• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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
5function(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)
46endfunction(add_version_info_from_vcs)
47