First try to integrate git info in pastis executable

CMakeLists.txt

@@ -31,5 +31,18 @@ list(APPEND CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} -O3)
 add_subdirectory(${CMAKE_SOURCE_DIR}/packages/kokkos)
 include_directories(${Kokkos_INCLUDE_DIRS_RET})
 
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake-modules")
+include(GetGitRevisionDescription)
+
+get_git_head_revision(GITREV GITHASH)
+git_local_changes(GITHASLOCALCHANGES)
+message("git rev ${GITREV} : ${GITHASH} (${GITHASLOCALCHANGES})")
+
+file(WRITE  "${CMAKE_BINARY_DIR}/git_revision.hpp" "#define GITREV \"${GITREV}\"\n")
+file(APPEND "${CMAKE_BINARY_DIR}/git_revision.hpp" "#define GITHASH \"${GITHASH}\"\n")
+file(APPEND "${CMAKE_BINARY_DIR}/git_revision.hpp" "#define GITHASLOCALCHANGES \"${GITHASLOCALCHANGES}\"\n")
+
+include_directories(${CMAKE_BINARY_DIR})
+
 add_executable(pastis main.cpp)
 target_link_libraries(pastis kokkos)

main.cpp

 #include <iostream>
 #include <Kokkos_Core.hpp>
+#include <git_revision.hpp>
 
 int main(int argc, char *argv[])
 {
   std::cout << "It's pastis time!\n";
-  std::cout << "-----------------\n";
+  std::cout << "--------------------- git info --------------------------\n";
+  std::cout << "* branch: " << GITREV << '\n';
+  std::cout << "*   hash: " << GITHASH << '(' << GITHASLOCALCHANGES << ")\n";
+  std::cout << "---------------------------------------------------------\n";
 
   Kokkos::initialize(argc, argv);
   Kokkos::DefaultExecutionSpace::print_configuration(std::cout);