Add build target to check if cmake-init template is up-to-date

CMakeLists.txt

@@ -52,6 +52,7 @@ set(META_VERSION_PATCH       "0")
 set(META_VERSION_REVISION    "${GIT_REV}")
 set(META_VERSION             "${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}")
 set(META_NAME_VERSION        "${META_PROJECT_NAME} v${META_VERSION} (${META_VERSION_REVISION})")
+set(META_CMAKE_INIT_SHA      "${GIT_SHA1}")
 
 string(MAKE_C_IDENTIFIER ${META_PROJECT_NAME} META_PROJECT_ID)
 string(TOUPPER ${META_PROJECT_ID} META_PROJECT_ID)

cmake/CheckTemplate.cmake

@@ -0,0 +1,49 @@
+
+#
+# Get cmake-init latest commit SHA on master
+#
+
+file(DOWNLOAD
+    "https://api.github.com/repos/cginternals/cmake-init/commits/master"
+    "${PROJECT_BINARY_DIR}/cmake-init.github.data"
+)
+file(READ
+    "${PROJECT_BINARY_DIR}/cmake-init.github.data"
+    CMAKE_INIT_INFO
+)
+
+string(REGEX MATCH
+    "\"sha\": \"([0-9a-f]+)\","
+    CMAKE_INIT_SHA
+    ${CMAKE_INIT_INFO})
+
+string(SUBSTRING
+    ${CMAKE_INIT_SHA}
+    8
+    40
+    CMAKE_INIT_SHA
+)
+
+#
+# Get latest cmake-init commit on this repository
+#
+
+# APPLIED_CMAKE_INIT_SHA can be set by parent script
+if(NOT APPLIED_CMAKE_INIT_SHA)
+    # [TODO]: Get from git commit list (see cmake_init/source/scripts/check_template.sh)
+    set(APPLIED_CMAKE_INIT_SHA "")
+endif ()
+
+if("${APPLIED_CMAKE_INIT_SHA}" STREQUAL "")
+    message(WARNING
+        "No cmake-init version detected, could not verify up-to-dateness. "
+        "Set the cmake-init version by defining a META_CMAKE_INIT_SHA for your project."
+    )
+    return()
+endif()
+
+if(${APPLIED_CMAKE_INIT_SHA} STREQUAL ${CMAKE_INIT_SHA})
+    message(STATUS "cmake-init template is up-to-date (${CMAKE_INIT_SHA})")
+else()
+    message(STATUS "cmake-init template needs an update https://github.com/cginternals/cmake-init/compare/${APPLIED_CMAKE_INIT_SHA}...master")
+endif()

source/CMakeLists.txt

@@ -33,3 +33,10 @@ endif()
 
 # Deploy generated headers
 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/${META_PROJECT_NAME} DESTINATION include COMPONENT dev)
+
+
+#
+# Project Health
+#
+
+add_subdirectory(scripts)

source/scripts/CMakeLists.txt

@@ -0,0 +1,14 @@
+
+#
+# Add project health scripts as cmake targets
+#
+
+add_custom_target(
+    check-template
+    COMMAND ${CMAKE_COMMAND}
+        -DPROJECT_SOURCE_DIR=${PROJECT_SOURCE_DIR}
+        -DPROJECT_BINARY_DIR=${PROJECT_BINARY_DIR}
+        -DAPPLIED_CMAKE_INIT_SHA=${META_CMAKE_INIT_SHA}
+        -P ${PROJECT_SOURCE_DIR}/cmake/CheckTemplate.cmake
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+)