| # CMake project that writes Subversion revision information to a header. |
| # |
| # Input variables: |
| # FIRST_SOURCE_DIR - First source directory |
| # FIRST_NAME - The macro prefix for the first repository's info |
| # SECOND_SOURCE_DIR - Second source directory (opt) |
| # SECOND_NAME - The macro prefix for the second repository's info (opt) |
| # HEADER_FILE - The header file to write |
| # |
| # The output header will contain macros FIRST_REPOSITORY and FIRST_REVISION, |
| # and SECOND_REPOSITORY and SECOND_REVISION if requested, where "FIRST" and |
| # "SECOND" are substituted with the names specified in the input variables. |
| |
| # Chop off cmake/modules/GetSVN.cmake |
| get_filename_component(LLVM_DIR "${CMAKE_SCRIPT_MODE_FILE}" PATH) |
| get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH) |
| get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH) |
| |
| # Handle strange terminals |
| set(ENV{TERM} "dumb") |
| |
| macro(get_source_info_svn path revision repository) |
| # If svn is a bat file, find_program(Subversion) doesn't find it. |
| # Explicitly search for that here; Subversion_SVN_EXECUTABLE will override |
| # the find_program call in FindSubversion.cmake. |
| find_program(Subversion_SVN_EXECUTABLE NAMES svn svn.bat) |
| |
| # FindSubversion does not work with symlinks. See PR 8437 |
| if (NOT IS_SYMLINK "${path}") |
| find_package(Subversion) |
| endif() |
| if (Subversion_FOUND) |
| subversion_wc_info( ${path} Project ) |
| if (Project_WC_REVISION) |
| set(${revision} ${Project_WC_REVISION} PARENT_SCOPE) |
| endif() |
| if (Project_WC_URL) |
| set(${repository} ${Project_WC_URL} PARENT_SCOPE) |
| endif() |
| endif() |
| endmacro() |
| |
| macro(get_source_info_git_svn path revision repository) |
| find_program(git_executable NAMES git git.exe git.cmd) |
| if (git_executable) |
| execute_process(COMMAND ${git_executable} svn info |
| WORKING_DIRECTORY ${path} |
| TIMEOUT 5 |
| RESULT_VARIABLE git_result |
| OUTPUT_VARIABLE git_output) |
| if (git_result EQUAL 0) |
| string(REGEX REPLACE "^(.*\n)?Revision: ([^\n]+).*" |
| "\\2" git_svn_rev "${git_output}") |
| set(${revision} ${git_svn_rev} PARENT_SCOPE) |
| string(REGEX REPLACE "^(.*\n)?URL: ([^\n]+).*" |
| "\\2" git_url "${git_output}") |
| set(${repository} ${git_url} PARENT_SCOPE) |
| endif() |
| endif() |
| endmacro() |
| |
| macro(get_source_info_git path revision repository) |
| find_program(git_executable NAMES git git.exe git.cmd) |
| if (git_executable) |
| execute_process(COMMAND ${git_executable} log -1 --pretty=format:%H |
| WORKING_DIRECTORY ${path} |
| TIMEOUT 5 |
| RESULT_VARIABLE git_result |
| OUTPUT_VARIABLE git_output) |
| if (git_result EQUAL 0) |
| set(${revision} ${git_output} PARENT_SCOPE) |
| endif() |
| execute_process(COMMAND ${git_executable} remote -v |
| WORKING_DIRECTORY ${path} |
| TIMEOUT 5 |
| RESULT_VARIABLE git_result |
| OUTPUT_VARIABLE git_output) |
| if (git_result EQUAL 0) |
| string(REGEX REPLACE "^(.*\n)?[^ \t]+[ \t]+([^ \t\n]+)[ \t]+\\(fetch\\).*" |
| "\\2" git_url "${git_output}") |
| set(${repository} "${git_url}" PARENT_SCOPE) |
| endif() |
| endif() |
| endmacro() |
| |
| function(get_source_info path revision repository) |
| if (EXISTS "${path}/.svn") |
| get_source_info_svn("${path}" revision repository) |
| elseif (EXISTS "${path}/.git/svn") |
| get_source_info_git_svn("${path}" revision repository) |
| elseif (EXISTS "${path}/.git") |
| get_source_info_git("${path}" revision repository) |
| endif() |
| endfunction() |
| |
| function(append_info name path) |
| get_source_info("${path}" revision repository) |
| string(STRIP "${revision}" revision) |
| string(STRIP "${repository}" repository) |
| file(APPEND "${HEADER_FILE}.txt" |
| "#define ${name}_REVISION \"${revision}\"\n") |
| file(APPEND "${HEADER_FILE}.txt" |
| "#define ${name}_REPOSITORY \"${repository}\"\n") |
| endfunction() |
| |
| append_info(${FIRST_NAME} "${FIRST_SOURCE_DIR}") |
| if(DEFINED SECOND_SOURCE_DIR) |
| append_info(${SECOND_NAME} "${SECOND_SOURCE_DIR}") |
| endif() |
| |
| # Copy the file only if it has changed. |
| execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different |
| "${HEADER_FILE}.txt" "${HEADER_FILE}") |
| file(REMOVE "${HEADER_FILE}.txt") |
| |