Adapt mvnw.cmd to also honour MVNW_VERBOSE

maven-wrapper/mvnw.cmd

@@ -37,7 +37,7 @@
 @echo off
 @REM set title of command window
 title %0
-@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
 @if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
 
 @REM set %HOME% to equivalent of $HOME
@@ -128,14 +128,18 @@ FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-
 @REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
 @REM This allows using the maven wrapper in projects that prohibit checking in binary data.
 if exist %WRAPPER_JAR% (
-    echo Found %WRAPPER_JAR%
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
 ) else (
-	if not "%MVNW_REPOURL%" == "" (
-	  SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.3/maven-wrapper-0.5.3.jar"
-	)
-    echo Couldn't find %WRAPPER_JAR%, downloading it ...
-	echo Downloading from: %DOWNLOAD_URL%
-	
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.3/maven-wrapper-0.5.3.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
     powershell -Command "&{"^
 		"$webclient = new-object System.Net.WebClient;"^
 		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
@@ -143,7 +147,9 @@ if exist %WRAPPER_JAR% (
 		"}"^
 		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
 		"}"
-    echo Finished downloading %WRAPPER_JAR%
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
 )
 @REM End of extension