1# Adds version control information to the variable VERS. For 2# determining the Version Control System used (if any) it inspects the 3# existence of certain subdirectories under SOURCE_DIR (if provided as an 4# extra argument, otherwise uses CMAKE_CURRENT_SOURCE_DIR). 5 6function(get_source_info path revision repository) 7 find_package(Git QUIET) 8 if(GIT_FOUND) 9 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir 10 WORKING_DIRECTORY ${path} 11 RESULT_VARIABLE git_result 12 OUTPUT_VARIABLE git_output 13 ERROR_QUIET) 14 if(git_result EQUAL 0) 15 string(STRIP "${git_output}" git_output) 16 get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) 17 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse HEAD 18 WORKING_DIRECTORY ${path} 19 RESULT_VARIABLE git_result 20 OUTPUT_VARIABLE git_output) 21 if(git_result EQUAL 0) 22 string(STRIP "${git_output}" git_output) 23 set(${revision} ${git_output} PARENT_SCOPE) 24 endif() 25 execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref --symbolic-full-name @{upstream} 26 WORKING_DIRECTORY ${path} 27 RESULT_VARIABLE git_result 28 OUTPUT_VARIABLE git_output 29 ERROR_QUIET) 30 if(git_result EQUAL 0) 31 string(REPLACE "/" ";" branch ${git_output}) 32 list(GET branch 0 remote) 33 else() 34 set(remote "origin") 35 endif() 36 execute_process(COMMAND ${GIT_EXECUTABLE} remote get-url ${remote} 37 WORKING_DIRECTORY ${path} 38 RESULT_VARIABLE git_result 39 OUTPUT_VARIABLE git_output 40 ERROR_QUIET) 41 if(git_result EQUAL 0) 42 string(STRIP "${git_output}" git_output) 43 set(${repository} ${git_output} PARENT_SCOPE) 44 else() 45 set(${repository} ${path} PARENT_SCOPE) 46 endif() 47 endif() 48 else() 49 message(WARNING "Git not found. Version cannot be determined.") 50 endif() 51endfunction() 52