From e6c808600d1069d0dd968e5b94533c5f29443d09 Mon Sep 17 00:00:00 2001
From: Matthias Sohn <matthias.sohn@sap.com>
Date: Thu, 21 Sep 2023 12:22:24 +0200
Subject: [PATCH] [errorprone] MyersDiff#main: fix CatchAndPrintStackTrace

Use a PrintWriter similarly like Main#run of org.eclipse.jgit.pgm does.

See https://errorprone.info/bugpattern/CatchAndPrintStackTrace

Change-Id: I8ee34da53d94ddb72b73ae86bfebc3b7f0a3dc04
---
 .../src/org/eclipse/jgit/diff/MyersDiff.java       | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java
index cf6826ab9..45c7b4a47 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java
@@ -11,6 +11,10 @@
 
 package org.eclipse.jgit.diff;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
 import java.text.MessageFormat;
 
 import org.eclipse.jgit.errors.DiffInterruptedException;
@@ -531,7 +535,7 @@ final boolean meets(int d, int k, int x, long snake) {
 	 */
 	public static void main(String[] args) {
 		if (args.length != 2) {
-			System.err.println(JGitText.get().need2Arguments);
+			err().println(JGitText.get().need2Arguments);
 			System.exit(1);
 		}
 		try {
@@ -540,7 +544,13 @@ public static void main(String[] args) {
 			EditList r = INSTANCE.diff(RawTextComparator.DEFAULT, a, b);
 			System.out.println(r.toString());
 		} catch (Exception e) {
-			e.printStackTrace();
+			PrintWriter err = err();
+			err.println(e.getMessage());
+			e.printStackTrace(err);
 		}
 	}
+
+	private static PrintWriter err() {
+		return new PrintWriter(new OutputStreamWriter(System.err, UTF_8));
+	}
 }