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[cmake] Use FindGit.cmake in external_dependency.cmake, Improve error message on clone failure

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This commit is contained in:
Nils Wentzell 2020-09-09 15:51:00 -04:00
parent 14d30a1a14
commit 5dbd12f165
1 changed files with 11 additions and 2 deletions
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11
deps/external_dependency.cmake vendored
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@ -74,7 +74,16 @@ function(external_dependency)
if(ARG_GIT_TAG)
set(clone_opts --branch ${ARG_GIT_TAG} -c advice.detachedHead=false)
endif()
execute_process(COMMAND git clone ${ARG_GIT_REPO} --depth 1 ${clone_opts} ${src_dir})
if(NOT GIT_EXECUTABLE)
find_package(Git REQUIRED)
endif()
execute_process(COMMAND ${GIT_EXECUTABLE} clone ${ARG_GIT_REPO} --depth 1 ${clone_opts} ${src_dir}
RESULT_VARIABLE clone_failed
ERROR_VARIABLE clone_error
)
if(clone_failed)
message(FATAL_ERROR "Failed to clone sources for dependency ${ARGV0}.\n ${clone_error}")
endif()
endif()
add_subdirectory(${src_dir} ${bin_dir} ${subdir_opts})
else()