Always download repos when they are being patched

rapids-cmake/cpm/cccl.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2023, NVIDIA CORPORATION.
+# Copyright (c) 2023-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -87,8 +87,7 @@ function(rapids_cpm_cccl)
                   CPM_ARGS FIND_PACKAGE_ARGUMENTS EXACT
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "CCCL_ENABLE_INSTALL_RULES ${to_install}")
 

rapids-cmake/cpm/cuco.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2022, NVIDIA CORPORATION.
+# Copyright (c) 2022-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -80,8 +80,7 @@ function(rapids_cpm_cuco)
                   CPM_ARGS
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${to_exclude}
                   OPTIONS "BUILD_TESTS OFF" "BUILD_BENCHMARKS OFF" "BUILD_EXAMPLES OFF"
                           "INSTALL_CUCO ${to_install}")

rapids-cmake/cpm/detail/generate_patch_command.cmake

@@ -103,7 +103,7 @@ function(rapids_cpm_generate_patch_command package_name version patch_command)
     string(TIMESTAMP current_year "%Y" UTC)
     configure_file(${rapids-cmake-dir}/cpm/patches/command_template.cmake.in "${patch_script}"
                    @ONLY)
-    set(${patch_command} ${CMAKE_COMMAND} -P ${patch_script} PARENT_SCOPE)
+    set(${patch_command} PATCH_COMMAND ${CMAKE_COMMAND} -P ${patch_script} PARENT_SCOPE)
   else()
     # remove any old patch / log files that exist and are no longer needed due to a change in the
     # package version / version.json

rapids-cmake/cpm/find.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2020-2023, NVIDIA CORPORATION.
+# Copyright (c) 2020-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -80,6 +80,10 @@ consistency. List all targets used by your project in `GLOBAL_TARGET`.
   Required placeholder to be provided before any extra arguments that need to
   be passed down to :cmake:command:`CPMFindPackage`.
 
+  .. note::
+    A ``PATCH_COMMAND`` will always trigger usage of :cmake:command:`CPMAddPackage` instead of :cmake:command:`CPMFindPackage`. *This is true even
+    if the patch command is empty.*
+
 Result Variables
 ^^^^^^^^^^^^^^^^
   :cmake:variable:`<PackageName>_SOURCE_DIR` is set to the path to the source directory of <PackageName>.
@@ -152,6 +156,14 @@ function(rapids_cpm_find name version)
     message(FATAL_ERROR "rapids_cpm_find requires you to specify CPM_ARGS before any CPM arguments")
   endif()
 
+  set(has_patch FALSE)
+  foreach(unparsed_arg IN LISTS _RAPIDS_UNPARSED_ARGUMENTS)
+    if(unparsed_arg MATCHES "PATCH_COMMAND")
+      set(has_patch TRUE)
+      break()
+    endif()
+  endforeach()
+
   set(package_needs_to_be_added TRUE)
   if(_RAPIDS_GLOBAL_TARGETS)
     foreach(target IN LISTS _RAPIDS_GLOBAL_TARGETS)
@@ -170,7 +182,8 @@ function(rapids_cpm_find name version)
   endif()
 
   if(package_needs_to_be_added)
-    if(CPM_${name}_SOURCE)
+    # Any patch command triggers CPMAddPackage.
+    if(CPM_${name}_SOURCE OR has_patch)
       CPMAddPackage(NAME ${name} VERSION ${version} ${_RAPIDS_UNPARSED_ARGUMENTS})
     else()
       CPMFindPackage(NAME ${name} VERSION ${version} ${_RAPIDS_UNPARSED_ARGUMENTS})

rapids-cmake/cpm/fmt.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2023, NVIDIA CORPORATION.
+# Copyright (c) 2023-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -68,8 +68,7 @@ function(rapids_cpm_fmt)
                   CPM_ARGS
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "FMT_INSTALL ${to_install}" "CMAKE_POSITION_INDEPENDENT_CODE ON")
 

rapids-cmake/cpm/gbench.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2022-2023, NVIDIA CORPORATION.
+# Copyright (c) 2022-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -77,8 +77,7 @@ function(rapids_cpm_gbench)
                   CPM_ARGS
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "BENCHMARK_ENABLE_GTEST_TESTS OFF" "BENCHMARK_ENABLE_TESTING OFF"
                           "BENCHMARK_ENABLE_INSTALL ${to_install}"

rapids-cmake/cpm/gtest.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -68,8 +68,7 @@ function(rapids_cpm_gtest)
                   CPM_ARGS FIND_PACKAGE_ARGUMENTS "EXACT"
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "INSTALL_GTEST ${to_install}" "CMAKE_POSITION_INDEPENDENT_CODE ON")
 

rapids-cmake/cpm/libcudacxx.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -88,8 +88,7 @@ function(rapids_cpm_libcudacxx)
                   CPM_ARGS
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "libcudacxx_ENABLE_INSTALL_RULES ${to_install}")
 

rapids-cmake/cpm/nvbench.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -94,8 +94,7 @@ function(rapids_cpm_nvbench)
                   CPM_ARGS
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "NVBench_ENABLE_NVML ${nvbench_with_nvml}"
                           "NVBench_ENABLE_CUPTI OFF"

rapids-cmake/cpm/nvcomp.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -144,8 +144,7 @@ function(rapids_cpm_nvcomp)
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
                   GIT_SHALLOW ${shallow}
-                  EXCLUDE_FROM_ALL ${to_exclude}
-                  PATCH_COMMAND ${patch_command}
+                  EXCLUDE_FROM_ALL ${to_exclude} ${patch_command}
                   OPTIONS "BUILD_STATIC ON" "BUILD_TESTS OFF" "BUILD_BENCHMARKS OFF"
                           "BUILD_EXAMPLES OFF")
 

rapids-cmake/cpm/package_override.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -99,7 +99,7 @@ function(rapids_cpm_package_override filepath)
                              GIT_REPOSITORY ${repository}
                              GIT_TAG ${tag}
                              GIT_SHALLOW ${shallow}
-                             PATCH_COMMAND ${patch_command} EXCLUDE_FROM_ALL ${exclude})
+                             ${patch_command} EXCLUDE_FROM_ALL ${exclude})
       endif()
     endforeach()
   endif()

rapids-cmake/cpm/rmm.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -77,8 +77,7 @@ function(rapids_cpm_rmm)
                   CPM_ARGS
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${to_exclude}
                   OPTIONS "BUILD_TESTS OFF" "BUILD_BENCHMARKS OFF")
 

rapids-cmake/cpm/spdlog.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -129,8 +129,7 @@ function(rapids_cpm_spdlog)
                   CPM_ARGS
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "SPDLOG_INSTALL ${to_install}" "${spdlog_fmt_option}")
 

rapids-cmake/cpm/thrust.cmake

@@ -1,5 +1,5 @@
 #=============================================================================
-# Copyright (c) 2021-2023, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -84,8 +84,7 @@ function(rapids_cpm_thrust NAMESPACE namespaces_name)
                   CPM_ARGS FIND_PACKAGE_ARGUMENTS EXACT
                   GIT_REPOSITORY ${repository}
                   GIT_TAG ${tag}
-                  GIT_SHALLOW ${shallow}
-                  PATCH_COMMAND ${patch_command}
+                  GIT_SHALLOW ${shallow} ${patch_command}
                   EXCLUDE_FROM_ALL ${exclude}
                   OPTIONS "THRUST_ENABLE_INSTALL_RULES ${to_install}")
 

testing/cpm/CMakeLists.txt

@@ -23,6 +23,7 @@ add_cmake_config_test( cpm_find-existing-target )
 add_cmake_config_test( cpm_find-existing-target-to-export-sets )
 add_cmake_config_test( cpm_find-gtest-no-gmock )
 add_cmake_config_test( cpm_find-options-escaped )
+add_cmake_config_test( cpm_find-patch-command )
 add_cmake_config_test( cpm_find-restore-cpm-vars )
 add_cmake_config_test( cpm_find-version-explicit-install.cmake )
 

testing/cpm/cpm_find-patch-command/CMakeLists.txt

@@ -0,0 +1,52 @@
+#=============================================================================
+# Copyright (c) 2024, NVIDIA CORPORATION.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#=============================================================================
+cmake_minimum_required(VERSION 3.23.1)
+project(rapids-cpm_find-patch-command-project LANGUAGES CXX)
+
+include("${rapids-cmake-dir}/cpm/detail/package_details.cmake")
+rapids_cpm_package_details(CCCL version repository tag shallow exclude)
+
+set(deps_dir "${CMAKE_CURRENT_BINARY_DIR}/_cccl_dep")
+if(NOT EXISTS "${deps_dir}")
+  file(MAKE_DIRECTORY "${deps_dir}")
+  find_package(Git)
+  execute_process(
+    COMMAND ${GIT_EXECUTABLE} clone --depth 1 --branch "${tag}" "${repository}"
+    WORKING_DIRECTORY "${deps_dir}")
+endif()
+
+set(cccl_dir "${deps_dir}/cccl")
+list(APPEND CMAKE_PREFIX_PATH "${cccl_dir}")
+unset(CPM_SOURCE_CACHE)
+unset(CPM_SOURCE_CACHE CACHE)
+
+include(${rapids-cmake-dir}/cpm/init.cmake)
+include(${rapids-cmake-dir}/cpm/cccl.cmake)
+rapids_cpm_init()
+rapids_cpm_cccl()
+
+if(NOT "${CCCL_ADDED}")
+    message(FATAL_ERROR "The found repo was used rather than downloading and patching a new version")
+endif()
+
+execute_process(
+    COMMAND ${GIT_EXECUTABLE} diff-files --quiet
+    RESULT_VARIABLE REPO_IS_DIRTY
+    WORKING_DIRECTORY "${CCCL_SOURCE_DIR}")
+
+if(NOT ${REPO_IS_DIRTY})
+    message(FATAL_ERROR "The repo was downloaded to ${CCCL_SOURCE_DIR} but not patched.")
+endif()