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. 4 5 function(add_version_info_from_vcs VERS) 6 set(result ${${VERS}}) 7 if( EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.svn" ) 8 set(result "${result}svn") 9 # FindSubversion does not work with symlinks. See PR 8437 10 if( NOT IS_SYMLINK "${CMAKE_CURRENT_SOURCE_DIR}" ) 11 find_package(Subversion) 12 endif() 13 if( Subversion_FOUND ) 14 subversion_wc_info( ${CMAKE_CURRENT_SOURCE_DIR} Project ) 15 if( Project_WC_REVISION ) 16 set(result "${result}-r${Project_WC_REVISION}") 17 endif() 18 endif() 19 elseif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git ) 20 set(result "${result}git") 21 # Try to get a ref-id 22 find_program(git_executable NAMES git git.exe git.cmd) 23 if( git_executable ) 24 execute_process(COMMAND ${git_executable} show-ref HEAD 25 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} 26 TIMEOUT 5 27 RESULT_VARIABLE git_result 28 OUTPUT_VARIABLE git_output) 29 if( git_result EQUAL 0 ) 30 string(SUBSTRING ${git_output} 0 7 git_ref_id) 31 set(result "${result}-${git_ref_id}") 32 else() 33 execute_process(COMMAND ${git_executable} svn log --limit=1 --oneline 34 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} 35 TIMEOUT 5 36 RESULT_VARIABLE git_result 37 OUTPUT_VARIABLE git_output) 38 if( git_result EQUAL 0 ) 39 string(REGEX MATCH r[0-9]+ git_svn_rev ${git_output}) 40 set(result "${result}-svn-${git_svn_rev}") 41 endif() 42 endif() 43 endif() 44 endif() 45 set(${VERS} ${result} PARENT_SCOPE) 46 endfunction(add_version_info_from_vcs) 47
