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#.rst:
# FindHg
# ------
#
#
#
# The module defines the following variables:
#
# ::
#
# HG_EXECUTABLE - path to mercurial command line client (hg)
# HG_FOUND - true if the command line client was found
# HG_VERSION_STRING - the version of mercurial found
#
# Example usage:
#
# ::
#
# find_package(Hg)
# if(HG_FOUND)
# message("hg found: ${HG_EXECUTABLE}")
# endif()
#=============================================================================
# Copyright 2010-2012 Kitware, Inc.
# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
find_program(HG_EXECUTABLE
NAMES hg
PATH_SUFFIXES Mercurial
DOC "hg command line client"
)
mark_as_advanced(HG_EXECUTABLE)
if(HG_EXECUTABLE)
execute_process(COMMAND ${HG_EXECUTABLE} --version
OUTPUT_VARIABLE hg_version
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(hg_version MATCHES "^Mercurial Distributed SCM \\(version ([0-9][^)]*)\\)")
set(HG_VERSION_STRING "${CMAKE_MATCH_1}")
endif()
unset(hg_version)
endif()
# Handle the QUIETLY and REQUIRED arguments and set HG_FOUND to TRUE if
# all listed variables are TRUE
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(Hg
REQUIRED_VARS HG_EXECUTABLE
VERSION_VAR HG_VERSION_STRING)
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