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)
6 string(REPLACE "svn" "" 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)
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}")
19 elseif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git )
20 set(result "${result}git")
22 find_program(git_executable NAMES git git.exe git.cmd)
24 set(is_git_svn_rev_exact false)
25 execute_process(COMMAND ${git_executable} svn log --limit=1 --oneline
26 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
28 RESULT_VARIABLE git_result
29 OUTPUT_VARIABLE git_output)
30 if( git_result EQUAL 0 )
31 string(REGEX MATCH r[0-9]+ git_svn_rev ${git_output})
32 string(SUBSTRING "${git_svn_rev}" 1 -1 git_svn_rev_number)
33 set(git_svn_rev "-svn-${git_svn_rev}")
35 # Determine if the HEAD points directly at a subversion revision.
36 execute_process(COMMAND ${git_executable} svn find-rev HEAD
37 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
39 RESULT_VARIABLE git_result
40 OUTPUT_VARIABLE git_output)
41 if( git_result EQUAL 0 )
42 string(STRIP "${git_output}" git_head_svn_rev_number)
43 if( git_head_svn_rev_number EQUAL git_svn_rev_number )
44 set(is_git_svn_rev_exact true)
50 execute_process(COMMAND
51 ${git_executable} show-ref --abbrev --hash --head HEAD
52 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
54 RESULT_VARIABLE git_result
55 OUTPUT_VARIABLE git_output)
56 if( git_result EQUAL 0 AND NOT is_git_svn_rev_exact )
57 string(STRIP "${git_output}" git_ref_id)
58 set(result "${result}${git_svn_rev}-${git_ref_id}")
60 set(result "${result}${git_svn_rev}")
64 set(${VERS} ${result} PARENT_SCOPE)
65 endfunction(add_version_info_from_vcs)