aheinecke@533: # The module defines the following variables:
aheinecke@533: #   HG_EXECUTABLE - path to mercurial command line client (hg)
aheinecke@533: #   HG_FOUND - true if the command line client was found
aheinecke@533: #   HG_VERSION_STRING - the version of mercurial found
aheinecke@533: # Example usage:
aheinecke@533: #   find_package(Hg)
aheinecke@533: #   if(HG_FOUND)
aheinecke@533: #     message("hg found: ${HG_EXECUTABLE}")
aheinecke@533: #   endif()
aheinecke@533: 
aheinecke@533: #=============================================================================
aheinecke@533: # Copyright 2010-2012 Kitware, Inc.
aheinecke@533: # Copyright 2012      Rolf Eike Beer <eike@sf-mail.de>
aheinecke@533: #
aheinecke@533: # Distributed under the OSI-approved BSD License (the "License");
aheinecke@533: # see accompanying file Copyright.txt for details.
aheinecke@533: #
aheinecke@533: # This software is distributed WITHOUT ANY WARRANTY; without even the
aheinecke@533: # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
aheinecke@533: # See the License for more information.
aheinecke@533: #=============================================================================
aheinecke@533: # (To distribute this file outside of CMake, substitute the full
aheinecke@533: #  License text for the above reference.)
aheinecke@533: 
aheinecke@533: find_program(HG_EXECUTABLE
aheinecke@533:   NAMES hg
aheinecke@533:   PATH_SUFFIXES Mercurial
aheinecke@533:   DOC "hg command line client"
aheinecke@533:   )
aheinecke@533: mark_as_advanced(HG_EXECUTABLE)
aheinecke@533: 
aheinecke@533: if(HG_EXECUTABLE)
aheinecke@533:   execute_process(COMMAND ${HG_EXECUTABLE} --version
aheinecke@533:                   OUTPUT_VARIABLE hg_version
aheinecke@533:                   ERROR_QUIET
aheinecke@533:                   OUTPUT_STRIP_TRAILING_WHITESPACE)
aheinecke@533:   if(hg_version MATCHES "^Mercurial Distributed SCM \\(version ([0-9][^)]*)\\)")
aheinecke@533:     set(HG_VERSION_STRING "${CMAKE_MATCH_1}")
aheinecke@533:   endif()
aheinecke@533:   unset(hg_version)
aheinecke@533: endif()
aheinecke@533: 
aheinecke@533: # Handle the QUIETLY and REQUIRED arguments and set HG_FOUND to TRUE if
aheinecke@533: # all listed variables are TRUE
aheinecke@535: include(FindPackageHandleStandardArgs)
aheinecke@533: find_package_handle_standard_args(Hg
aheinecke@533:                                   REQUIRED_VARS HG_EXECUTABLE
aheinecke@533:                                   VERSION_VAR HG_VERSION_STRING)