Merge topic 'ctest-CLICOLOR_FORCE'

074a6a8cf6 CTest: Add env var CLICOLOR_FORCE to force color output

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3733

Source/cmCTest.cxx

@@ -2127,6 +2127,11 @@ bool cmCTest::ColoredOutputSupportedByConsole()
   return false;
 #else
   // On UNIX we need a non-dumb tty.
+  std::string clicolor_force;
+  if (cmSystemTools::GetEnv("CLICOLOR_FORCE", clicolor_force) &&
+      !clicolor_force.empty() && clicolor_force != "0") {
+    return true;
+  }
   return ConsoleIsNotDumb();
 #endif
 }