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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindSubversion
# --------------
#
# Extract information from a subversion working copy
#
# The module defines the following variables:
#
# ::
#
# Subversion_SVN_EXECUTABLE - path to svn command line client
# Subversion_VERSION_SVN - version of svn command line client
# Subversion_FOUND - true if the command line client was found
# SUBVERSION_FOUND - same as Subversion_FOUND, set for compatibility reasons
#
#
#
# The minimum required version of Subversion can be specified using the
# standard syntax, e.g. ``find_package(Subversion 1.4)``.
#
# If the command line client executable is found two macros are defined:
#
# ::
#
# Subversion_WC_INFO(<dir> <var-prefix> [IGNORE_SVN_FAILURE])
# Subversion_WC_LOG(<dir> <var-prefix>)
#
# ``Subversion_WC_INFO`` extracts information of a subversion working copy at a
# given location. This macro defines the following variables if running
# Subversion's ``info`` command on ``<dir>`` succeeds; otherwise a
# ``SEND_ERROR`` message is generated. The error can be ignored by providing the
# ``IGNORE_SVN_FAILURE`` option, which causes these variables to remain
# undefined.
#
# ::
#
# <var-prefix>_WC_URL - url of the repository (at <dir>)
# <var-prefix>_WC_ROOT - root url of the repository
# <var-prefix>_WC_REVISION - current revision
# <var-prefix>_WC_LAST_CHANGED_AUTHOR - author of last commit
# <var-prefix>_WC_LAST_CHANGED_DATE - date of last commit
# <var-prefix>_WC_LAST_CHANGED_REV - revision of last commit
# <var-prefix>_WC_INFO - output of command `svn info <dir>'
#
# ``Subversion_WC_LOG`` retrieves the log message of the base revision of a
# subversion working copy at a given location. This macro defines the variable:
#
# ::
#
# <var-prefix>_LAST_CHANGED_LOG - last log of base revision
#
# Example usage:
#
# ::
#
# find_package(Subversion)
# if(SUBVERSION_FOUND)
# Subversion_WC_INFO(${PROJECT_SOURCE_DIR} Project)
# message("Current revision is ${Project_WC_REVISION}")
# Subversion_WC_LOG(${PROJECT_SOURCE_DIR} Project)
# message("Last changed log is ${Project_LAST_CHANGED_LOG}")
# endif()
find_program(Subversion_SVN_EXECUTABLE svn
PATHS
[HKEY_LOCAL_MACHINE\\Software\\TortoiseSVN;Directory]/bin
DOC "subversion command line client")
mark_as_advanced(Subversion_SVN_EXECUTABLE)
if(Subversion_SVN_EXECUTABLE)
# the subversion commands should be executed with the C locale, otherwise
# the message (which are parsed) may be translated, Alex
set(_Subversion_SAVED_LC_ALL "$ENV{LC_ALL}")
set(ENV{LC_ALL} C)
execute_process(COMMAND ${Subversion_SVN_EXECUTABLE} --version
OUTPUT_VARIABLE Subversion_VERSION_SVN
OUTPUT_STRIP_TRAILING_WHITESPACE)
# restore the previous LC_ALL
set(ENV{LC_ALL} ${_Subversion_SAVED_LC_ALL})
string(REGEX REPLACE "^(.*\n)?svn, version ([.0-9]+).*"
"\\2" Subversion_VERSION_SVN "${Subversion_VERSION_SVN}")
macro(Subversion_WC_INFO dir prefix)
cmake_parse_arguments(
"Subversion_WC_INFO"
"IGNORE_SVN_FAILURE"
"" ""
${ARGN}
)
# the subversion commands should be executed with the C locale, otherwise
# the message (which are parsed) may be translated, Alex
set(_Subversion_SAVED_LC_ALL "$ENV{LC_ALL}")
set(ENV{LC_ALL} C)
execute_process(COMMAND ${Subversion_SVN_EXECUTABLE} info ${dir}
OUTPUT_VARIABLE ${prefix}_WC_INFO
ERROR_VARIABLE Subversion_svn_info_error
RESULT_VARIABLE Subversion_svn_info_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(${Subversion_svn_info_result} EQUAL 0)
string(REGEX REPLACE "^(.*\n)?URL: ([^\n]+).*"
"\\2" ${prefix}_WC_URL "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Repository Root: ([^\n]+).*"
"\\2" ${prefix}_WC_ROOT "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Revision: ([^\n]+).*"
"\\2" ${prefix}_WC_REVISION "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Author: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_AUTHOR "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Rev: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_REV "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Date: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_DATE "${${prefix}_WC_INFO}")
elseif(NOT Subversion_WC_INFO_IGNORE_SVN_FAILURE)
message(SEND_ERROR "Command \"${Subversion_SVN_EXECUTABLE} info ${dir}\" failed with output:\n${Subversion_svn_info_error}")
endif()
# restore the previous LC_ALL
set(ENV{LC_ALL} ${_Subversion_SAVED_LC_ALL})
endmacro()
macro(Subversion_WC_LOG dir prefix)
# This macro can block if the certificate is not signed:
# svn ask you to accept the certificate and wait for your answer
# This macro requires a svn server network access (Internet most of the time)
# and can also be slow since it access the svn server
execute_process(COMMAND
${Subversion_SVN_EXECUTABLE} --non-interactive log -r BASE ${dir}
OUTPUT_VARIABLE ${prefix}_LAST_CHANGED_LOG
ERROR_VARIABLE Subversion_svn_log_error
RESULT_VARIABLE Subversion_svn_log_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT ${Subversion_svn_log_result} EQUAL 0)
message(SEND_ERROR "Command \"${Subversion_SVN_EXECUTABLE} log -r BASE ${dir}\" failed with output:\n${Subversion_svn_log_error}")
endif()
endmacro()
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Subversion REQUIRED_VARS Subversion_SVN_EXECUTABLE
VERSION_VAR Subversion_VERSION_SVN )
# for compatibility
set(Subversion_FOUND ${SUBVERSION_FOUND})
set(Subversion_SVN_FOUND ${SUBVERSION_FOUND})
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