# 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) | |
set(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( ${CMAKE_CURRENT_SOURCE_DIR} Project ) | |
if( Project_WC_REVISION ) | |
set(result "${result}-r${Project_WC_REVISION}") | |
endif() | |
endif() | |
elseif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git ) | |
set(result "${result}git") | |
# Try to get a ref-id | |
find_program(git_executable NAMES git git.exe git.cmd) | |
if( git_executable ) | |
execute_process(COMMAND ${git_executable} show-ref HEAD | |
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} | |
TIMEOUT 5 | |
RESULT_VARIABLE git_result | |
OUTPUT_VARIABLE git_output) | |
if( git_result EQUAL 0 ) | |
string(SUBSTRING ${git_output} 0 7 git_ref_id) | |
set(result "${result}-${git_ref_id}") | |
else() | |
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 ${git_output}) | |
set(result "${result}-svn-${git_svn_rev}") | |
endif() | |
endif() | |
endif() | |
endif() | |
set(${VERS} ${result} PARENT_SCOPE) | |
endfunction(add_version_info_from_vcs) |