| # Adds version control information to the variable VERS. For | |
| # determining the Version Control System used (if any) it inspects the | |
| # existence of certain subdirectories under SOURCE_DIR (if provided as an | |
| # extra argument, otherwise uses CMAKE_CURRENT_SOURCE_DIR). | |
| function(get_source_info path revision repository) | |
| find_package(Git QUIET) | |
| if(GIT_FOUND) | |
| execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir | |
| WORKING_DIRECTORY ${path} | |
| RESULT_VARIABLE git_result | |
| OUTPUT_VARIABLE git_output | |
| ERROR_QUIET) | |
| if(git_result EQUAL 0) | |
| string(STRIP "${git_output}" git_output) | |
| get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path}) | |
| execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse HEAD | |
| WORKING_DIRECTORY ${path} | |
| RESULT_VARIABLE git_result | |
| OUTPUT_VARIABLE git_output) | |
| if(git_result EQUAL 0) | |
| string(STRIP "${git_output}" git_output) | |
| set(${revision} ${git_output} PARENT_SCOPE) | |
| endif() | |
| execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref --symbolic-full-name @{upstream} | |
| WORKING_DIRECTORY ${path} | |
| RESULT_VARIABLE git_result | |
| OUTPUT_VARIABLE git_output | |
| ERROR_QUIET) | |
| if(git_result EQUAL 0) | |
| string(REPLACE "/" ";" branch ${git_output}) | |
| list(GET branch 0 remote) | |
| else() | |
| set(remote "origin") | |
| endif() | |
| execute_process(COMMAND ${GIT_EXECUTABLE} remote get-url ${remote} | |
| WORKING_DIRECTORY ${path} | |
| RESULT_VARIABLE git_result | |
| OUTPUT_VARIABLE git_output | |
| ERROR_QUIET) | |
| if(git_result EQUAL 0) | |
| string(STRIP "${git_output}" git_output) | |
| set(${repository} ${git_output} PARENT_SCOPE) | |
| else() | |
| set(${repository} ${path} PARENT_SCOPE) | |
| endif() | |
| endif() | |
| else() | |
| message(WARNING "Git not found. Version cannot be determined.") | |
| endif() | |
| endfunction() |