[vcpkg postcheck] Check the folder name of the generated cmake file

ports/rapidjson/CONTROL

@@ -1,4 +1,5 @@
 Source: rapidjson
 Version: 2020-02-08
+Port-Version: 1
 Description: A fast JSON parser/generator for C++ with both SAX/DOM style API <http://rapidjson.org/>
 Homepage: http://rapidjson.org/

ports/rapidjson/portfile.cmake

@@ -1,6 +1,4 @@
 #header-only library
-include(vcpkg_common_functions)
-
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO Tencent/rapidjson
@@ -21,13 +19,13 @@ vcpkg_configure_cmake(
 )
 vcpkg_install_cmake()
 
-vcpkg_fixup_cmake_targets(CONFIG_PATH cmake)
+vcpkg_fixup_cmake_targets(CONFIG_PATH cmake TARGET_PATH share/RapidJSON)
 
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/lib ${CURRENT_PACKAGES_DIR}/debug ${CURRENT_PACKAGES_DIR}/share/doc)
 
-file(READ "${CURRENT_PACKAGES_DIR}/share/rapidjson/RapidJSONConfig.cmake" _contents)
+file(READ "${CURRENT_PACKAGES_DIR}/share/RapidJSON/RapidJSONConfig.cmake" _contents)
 string(REPLACE "\${RapidJSON_SOURCE_DIR}" "\${RapidJSON_CMAKE_DIR}/../.." _contents "${_contents}")
-file(WRITE "${CURRENT_PACKAGES_DIR}/share/rapidjson/RapidJSONConfig.cmake" "${_contents}\nset(RAPIDJSON_INCLUDE_DIRS \"\${RapidJSON_INCLUDE_DIRS}\")\n")
+file(WRITE "${CURRENT_PACKAGES_DIR}/share/RapidJSON/RapidJSONConfig.cmake" "${_contents}\nset(RAPIDJSON_INCLUDE_DIRS \"\${RapidJSON_INCLUDE_DIRS}\")\n")
 
 file(INSTALL ${SOURCE_PATH}/license.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
 file(INSTALL ${CMAKE_CURRENT_LIST_DIR}/usage DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT})

toolsrc/src/vcpkg/postbuildlint.cpp

@@ -416,6 +416,59 @@ namespace vcpkg::PostBuildLint
         return LintStatus::SUCCESS;
     }
 
+    static LintStatus check_for_cmake_files(const Files::Filesystem& fs, const fs::path& share_dir)
+    {
+        static StringLiteral UPPER_CONFIG = "Config.cmake";
+        static StringLiteral LOWER_CONFIG = "-config.cmake";
+        std::vector<fs::path> shareFolders = fs.get_files_non_recursive(share_dir);
+        for (const auto folder : shareFolders)
+        {
+            if (!fs.is_directory(folder))
+            {
+                continue;
+            }
+
+            const auto files = fs.get_files_non_recursive(folder);
+            fs::path cmake_file;
+            std::string config_prefix;
+            for (const auto file_path : files)
+            {
+                auto filename = fs::u8string(file_path.filename());
+                if (Strings::ends_with(filename, UPPER_CONFIG))
+                {
+                    config_prefix = filename.substr(0, filename.size() - UPPER_CONFIG.size());
+                    cmake_file = file_path;
+                    break;
+                }
+                else if (Strings::ends_with(filename, LOWER_CONFIG))
+                {
+                    config_prefix = filename.substr(0, filename.size() - LOWER_CONFIG.size());
+                    cmake_file = file_path;
+                    break;
+                }
+            }
+
+            auto containing_directory = fs::u8string(cmake_file.parent_path().filename());
+            if (!cmake_file.empty() && config_prefix != containing_directory)
+            {
+                System::printf(System::Color::warning,
+                               "The following cmake file %s was found in %s: the config prefix %s did not match the "
+                               "containing directory's name %s.\n",
+                               cmake_file.filename().string().c_str(),
+                               cmake_file.parent_path().string().c_str(),
+                               config_prefix.c_str(),
+                               cmake_file.parent_path().filename().string().c_str());
+                System::print2(System::Color::warning, "Please add the following code to portfile.cmake:\n");
+                System::printf(System::Color::warning,
+                               "    vcpkg_fixup_cmake_targets(... TARGET_PATH share/%s).\n",
+                               config_prefix);
+                return LintStatus::ERROR_DETECTED;
+            }
+        }
+
+        return LintStatus::SUCCESS;
+    }
+
     static LintStatus check_uwp_bit_of_dlls(const std::string& expected_system_name,
                                             const std::vector<fs::path>& dlls,
                                             const fs::path dumpbin_exe)
@@ -860,6 +913,7 @@ namespace vcpkg::PostBuildLint
         error_count += check_for_copyright_file(fs, spec, paths);
         error_count += check_for_exes(fs, package_dir);
         error_count += check_for_exes(fs, package_dir / "debug");
+        error_count += check_for_cmake_files(fs, package_dir / "share");
 
         const fs::path debug_lib_dir = package_dir / "debug" / "lib";
         const fs::path release_lib_dir = package_dir / "lib";