From 91bb0594c012fe39230774689e7c9a3c238c7442 Mon Sep 17 00:00:00 2001
From: Noisyfox <timemanager.rick@gmail.com>
Date: Mon, 24 Jan 2022 01:07:59 +0800
Subject: [PATCH] (multi-os-engine/multi-os-engine#162) Allow duplicated
 program class

---
 src/main/java/proguard/io/ClassDataEntryWriter.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main/java/proguard/io/ClassDataEntryWriter.java b/src/main/java/proguard/io/ClassDataEntryWriter.java
index 780bcf257..c952a2324 100644
--- a/src/main/java/proguard/io/ClassDataEntryWriter.java
+++ b/src/main/java/proguard/io/ClassDataEntryWriter.java
@@ -90,7 +90,14 @@ public OutputStream createOutputStream(DataEntry dataEntry) throws IOException
                 }
 
                 // Get the output stream for this input entry.
-                OutputStream outputStream = dataEntryWriter.createOutputStream(dataEntry);
+                OutputStream outputStream;
+                try {
+                    // MOE: allow duplicated program class
+                    outputStream = dataEntryWriter.createOutputStream(dataEntry);
+                } catch (IOException ex) {
+                    System.err.println("Warning: can't write class [" + dataEntry.getName() + "] (" + ex.getMessage() + ")");
+                    outputStream = null;
+                }
                 if (outputStream != null)
                 {
                     // Write the class to the output stream.