35 lines
994 B
CMake
35 lines
994 B
CMake
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# SPDX-License-Identifier: Apache-2.0
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include_guard(GLOBAL)
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find_package(Git QUIET)
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# Usage:
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# git_describe(<dir> <output>)
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#
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# Helper function to get a short GIT desciption associated with a directory.
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# OUTPUT is set to the output of `git describe --abbrev=12 --always` as run
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# from DIR.
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#
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function(git_describe DIR OUTPUT)
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if(GIT_FOUND)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} describe --abbrev=12 --always
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WORKING_DIRECTORY ${DIR}
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OUTPUT_VARIABLE DESCRIPTION
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_STRIP_TRAILING_WHITESPACE
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ERROR_VARIABLE stderr
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RESULT_VARIABLE return_code
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)
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if(return_code)
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message(STATUS "git describe failed: ${stderr}")
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elseif(NOT "${stderr}" STREQUAL "")
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message(STATUS "git describe warned: ${stderr}")
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else()
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# Save output
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set(${OUTPUT} ${DESCRIPTION} PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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