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Allow overriding SCM version info

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If the build is from a non-repository, these functions will return empty. This
patch allows using defines to CMake to set version info such as
-DGIT_BRANCH=master.
This commit is contained in:
Andrew Udvare 2021-12-20 19:13:07 -05:00
parent e242f16986
commit caf38725ae
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2 changed files with 14 additions and 3 deletions
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12
CMakeModules/GenerateSCMRev.cmake
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@ -11,9 +11,15 @@ find_package(Git QUIET PATHS "${GIT_EXECUTABLE}")
# generate git/build information
include(GetGitRevisionDescription)
get_git_head_revision(GIT_REF_SPEC GIT_REV)
git_describe(GIT_DESC --always --long --dirty)
git_branch_name(GIT_BRANCH)
if(NOT GIT_REF_SPEC)
get_git_head_revision(GIT_REF_SPEC GIT_REV)
endif()
if(NOT GIT_DESC)
git_describe(GIT_DESC --always --long --dirty)
endif()
if (NOT GIT_BRANCH)
git_branch_name(GIT_BRANCH)
endif()
get_timestamp(BUILD_DATE)
# Generate cpp with Git revision from template