From c8c5d08e1f562cf08cfcd8f0b02794f1fcac019c Mon Sep 17 00:00:00 2001
From: Guillaume Nodet <gnodet@gmail.com>
Date: Thu, 12 Nov 2020 00:28:19 +0100
Subject: [PATCH] Property to configure the default rolling window size
 (defaults to 2)

---
 .../java/org/jboss/fuse/mvnd/client/DaemonParameters.java     | 4 ++++
 .../main/java/org/jboss/fuse/mvnd/client/DefaultClient.java   | 2 +-
 .../src/main/java/org/jboss/fuse/mvnd/common/Environment.java | 4 ++++
 .../org/jboss/fuse/mvnd/common/logging/TerminalOutput.java    | 3 ++-
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/client/src/main/java/org/jboss/fuse/mvnd/client/DaemonParameters.java b/client/src/main/java/org/jboss/fuse/mvnd/client/DaemonParameters.java
index bbade749..f0050e32 100644
--- a/client/src/main/java/org/jboss/fuse/mvnd/client/DaemonParameters.java
+++ b/client/src/main/java/org/jboss/fuse/mvnd/client/DaemonParameters.java
@@ -279,6 +279,10 @@ public class DaemonParameters {
         return property(Environment.MVND_NO_BUFERING).orFail().asBoolean();
     }
 
+    public int rollingWindowSize() {
+        return property(Environment.MVND_ROLLING_WINDOW_SIZE).orFail().asInt();
+    }
+
     public static String findDefaultMultimoduleProjectDirectory(Path pwd) {
         Path dir = pwd;
         do {
diff --git a/client/src/main/java/org/jboss/fuse/mvnd/client/DefaultClient.java b/client/src/main/java/org/jboss/fuse/mvnd/client/DefaultClient.java
index 97efd64f..f49c7bd1 100644
--- a/client/src/main/java/org/jboss/fuse/mvnd/client/DefaultClient.java
+++ b/client/src/main/java/org/jboss/fuse/mvnd/client/DefaultClient.java
@@ -63,7 +63,7 @@ public class DefaultClient implements Client {
         }
 
         DaemonParameters parameters = new DaemonParameters();
-        try (TerminalOutput output = new TerminalOutput(parameters.noBuffering(), logFile)) {
+        try (TerminalOutput output = new TerminalOutput(parameters.noBuffering(), parameters.rollingWindowSize(), logFile)) {
             try {
                 new DefaultClient(parameters).execute(output, args);
             } catch (DaemonException.InterruptedException e) {
diff --git a/common/src/main/java/org/jboss/fuse/mvnd/common/Environment.java b/common/src/main/java/org/jboss/fuse/mvnd/common/Environment.java
index a8aebd69..51b67315 100644
--- a/common/src/main/java/org/jboss/fuse/mvnd/common/Environment.java
+++ b/common/src/main/java/org/jboss/fuse/mvnd/common/Environment.java
@@ -64,6 +64,10 @@ public enum Environment {
      * display.
      */
     MVND_NO_BUFERING("mvnd.noBuffering", null, "false", false),
+    /**
+     * The size of the rolling window
+     */
+    MVND_ROLLING_WINDOW_SIZE("mvnd.rollingWindowSize", null, "2", false),
     /**
      * The path to the daemon registry
      */
diff --git a/common/src/main/java/org/jboss/fuse/mvnd/common/logging/TerminalOutput.java b/common/src/main/java/org/jboss/fuse/mvnd/common/logging/TerminalOutput.java
index 4d9df2de..a8a29aa9 100644
--- a/common/src/main/java/org/jboss/fuse/mvnd/common/logging/TerminalOutput.java
+++ b/common/src/main/java/org/jboss/fuse/mvnd/common/logging/TerminalOutput.java
@@ -107,11 +107,12 @@ public class TerminalOutput implements ClientOutput {
         }
     }
 
-    public TerminalOutput(boolean noBuffering, Path logFile) throws IOException {
+    public TerminalOutput(boolean noBuffering, int rollingWindowSize, Path logFile) throws IOException {
         this.start = System.currentTimeMillis();
         this.terminal = TerminalBuilder.terminal();
         this.dumb = terminal.getType().startsWith("dumb");
         this.noBuffering = noBuffering;
+        this.linesPerProject = rollingWindowSize;
         terminal.enterRawMode();
         Thread mainThread = Thread.currentThread();
         daemonDispatch = m -> {