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CMake: fix get_git_head_revision.

This commit is contained in:
levlam 2022-08-14 16:36:21 +03:00
parent bcd89728c3
commit da9f8078b8
1 changed files with 6 additions and 4 deletions
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10
CMake/GetGitRevisionDescription.cmake
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@ -58,10 +58,12 @@ endfunction()
function(get_git_head_revision _refspecvar _hashvar)
_git_find_closest_git_dir("${CMAKE_CURRENT_SOURCE_DIR}" GIT_DIR)
file(RELATIVE_PATH _relative_to_source_dir "${CMAKE_CURRENT_SOURCE_DIR}" "${GIT_DIR}")
if (_relative_to_source_dir MATCHES "^[.][.]")
# We've gone above the CMake root dir.
set(GIT_DIR "")
if (NOT GIT_DIR STREQUAL "")
file(RELATIVE_PATH _relative_to_source_dir "${CMAKE_CURRENT_SOURCE_DIR}" "${GIT_DIR}")
if (_relative_to_source_dir MATCHES "^[.][.]")
# We've gone above the CMake root dir.
set(GIT_DIR "")
endif()
endif()
if (GIT_DIR STREQUAL "")
set(${_refspecvar} "GITDIR-NOTFOUND" PARENT_SCOPE)