# 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 CMAKE_CURRENT_SOURCE_DIR. function(add_version_info_from_vcs VERS) string(REPLACE "svn" "" result "${${VERS}}") if( EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.svn" ) set(result "${result}svn") # FindSubversion does not work with symlinks. See PR 8437 if( NOT IS_SYMLINK "${CMAKE_CURRENT_SOURCE_DIR}" ) find_package(Subversion) endif() if( Subversion_FOUND ) subversion_wc_info( ${CMAKE_CURRENT_SOURCE_DIR} Project ) if( Project_WC_REVISION ) set(SVN_REVISION ${Project_WC_REVISION} PARENT_SCOPE) set(result "${result}-r${Project_WC_REVISION}") endif() endif() elseif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git ) set(result "${result}git") # Try to get a ref-id if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git/svn ) find_program(git_executable NAMES git git.exe git.cmd) if( git_executable ) set(is_git_svn_rev_exact false) execute_process(COMMAND ${git_executable} svn log --limit=1 --oneline WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} TIMEOUT 5 RESULT_VARIABLE git_result OUTPUT_VARIABLE git_output) if( git_result EQUAL 0 ) string(REGEX MATCH r[0-9]+ git_svn_rev ${git_output}) string(LENGTH "${git_svn_rev}" rev_length) math(EXPR rev_length "${rev_length}-1") string(SUBSTRING "${git_svn_rev}" 1 ${rev_length} git_svn_rev_number) set(SVN_REVISION ${git_svn_rev_number} PARENT_SCOPE) set(git_svn_rev "-svn-${git_svn_rev}") # Determine if the HEAD points directly at a subversion revision. execute_process(COMMAND ${git_executable} svn find-rev HEAD WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} TIMEOUT 5 RESULT_VARIABLE git_result OUTPUT_VARIABLE git_output) if( git_result EQUAL 0 ) string(STRIP "${git_output}" git_head_svn_rev_number) if( git_head_svn_rev_number EQUAL git_svn_rev_number ) set(is_git_svn_rev_exact true) endif() endif() else() set(git_svn_rev "") endif() execute_process(COMMAND ${git_executable} rev-parse --short HEAD WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} TIMEOUT 5 RESULT_VARIABLE git_result OUTPUT_VARIABLE git_output) if( git_result EQUAL 0 AND NOT is_git_svn_rev_exact ) string(STRIP "${git_output}" git_ref_id) set(GIT_COMMIT ${git_ref_id} PARENT_SCOPE) set(result "${result}${git_svn_rev}-${git_ref_id}") else() set(result "${result}${git_svn_rev}") endif() endif() endif() endif() set(${VERS} ${result} PARENT_SCOPE) endfunction(add_version_info_from_vcs)