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Handle git program or .git folder absence (#5878) 

Assume version is 0.0.0.0 in such cases.
This commit is contained in:
Dmitry Volosnykh 2020-05-04 23:23:41 +03:00 committed by GitHub
parent a875d247ad
commit 7e4124d6e6
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1 changed files with 27 additions and 10 deletions
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31
CMake/Version.cmake
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@ -1,11 +1,28 @@
set(VERSION_MAJOR 1)
set(VERSION_MINOR 12)
set(VERSION_PATCH 0)
set(VERSION_COMMIT 0)
find_program(GIT git)
execute_process(
if(GIT)
execute_process(
COMMAND ${GIT} describe
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_DESCRIBE_DIRTY
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" VERSION_COMMIT "${GIT_DESCRIBE_DIRTY}")
RESULT_VARIABLE GIT_DESCRIBE_RESULT
)
if(GIT_DESCRIBE_RESULT EQUAL 0)
string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" VERSION_COMMIT "${GIT_DESCRIBE_DIRTY}")
else()
message(WARNING "git describe failed with exit code: ${GIT_DESCRIBE_RESULT}")
endif()
else()
message(WARNING "git is not found")
endif()
message("Proceeding with version: ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}.${VERSION_COMMIT}")