mirror of
https://github.com/triqs/dft_tools
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80 lines
2.7 KiB
CMake
80 lines
2.7 KiB
CMake
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#
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#Find a Git SCM client.
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#
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#GIT_FOUND - True if Git was found.
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#GIT_EXECUTABLE - Path to the git binary.
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#GIT_VERSION - Version of found git binary.
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#
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#If Git is found, then following function(s) are defined:
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#GIT_TREE_INFO( DIR PREFIX )
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# Extracts info from given tree.
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# Arguments:
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# DIR - Where the git tree is.
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# PREFIX - A prefix for defined variables.
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# Defined variables:
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# ${PREFIX}_HASH - A hash of HEAD revision.
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# ${PREFIX}_HASH_SHORT - An abbreviation of the hash.
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#
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IF( GIT_EXECUTABLE )
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# Already in cache, be silent
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SET( Git_FIND_QUIETLY TRUE )
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ENDIF( GIT_EXECUTABLE )
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FIND_PROGRAM( GIT_EXECUTABLE git
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DOC "Path to the git binary." )
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# handle the QUIETLY and REQUIRED arguments and set GIT_FOUND to TRUE if
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# all listed variables are TRUE
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INCLUDE( FindPackageHandleStandardArgs )
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FIND_PACKAGE_HANDLE_STANDARD_ARGS( Git DEFAULT_MSG GIT_EXECUTABLE )
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MARK_AS_ADVANCED( GIT_EXECUTABLE GIT_VERSION )
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IF( GIT_FOUND )
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EXECUTE_PROCESS( COMMAND "${GIT_EXECUTABLE}" --version
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OUTPUT_VARIABLE GIT_VERSION
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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STRING( REPLACE "git version " "" GIT_VERSION
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"${GIT_VERSION}" )
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FUNCTION( GIT_TREE_INFO DIR PREFIX )
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EXECUTE_PROCESS( COMMAND "${GIT_EXECUTABLE}" rev-parse HEAD
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WORKING_DIRECTORY "${DIR}"
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RESULT_VARIABLE GIT_RESULT
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OUTPUT_VARIABLE "${PREFIX}_HASH"
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ERROR_VARIABLE GIT_ERROR
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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IF( NOT ${GIT_RESULT} EQUAL 0 )
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MESSAGE( STATUS "This is not a git clone" )
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#MESSAGE( STATUS " in more details : ... command '${GIT_EXECUTABLE} rev-parse HEAD' failed with following output:\n ..... ${GIT_ERROR}" )
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ENDIF( NOT ${GIT_RESULT} EQUAL 0 )
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EXECUTE_PROCESS( COMMAND "${GIT_EXECUTABLE}" rev-parse --short HEAD
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WORKING_DIRECTORY "${DIR}"
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RESULT_VARIABLE GIT_RESULT
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OUTPUT_VARIABLE "${PREFIX}_HASH_SHORT"
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ERROR_VARIABLE GIT_ERROR
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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IF( NOT ${GIT_RESULT} EQUAL 0 )
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#MESSAGE( STATUS " Not a git clone" )
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#MESSAGE( SEND_ERROR "Command '${GIT_EXECUTABLE} rev-parse --short HEAD' failed with following output:\n${GIT_ERROR}" )
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ENDIF( NOT ${GIT_RESULT} EQUAL 0 )
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EXECUTE_PROCESS( COMMAND "${GIT_EXECUTABLE}" rev-parse --abbrev-ref HEAD
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#EXECUTE_PROCESS( COMMAND "${GIT_EXECUTABLE}" branch | grep \\*
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WORKING_DIRECTORY "${DIR}"
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RESULT_VARIABLE GIT_RESULT
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OUTPUT_VARIABLE "${PREFIX}_BRANCHES"
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ERROR_VARIABLE GIT_ERROR
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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SET( "${PREFIX}_HASH" "${${PREFIX}_HASH}" PARENT_SCOPE )
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SET( "${PREFIX}_HASH_SHORT" "${${PREFIX}_HASH_SHORT}" PARENT_SCOPE )
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SET( "${PREFIX}_BRANCHES" "${${PREFIX}_BRANCHES}" PARENT_SCOPE )
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ENDFUNCTION( GIT_TREE_INFO )
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ENDIF( GIT_FOUND )
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