6 +23,7 @@ mvn-color() {
   local TEXT_BLUE=$(echoti setaf 4)
   local TEXT_WHITE=$(echoti setaf 7)
   local RESET_FORMATTING=$(echoti sgr0)
+
   (
     # Filter mvn output using sed. Before filtering set the locale to C, so invalid characters won't break some sed implementations
     unset LANG
@@ -33,7 +40,7 @@ mvn-color() {
   )
 }
 
-# either use orignal mvn or the mvn wrapper
+# either use original mvn or the mvn wrapper
 alias mvn="mvn-or-mvnw"
 
 # Run mvn against the pom found in a project's root directory (assumes a git repo)