(maven-mvnd) 02/03: Fall back to a dumb terminal without a warning when no system terminal exists

[sl...@apache.org]

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slachiewicz pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/maven-mvnd.git

commit 1f4afa7ccc3424bf3d9337225aa9557dd88bc314
Author: Sylwester Lachiewicz <sl...@apache.org>
AuthorDate: Sun Oct 18 20:31:39 2026 +0200

    Fall back to a dumb terminal without a warning when no system terminal exists
    
    Fixes #1028
---
 .../src/main/java/org/mvndaemon/mvnd/common/logging/TerminalOutput.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/src/main/java/org/mvndaemon/mvnd/common/logging/TerminalOutput.java b/common/src/main/java/org/mvndaemon/mvnd/common/logging/TerminalOutput.java
index 641ba498..8290e0ec 100644
--- a/common/src/main/java/org/mvndaemon/mvnd/common/logging/TerminalOutput.java
+++ b/common/src/main/java/org/mvndaemon/mvnd/common/logging/TerminalOutput.java
@@ -155,6 +155,8 @@ public class TerminalOutput implements ClientOutput {
         this.start = System.currentTimeMillis();
         TerminalBuilder builder = TerminalBuilder.builder();
         builder.systemOutput(TerminalBuilder.SystemOutput.SysErr);
+        // fall back to a dumb terminal silently when there is no system terminal, e.g. on headless CI
+        builder.dumb(true);
         this.terminal = builder.build();
         this.dumb = terminal.getType().startsWith("dumb");
         this.noBuffering = noBuffering;