/3rd_party/llvm/cmake/modules/VersionFromVCS.cmake
https://code.google.com/p/softart/ · CMake · 72 lines · 64 code · 2 blank · 6 comment · 10 complexity · a8e0dae14b6c9866b0ad699d9a300003 MD5 · raw file
- # 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)