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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
148 lines
5.4 KiB
CMake
148 lines
5.4 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindSubversion
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# --------------
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#
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# Extract information from a subversion working copy
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#
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# The module defines the following variables:
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#
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# ::
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#
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# Subversion_SVN_EXECUTABLE - path to svn command line client
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# Subversion_VERSION_SVN - version of svn command line client
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# Subversion_FOUND - true if the command line client was found
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# SUBVERSION_FOUND - same as Subversion_FOUND, set for compatibility reasons
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#
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#
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#
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# The minimum required version of Subversion can be specified using the
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# standard syntax, e.g. find_package(Subversion 1.4)
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#
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# If the command line client executable is found two macros are defined:
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#
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# ::
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#
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# Subversion_WC_INFO(<dir> <var-prefix>)
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# Subversion_WC_LOG(<dir> <var-prefix>)
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#
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# Subversion_WC_INFO extracts information of a subversion working copy
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# at a given location. This macro defines the following variables:
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#
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# ::
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#
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# <var-prefix>_WC_URL - url of the repository (at <dir>)
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# <var-prefix>_WC_ROOT - root url of the repository
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# <var-prefix>_WC_REVISION - current revision
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# <var-prefix>_WC_LAST_CHANGED_AUTHOR - author of last commit
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# <var-prefix>_WC_LAST_CHANGED_DATE - date of last commit
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# <var-prefix>_WC_LAST_CHANGED_REV - revision of last commit
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# <var-prefix>_WC_INFO - output of command `svn info <dir>'
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#
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# Subversion_WC_LOG retrieves the log message of the base revision of a
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# subversion working copy at a given location. This macro defines the
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# variable:
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#
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# ::
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#
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# <var-prefix>_LAST_CHANGED_LOG - last log of base revision
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#
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# Example usage:
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#
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# ::
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#
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# find_package(Subversion)
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# if(SUBVERSION_FOUND)
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# Subversion_WC_INFO(${PROJECT_SOURCE_DIR} Project)
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# message("Current revision is ${Project_WC_REVISION}")
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# Subversion_WC_LOG(${PROJECT_SOURCE_DIR} Project)
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# message("Last changed log is ${Project_LAST_CHANGED_LOG}")
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# endif()
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find_program(Subversion_SVN_EXECUTABLE svn
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PATHS
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[HKEY_LOCAL_MACHINE\\Software\\TortoiseSVN;Directory]/bin
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DOC "subversion command line client")
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mark_as_advanced(Subversion_SVN_EXECUTABLE)
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if(Subversion_SVN_EXECUTABLE)
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# the subversion commands should be executed with the C locale, otherwise
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# the message (which are parsed) may be translated, Alex
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set(_Subversion_SAVED_LC_ALL "$ENV{LC_ALL}")
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set(ENV{LC_ALL} C)
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execute_process(COMMAND ${Subversion_SVN_EXECUTABLE} --version
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OUTPUT_VARIABLE Subversion_VERSION_SVN
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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# restore the previous LC_ALL
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set(ENV{LC_ALL} ${_Subversion_SAVED_LC_ALL})
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string(REGEX REPLACE "^(.*\n)?svn, version ([.0-9]+).*"
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"\\2" Subversion_VERSION_SVN "${Subversion_VERSION_SVN}")
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macro(Subversion_WC_INFO dir prefix)
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# the subversion commands should be executed with the C locale, otherwise
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# the message (which are parsed) may be translated, Alex
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set(_Subversion_SAVED_LC_ALL "$ENV{LC_ALL}")
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set(ENV{LC_ALL} C)
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execute_process(COMMAND ${Subversion_SVN_EXECUTABLE} info ${dir}
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OUTPUT_VARIABLE ${prefix}_WC_INFO
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ERROR_VARIABLE Subversion_svn_info_error
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RESULT_VARIABLE Subversion_svn_info_result
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT ${Subversion_svn_info_result} EQUAL 0)
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message(SEND_ERROR "Command \"${Subversion_SVN_EXECUTABLE} info ${dir}\" failed with output:\n${Subversion_svn_info_error}")
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else()
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string(REGEX REPLACE "^(.*\n)?URL: ([^\n]+).*"
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"\\2" ${prefix}_WC_URL "${${prefix}_WC_INFO}")
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string(REGEX REPLACE "^(.*\n)?Repository Root: ([^\n]+).*"
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"\\2" ${prefix}_WC_ROOT "${${prefix}_WC_INFO}")
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string(REGEX REPLACE "^(.*\n)?Revision: ([^\n]+).*"
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"\\2" ${prefix}_WC_REVISION "${${prefix}_WC_INFO}")
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string(REGEX REPLACE "^(.*\n)?Last Changed Author: ([^\n]+).*"
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"\\2" ${prefix}_WC_LAST_CHANGED_AUTHOR "${${prefix}_WC_INFO}")
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string(REGEX REPLACE "^(.*\n)?Last Changed Rev: ([^\n]+).*"
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"\\2" ${prefix}_WC_LAST_CHANGED_REV "${${prefix}_WC_INFO}")
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string(REGEX REPLACE "^(.*\n)?Last Changed Date: ([^\n]+).*"
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"\\2" ${prefix}_WC_LAST_CHANGED_DATE "${${prefix}_WC_INFO}")
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endif()
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# restore the previous LC_ALL
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set(ENV{LC_ALL} ${_Subversion_SAVED_LC_ALL})
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endmacro()
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macro(Subversion_WC_LOG dir prefix)
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# This macro can block if the certificate is not signed:
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# svn ask you to accept the certificate and wait for your answer
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# This macro requires a svn server network access (Internet most of the time)
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# and can also be slow since it access the svn server
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execute_process(COMMAND
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${Subversion_SVN_EXECUTABLE} --non-interactive log -r BASE ${dir}
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OUTPUT_VARIABLE ${prefix}_LAST_CHANGED_LOG
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ERROR_VARIABLE Subversion_svn_log_error
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RESULT_VARIABLE Subversion_svn_log_result
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT ${Subversion_svn_log_result} EQUAL 0)
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message(SEND_ERROR "Command \"${Subversion_SVN_EXECUTABLE} log -r BASE ${dir}\" failed with output:\n${Subversion_svn_log_error}")
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endif()
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endmacro()
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Subversion REQUIRED_VARS Subversion_SVN_EXECUTABLE
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VERSION_VAR Subversion_VERSION_SVN )
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# for compatibility
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set(Subversion_FOUND ${SUBVERSION_FOUND})
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set(Subversion_SVN_FOUND ${SUBVERSION_FOUND})
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