When building from git, add ref-id to PACKAGE_VERSION
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110301 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/cmake/modules/VersionFromVCS.cmake b/cmake/modules/VersionFromVCS.cmake
index 618b232..1016df2 100644
--- a/cmake/modules/VersionFromVCS.cmake
+++ b/cmake/modules/VersionFromVCS.cmake
@@ -15,6 +15,19 @@
endif()
elseif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git )
set(result "${result}git")
+ # Try to get a ref-id
+ find_program(git_executable NAMES git git.exe git.cmd)
+ if( git_executable )
+ execute_process(COMMAND ${git_executable} show-ref HEAD
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ TIMEOUT 5
+ RESULT_VARIABLE git_result
+ OUTPUT_VARIABLE git_output)
+ if( git_result EQUAL 0 )
+ string(SUBSTRING ${git_output} 0 7 git_ref_id)
+ set(result "${result}-${git_ref_id}")
+ endif()
+ endif()
endif()
set(${VERS} ${result} PARENT_SCOPE)
endfunction(add_version_info_from_vcs)