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 CMAKE_CURRENT_SOURCE_DIR.
5 function(add_version_info_from_vcs VERS)
7 if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.svn )
8 set(result "${result}svn")
9 find_package(Subversion)
10 if( Subversion_FOUND )
11 subversion_wc_info( ${CMAKE_CURRENT_SOURCE_DIR} Project )
12 if( Project_WC_REVISION )
13 set(result "${result}-r${Project_WC_REVISION}")
16 elseif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git )
17 set(result "${result}git")
19 find_program(git_executable NAMES git git.exe git.cmd)
21 execute_process(COMMAND ${git_executable} show-ref HEAD
22 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
24 RESULT_VARIABLE git_result
25 OUTPUT_VARIABLE git_output)
26 if( git_result EQUAL 0 )
27 string(SUBSTRING ${git_output} 0 7 git_ref_id)
28 set(result "${result}-${git_ref_id}")
30 execute_process(COMMAND ${git_executable} svn log --limit=1 --oneline
31 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
33 RESULT_VARIABLE git_result
34 OUTPUT_VARIABLE git_output)
35 if( git_result EQUAL 0 )
36 string(REGEX MATCH r[0-9]+ git_svn_rev ${git_output})
37 set(result "${result}-svn-${git_svn_rev}")
42 set(${VERS} ${result} PARENT_SCOPE)
43 endfunction(add_version_info_from_vcs)