From 1da072eacbcf4df2df3a5b6a692c48aea23d2066 Mon Sep 17 00:00:00 2001
From: Daniel Pfeifer <daniel@pfeifer-mail.de>
Date: Fri, 13 Mar 2026 10:53:35 +0100
Subject: [PATCH] discover_tests: Add TEST_LIST to CTest command

---
 Source/CTest/cmCTestDiscoverTests.cxx |  6 +++++-
 Source/CTest/cmCTestDiscoverTests.h   |  4 ++++
 Source/CTest/cmCTestTestHandler.cxx   | 24 +++++++++++++++++++++---
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/Source/CTest/cmCTestDiscoverTests.cxx b/Source/CTest/cmCTestDiscoverTests.cxx
index 95a97a130a..d872540373 100644
--- a/Source/CTest/cmCTestDiscoverTests.cxx
+++ b/Source/CTest/cmCTestDiscoverTests.cxx
@@ -7,6 +7,7 @@
 #include <cstdlib>
 #include <iterator>
 #include <string>
+#include <utility>
 #include <vector>
 
 #include <cmsys/RegularExpression.hxx>
@@ -87,6 +88,7 @@ private:
 
 bool cmCTestDiscoverTests(cmTestDiscoveryArgs const& args,
                           cmCTestTestHandler* handler,
+                          std::vector<std::string>& testList,
                           cmExecutionStatus& status)
 {
   cmsys::RegularExpression re;
@@ -136,7 +138,7 @@ bool cmCTestDiscoverTests(cmTestDiscoveryArgs const& args,
       continue;
     }
 
-    auto const testName = replace(args.TestName);
+    auto testName = replace(args.TestName);
     auto testArgs = std::vector<std::string>{ testName };
     testArgs.reserve(1 + args.Command.size() + args.TestArgs.size());
     std::copy(args.Command.begin(), args.Command.end(),
@@ -157,6 +159,8 @@ bool cmCTestDiscoverTests(cmTestDiscoveryArgs const& args,
     if (!handler->SetTestsProperties(testProperties)) {
       return false;
     }
+
+    testList.push_back(std::move(testName));
   }
 
   return true;
diff --git a/Source/CTest/cmCTestDiscoverTests.h b/Source/CTest/cmCTestDiscoverTests.h
index 8de7d7e85f..b39318542e 100644
--- a/Source/CTest/cmCTestDiscoverTests.h
+++ b/Source/CTest/cmCTestDiscoverTests.h
@@ -4,10 +4,14 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include <string>
+#include <vector>
+
 struct cmTestDiscoveryArgs;
 class cmCTestTestHandler;
 class cmExecutionStatus;
 
 bool cmCTestDiscoverTests(cmTestDiscoveryArgs const& args,
                           cmCTestTestHandler* handler,
+                          std::vector<std::string>& testList,
                           cmExecutionStatus& status);
diff --git a/Source/CTest/cmCTestTestHandler.cxx b/Source/CTest/cmCTestTestHandler.cxx
index 5f211600cc..1661b69a40 100644
--- a/Source/CTest/cmCTestTestHandler.cxx
+++ b/Source/CTest/cmCTestTestHandler.cxx
@@ -263,8 +263,13 @@ public:
 bool cmCTestDiscoverTestsCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus& status)
 {
-  using Arguments = cmTestDiscoveryArgs;
-  static auto const parser = cmTestDiscoveryParser<Arguments>();
+  struct Arguments : cmTestDiscoveryArgs
+  {
+    std::string TestList;
+  };
+  static auto const parser =
+    cmArgumentParser<Arguments>{ cmTestDiscoveryParser<Arguments>() } //
+      .Bind("TEST_LIST"_s, &Arguments::TestList);
 
   auto unparsed = std::vector<std::string>{};
   Arguments const arguments = parser.Parse(args, &unparsed);
@@ -277,7 +282,20 @@ bool cmCTestDiscoverTestsCommand::InitialPass(
     return false;
   }
 
-  return cmCTestDiscoverTests(arguments, this->TestHandler, status);
+  std::vector<std::string> testList;
+  if (!cmCTestDiscoverTests(arguments, this->TestHandler, testList, status)) {
+    return false;
+  }
+
+  if (!arguments.TestList.empty()) {
+    for (std::string& testName : testList) {
+      cmSystemTools::ReplaceString(testName, ";", "\\;");
+    }
+    status.GetMakefile().AddDefinition(arguments.TestList,
+                                       cmList::to_string(testList));
+  }
+
+  return true;
 }
 
 class cmCTestSetTestsPropertiesCommand : public cmCTestCommand