From 8736d42793b39dd0d6c5e22c0500a7fa88f32bf5 Mon Sep 17 00:00:00 2001
From: Derek Huang <djh458@stern.nyu.edu>
Date: Tue, 12 May 2026 00:17:42 -0400
Subject: [PATCH] ctest: Fix progress summary line erasure on Windows

We only print progress output when VT100 escapes are supported,
even on Windows, so we can erase the line there too.

Fixes: #27814
Issue: #26924
---
 Source/cmCTest.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Source/cmCTest.cxx b/Source/cmCTest.cxx
index 6ead9771bb..b11ef4ffb4 100644
--- a/Source/cmCTest.cxx
+++ b/Source/cmCTest.cxx
@@ -3411,9 +3411,9 @@ void cmCTest::Log(LogType logType, std::string msg, bool suppress)
         }
 
         std::cout << msg;
-#ifndef _WIN32
-        printf("\x1B[K"); // move caret to end
-#endif
+        // ProgressOutputSupportedByConsole() already verified VT100 support.
+        // Erase the rest of the line before printing the message.
+        printf("\x1B[K");
         std::cout.flush();
         return;
       }