LICENSE: Replace references to Copyright.txt with LICENSE.rst

```
git grep -lz 'Copyright.txt or https://cmake.org/licensing ' |
  while IFS= read -r -d $'\0' f ; do
    sed -i '/Copyright.txt or https:\/\/cmake.org\/licensing / {
              s/Copyright.txt/LICENSE.rst/
            }' "$f" ; done
```

Modules/Internal/CMakeASM-ATTLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # support for AT&T syntax assemblers, e.g. GNU as

Modules/Internal/CMakeASMLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the C compiler in CMake.

Modules/Internal/CMakeASM_MARMASMLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # support for the MS assembler, masm and masm64

Modules/Internal/CMakeASM_MASMLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # support for the MS assembler, masm and masm64

Modules/Internal/CMakeASM_NASMLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # support for the nasm assembler

Modules/Internal/CMakeCLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the C compiler in CMake.

Modules/Internal/CMakeCUDAArchitecturesAll.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # See supported GPUs on Wikipedia
 # https://en.wikipedia.org/wiki/CUDA#GPUs_supported

Modules/Internal/CMakeCUDAArchitecturesNative.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 function(cmake_cuda_architectures_native lang)
   # Run the test binary to detect the native architectures.

Modules/Internal/CMakeCUDAArchitecturesValidate.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 function(cmake_cuda_architectures_validate lang)
   if(DEFINED CMAKE_${lang}_ARCHITECTURES)

Modules/Internal/CMakeCUDAFilterImplicitLibs.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # In CMakeDetermineCUDACompiler and CMakeTestCUDACompiler we detect
 # libraries that the CUDA compiler implicitly passes to the host linker.

Modules/Internal/CMakeCUDAFindToolkit.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 macro(cmake_cuda_find_toolkit lang lang_var_)
   # This is very similar to FindCUDAToolkit, but somewhat simplified since we can issue fatal errors

Modules/Internal/CMakeCUDALinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the C compiler in CMake.

Modules/Internal/CMakeCXXLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the C++ compiler in CMake.

Modules/Internal/CMakeCommonLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file contains common code blocks used by all the linker information

Modules/Internal/CMakeDetermineLinkerId.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # Function to identify the linker.  This is used internally by CMake and should
 # not be included by user code.

Modules/Internal/CMakeFortranLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the C compiler in CMake.

Modules/Internal/CMakeHIPLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the C compiler in CMake.

Modules/Internal/CMakeNVCCFilterImplicitInfo.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 macro(cmake_nvcc_filter_implicit_info lang lang_var_)
   # Remove the CUDA Toolkit include directories from the set of

Modules/Internal/CMakeNVCCParseImplicitInfo.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 macro(cmake_nvcc_parse_implicit_info lang lang_var_)
   set(_nvcc_log "")

Modules/Internal/CMakeOBJCLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the Objective-C compiler in CMake.

Modules/Internal/CMakeOBJCXXLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the Objective-C++ compiler in CMake.

Modules/Internal/CMakeSwiftLinkerInformation.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # This file sets the basic flags for the linker used by the Swift compiler in CMake.

Modules/Internal/CMakeTryCompilerOrLinkerFlag.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 #[=[
 

Modules/Internal/CPack/CPackDeb.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # CPack script for creating Debian package
 # Author: Mathieu Malaterre

Modules/Internal/CPack/CPackExternal.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 if(NOT "${CPACK_EXTERNAL_REQUESTED_VERSIONS}" STREQUAL "")
   unset(_found_major)

Modules/Internal/CPack/CPackFreeBSD.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 if(CMAKE_BINARY_DIR)

Modules/Internal/CPack/CPackNuGet.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # Author: Alex Turbov
 

Modules/Internal/CPack/CPackRPM.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # Author: Eric Noulard with the help of Alexander Neundorf.
 

Modules/Internal/CPack/CPackWIX.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 if(NOT CPACK_WIX_ROOT)
   string(REPLACE "\\" "/" CPACK_WIX_ROOT "$ENV{WIX}")

Modules/Internal/CPack/CPackZIP.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 if(CMAKE_BINARY_DIR)

Modules/Internal/CPack/ISComponents.pas

@@ -1,5 +1,5 @@
 { Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-file Copyright.txt or https://cmake.org/licensing for details. }
+file LICENSE.rst or https://cmake.org/licensing for details. }
 
 function CPackGetCustomInstallationMessage(Param: String): String;
 begin

Modules/Internal/CheckCompilerFlag.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 include_guard(GLOBAL)
 include(Internal/CheckFlagCommonConfig)

Modules/Internal/CheckFlagCommonConfig.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # Do NOT include this module directly into any of your code. It is meant as

Modules/Internal/CheckLinkerFlag.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 include_guard(GLOBAL)
 include(Internal/CheckFlagCommonConfig)

Modules/Internal/CheckSourceCompiles.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 include_guard(GLOBAL)
 

Modules/Internal/CheckSourceRuns.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 include_guard(GLOBAL)
 

Modules/Internal/HeaderpadWorkaround.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 
 # Do NOT include this module directly into any of your code. It is used by

Modules/Internal/OSRelease/010-TryOldCentOS.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # Author: Alex Turbov
 

Modules/Internal/OSRelease/020-TryDebianVersion.cmake

@@ -1,5 +1,5 @@
 # Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
-# file Copyright.txt or https://cmake.org/licensing for details.
+# file LICENSE.rst or https://cmake.org/licensing for details.
 
 # Author: Alex Turbov