Fix inadvertent closing of System.out when printing configuration

base/src/main/java/proguard/ConfigurationWriter.java

@@ -50,6 +50,7 @@ public class ConfigurationWriter implements AutoCloseable
 
 
     private final PrintWriter writer;
+    private       File        configurationFile;
     private       File        baseDir;
 
 
@@ -60,6 +61,7 @@ public ConfigurationWriter(File configurationFile) throws IOException
     {
         this(PrintWriterUtil.createPrintWriterOut(configurationFile));
 
+        this.configurationFile = configurationFile;
         baseDir = configurationFile.getParentFile();
     }
 
@@ -79,7 +81,7 @@ public ConfigurationWriter(PrintWriter writer) throws IOException
     @Override
     public void close() throws IOException
     {
-        PrintWriterUtil.closePrintWriter(baseDir, writer);
+        PrintWriterUtil.closePrintWriter(configurationFile, writer);
     }
 
 

base/src/main/java/proguard/ProGuard.java

@@ -48,7 +48,6 @@
 import proguard.util.ConstantMatcher;
 import proguard.util.ListParser;
 import proguard.util.NameParser;
-import proguard.util.PrintWriterUtil;
 import proguard.util.StringMatcher;
 import proguard.util.kotlin.KotlinUnsupportedVersionChecker;
 import proguard.util.kotlin.asserter.KotlinMetadataVerifier;
@@ -297,9 +296,7 @@ private boolean requiresKotlinMetadata()
      */
     private void printConfiguration() throws IOException
     {
-        PrintWriter pw = PrintWriterUtil.createPrintWriterOut(configuration.printConfiguration);
-
-        try (ConfigurationWriter configurationWriter = new ConfigurationWriter(pw))
+        try (ConfigurationWriter configurationWriter = new ConfigurationWriter(configuration.printConfiguration))
         {
             configurationWriter.write(configuration);
         }

docs/md/manual/releasenotes.md

@@ -1,3 +1,9 @@
+## Version 7.4.1
+
+### Bugfixes
+
+- Fix inadvertent closing of System.out when printing configuration. (#365)
+
 ## Version 7.4
 
 ### Java support