cmake: split out the maintenance targets to a new cmake module
[libam7xxx.git] / cmake_modules / MaintenanceTools.cmake
diff --git a/cmake_modules/MaintenanceTools.cmake b/cmake_modules/MaintenanceTools.cmake
new file mode 100644 (file)
index 0000000..4b90336
--- /dev/null
@@ -0,0 +1,27 @@
+# Use git for some maintenance tasks
+find_package(Git)
+if(GIT_FOUND)
+
+  # Add an 'archive' target to generate a compressed archive from the git source code
+  set(ARCHIVE_PREFIX ${CMAKE_PROJECT_NAME}-${PROJECT_VER})
+  find_program(DATE_EXECUTABLE date DOC "date command line program")
+  if (DATE_EXECUTABLE)
+    message(STATUS "Found date: " ${DATE_EXECUTABLE})
+    message(STATUS "Generator is: " ${CMAKE_GENERATOR})
+
+    # XXX: using $(shell CMD) works only with Unix Makefile
+    if (CMAKE_GENERATOR STREQUAL "Unix Makefiles")
+      message(STATUS " - \"git archive\" will use the date too!")
+      set(ARCHIVE_PREFIX ${ARCHIVE_PREFIX}-$\(shell ${DATE_EXECUTABLE} +%Y%m%d%H%M\))
+    endif()
+  endif()
+  add_custom_target(archive
+    COMMAND ${GIT_EXECUTABLE} archive -o \"${CMAKE_BINARY_DIR}/${ARCHIVE_PREFIX}.tar.gz\" --prefix=\"${ARCHIVE_PREFIX}/\" HEAD
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+
+  # Add a 'changelog' target to generate a qausi-GNU-style changelog, it may
+  # be used by distributors to ship when building their packages.
+  add_custom_target(changelog
+    COMMAND ${GIT_EXECUTABLE} log --pretty=\"format:%ai  %aN  <%aE>%n%n%x09* %s%d%n\" > \"${CMAKE_BINARY_DIR}/ChangeLog\"
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+endif(GIT_FOUND)