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Create a CMake git module for a git_describe function. Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be>pull/77806/head
2 changed files with 40 additions and 17 deletions
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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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