| # 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 SOURCE_DIR (if provided as an |
| # extra argument, otherwise uses CMAKE_CURRENT_SOURCE_DIR). |
| |
| function(add_version_info_from_vcs VERS) |
| SET(SOURCE_DIR ${ARGV1}) |
| if("${SOURCE_DIR}" STREQUAL "") |
| SET(SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) |
| endif() |
| string(REPLACE "svn" "" result "${${VERS}}") |
| if( EXISTS "${SOURCE_DIR}/.svn" ) |
| set(result "${result}svn") |
| # FindSubversion does not work with symlinks. See PR 8437 |
| if( NOT IS_SYMLINK "${SOURCE_DIR}" ) |
| find_package(Subversion) |
| endif() |
| if( Subversion_FOUND ) |
| subversion_wc_info( ${SOURCE_DIR} Project ) |
| if( Project_WC_REVISION ) |
| set(SVN_REVISION ${Project_WC_REVISION} PARENT_SCOPE) |
| set(result "${result}-r${Project_WC_REVISION}") |
| endif() |
| if( Project_WC_URL ) |
| set(LLVM_REPOSITORY ${Project_WC_URL} PARENT_SCOPE) |
| endif() |
| endif() |
| elseif( EXISTS ${SOURCE_DIR}/.git ) |
| set(result "${result}git") |
| # Try to get a ref-id |
| if( EXISTS ${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 info |
| WORKING_DIRECTORY ${SOURCE_DIR} |
| TIMEOUT 5 |
| RESULT_VARIABLE git_result |
| OUTPUT_VARIABLE git_output) |
| if( git_result EQUAL 0 ) |
| string(REGEX MATCH "URL: ([^ \n]*)" svn_url ${git_output}) |
| if(svn_url) |
| set(LLVM_REPOSITORY ${CMAKE_MATCH_1} PARENT_SCOPE) |
| endif() |
| |
| string(REGEX REPLACE "^(.*\n)?Revision: ([^\n]+).*" |
| "\\2" git_svn_rev_number "${git_output}") |
| 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 ${SOURCE_DIR} |
| TIMEOUT 5 |
| RESULT_VARIABLE git_result |
| OUTPUT_VARIABLE git_output) |
| if( git_result EQUAL 0 ) |
| string(STRIP "${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 ${SOURCE_DIR} |
| TIMEOUT 5 |
| RESULT_VARIABLE git_result |
| OUTPUT_VARIABLE git_output) |
| |
| if( git_result EQUAL 0 AND NOT is_git_svn_rev_exact ) |
| string(STRIP "${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) |