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Make GetSVN.cmake do its VCS queries with native CMake code. 

This lets the queries work on Windows as well as Linux.

This does mean make and cmake aren't using the same scripts to do the
queries (again), but at least GetSVN.cmake understands git and git-svn
as well as svn now.

llvm-svn: 223425
This commit is contained in:
Paul Robinson 2014-12-05 00:50:15 +00:00
parent 3124ed4b23
commit 56a31a304d
1 changed files with 70 additions and 5 deletions
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75
llvm/cmake/modules/GetSVN.cmake
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@ -19,13 +19,78 @@ get_filename_component(LLVM_DIR "${LLVM_DIR}" PATH)
# Handle strange terminals
set(ENV{TERM} "dumb")
macro(get_source_info_svn path revision repository)
# FindSubversion does not work with symlinks. See PR 8437
if (NOT IS_SYMLINK "${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)
execute_process(COMMAND "${LLVM_DIR}/utils/GetSourceVersion" "${path}"
OUTPUT_VARIABLE revision)
get_source_info("${path}" revision repository)
string(STRIP "${revision}" revision)
execute_process(COMMAND "${LLVM_DIR}/utils/GetRepositoryPath" "${path}"
OUTPUT_VARIABLE repository
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(STRIP "${repository}" repository)
file(APPEND "${HEADER_FILE}.txt"
"#define ${name}_REVISION \"${revision}\"\n")