From d6111df5cbcd167b6849a99d7385746b7e3b17bf Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 25 Nov 2025 19:07:15 -0500
Subject: [PATCH] cmUVStream: Remove unused cmUVPipeIStream

All clients have been ported to cmUVIStream.
---
 Source/cmUVStream.h                | 44 ------------------------------
 Tests/CMakeLib/testUVStreambuf.cxx | 11 +++++---
 2 files changed, 7 insertions(+), 48 deletions(-)

diff --git a/Source/cmUVStream.h b/Source/cmUVStream.h
index de1edf75eb..55b0ea38c5 100644
--- a/Source/cmUVStream.h
+++ b/Source/cmUVStream.h
@@ -63,50 +63,6 @@ void cmBasicUVIStream<CharT, Traits>::close()
 
 using cmUVIStream = cmBasicUVIStream<char>;
 
-template <typename CharT, typename Traits = std::char_traits<CharT>>
-class cmBasicUVPipeIStream : public cmBasicUVIStream<CharT, Traits>
-{
-public:
-  cmBasicUVPipeIStream();
-  cmBasicUVPipeIStream(uv_loop_t& loop, int fd);
-
-  using cmBasicUVIStream<CharT, Traits>::is_open;
-
-  void open(uv_loop_t& loop, int fd);
-
-  void close();
-
-private:
-  cm::uv_pipe_ptr Pipe;
-};
-
-template <typename CharT, typename Traits>
-cmBasicUVPipeIStream<CharT, Traits>::cmBasicUVPipeIStream() = default;
-
-template <typename CharT, typename Traits>
-cmBasicUVPipeIStream<CharT, Traits>::cmBasicUVPipeIStream(uv_loop_t& loop,
-                                                          int fd)
-{
-  this->open(loop, fd);
-}
-
-template <typename CharT, typename Traits>
-void cmBasicUVPipeIStream<CharT, Traits>::open(uv_loop_t& loop, int fd)
-{
-  this->Pipe.init(loop, 0);
-  uv_pipe_open(this->Pipe, fd);
-  this->cmBasicUVIStream<CharT, Traits>::open(this->Pipe);
-}
-
-template <typename CharT, typename Traits>
-void cmBasicUVPipeIStream<CharT, Traits>::close()
-{
-  this->cmBasicUVIStream<CharT, Traits>::close();
-  this->Pipe.reset();
-}
-
-using cmUVPipeIStream = cmBasicUVPipeIStream<char>;
-
 class cmUVStreamReadHandle
 {
 private:
diff --git a/Tests/CMakeLib/testUVStreambuf.cxx b/Tests/CMakeLib/testUVStreambuf.cxx
index d53eab34fe..a901ab2ad2 100644
--- a/Tests/CMakeLib/testUVStreambuf.cxx
+++ b/Tests/CMakeLib/testUVStreambuf.cxx
@@ -443,7 +443,7 @@ end:
   return success;
 }
 
-bool testUVPipeIStream()
+bool testUVIStream()
 {
   int pipe[] = { -1, -1 };
   if (cmGetPipes(pipe) < 0) {
@@ -464,8 +464,11 @@ bool testUVPipeIStream()
   buf.len = str.length();
   uv_write(&writeReq, pipeSink, &buf, 1, nullptr);
   uv_run(loop, UV_RUN_DEFAULT);
+  cm::uv_pipe_ptr pipeSource;
+  pipeSource.init(*loop, 0);
+  uv_pipe_open(pipeSource, pipe[0]);
 
-  cmUVPipeIStream pin(*loop, pipe[0]);
+  cmUVIStream pin(pipeSource);
   std::string line;
   std::getline(pin, line);
   if (line != "Hello world!") {
@@ -593,8 +596,8 @@ int testUVStreambuf(int argc, char** const argv)
     return -1;
   }
 
-  if (!testUVPipeIStream()) {
-    std::cout << "While executing testUVPipeIStream().\n";
+  if (!testUVIStream()) {
+    std::cout << "While executing testUVIStream().\n";
     return -1;
   }