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113 lines
4.8 KiB
CMake
113 lines
4.8 KiB
CMake
# - Extract information from a subversion working copy
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# The module defines the following variables:
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# Mercurial_HG_EXECUTABLE - path to hg command line client
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# Mercurial_VERSION_HG - version of hg command line client
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# Mercurial_FOUND - true if the command line client was found
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# MERCURIAL_FOUND - same as Mercurial_FOUND, set for compatiblity reasons
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#
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# The minimum required version of Mercurial can be specified using the
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# standard syntax, e.g. FIND_PACKAGE(Mercurial 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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# Mercurial_WC_INFO(<dir> <var-prefix>)
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# Mercurial_WC_LOG(<dir> <var-prefix>)
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# Mercurial_WC_INFO extracts information of a subversion working copy at
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# a given location. This macro defines the following variables:
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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 `hg info <dir>'
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# Mercurial_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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# <var-prefix>_LAST_CHANGED_LOG - last log of base revision
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# Example usage:
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# FIND_PACKAGE(Mercurial)
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# IF(MERCURIAL_FOUND)
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# Mercurial_WC_INFO(${PROJECT_SOURCE_DIR} Project)
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# MESSAGE("Current revision is ${Project_WC_REVISION}")
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# Mercurial_WC_LOG(${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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#=============================================================================
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# Copyright 2006-2009 Kitware, Inc.
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# Copyright 2006 Tristan Carel
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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FIND_PROGRAM(Mercurial_HG_EXECUTABLE hg
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DOC "mercurial command line client"
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PATHS
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/opt/local/bin
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"C:/Program Files/TortoiseHg"
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"C:/Program Files (x86)/TortoiseHg"
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)
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MARK_AS_ADVANCED(Mercurial_HG_EXECUTABLE)
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IF(Mercurial_HG_EXECUTABLE)
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EXECUTE_PROCESS(COMMAND ${Mercurial_HG_EXECUTABLE} --version
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OUTPUT_VARIABLE Mercurial_VERSION_HG
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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STRING(REGEX REPLACE ".*version ([\\.0-9]+).*"
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"\\1" Mercurial_VERSION_HG "${Mercurial_VERSION_HG}")
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MACRO(Mercurial_WC_INFO dir prefix)
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EXECUTE_PROCESS(COMMAND ${Mercurial_HG_EXECUTABLE} tip --template "{rev};{node};{tags};{author}"
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WORKING_DIRECTORY ${dir}
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OUTPUT_VARIABLE ${prefix}_WC_INFO
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ERROR_VARIABLE Mercurial_hg_info_error
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RESULT_VARIABLE Mercurial_hg_info_result
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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IF(NOT ${Mercurial_hg_info_result} EQUAL 0)
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MESSAGE(SEND_ERROR "Command \"${Mercurial_HG_EXECUTABLE} tip\" failed with output:\n${Mercurial_hg_info_error}")
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ELSE()
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LIST(LENGTH ${prefix}_WC_INFO _COUNT)
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IF(_COUNT EQUAL 4)
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LIST(GET ${prefix}_WC_INFO 0 ${prefix}_WC_REVISION)
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LIST(GET ${prefix}_WC_INFO 1 ${prefix}_WC_CHANGESET)
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LIST(GET ${prefix}_WC_INFO 2 ${prefix}_WC_BRANCH)
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LIST(GET ${prefix}_WC_INFO 3 ${prefix}_WC_LAST_CHANGED_AUTHOR)
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ELSE()
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MESSAGE(STATUS "Bad output from HG")
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SET(${prefix}_WC_REVISION "unknown")
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SET(${prefix}_WC_CHANGESET "unknown")
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SET(${prefix}_WC_BRANCH "unknown")
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ENDIF()
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ENDIF()
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ENDMACRO()
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MACRO(Mercurial_WC_LOG dir prefix)
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# This macro can block if the certificate is not signed:
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# hg ask you to accept the certificate and wait for your answer
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# This macro requires a hg server network access (Internet most of the time)
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# and can also be slow since it access the hg server
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EXECUTE_PROCESS(COMMAND
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${Mercurial_HG_EXECUTABLE} --non-interactive log -r BASE ${dir}
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OUTPUT_VARIABLE ${prefix}_LAST_CHANGED_LOG
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ERROR_VARIABLE Mercurial_hg_log_error
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RESULT_VARIABLE Mercurial_hg_log_result
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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IF(NOT ${Mercurial_hg_log_result} EQUAL 0)
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MESSAGE(SEND_ERROR "Command \"${Mercurial_HG_EXECUTABLE} log -r BASE ${dir}\" failed with output:\n${Mercurial_hg_log_error}")
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ENDIF()
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ENDMACRO()
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ENDIF()
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Mercurial DEFAULT_MSG Mercurial_HG_EXECUTABLE)
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