optimize performance of the build in a fresh clone

don't fetch the complete history of all submodules, it's rarely needed

optimize performance of the build in a fresh clone
don't fetch the complete history of all submodules, it's rarely needed
8cf58921 · Sergei Golubchik · cceb965a · 8cf58921
Commit 8cf58921 authored May 22, 2020 by Sergei Golubchik
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cmake/submodules.cmake cmake/submodules.cmake +2 -2

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--- a/cmake/submodules.cmake
+++ b/cmake/submodules.cmake
@@ -19,11 +19,11 @@ IF(GIT_EXECUTABLE AND EXISTS "${CMAKE_SOURCE_DIR}/.git")
    SET(update_result 0)
  ELSEIF (cmake_update_submodules MATCHES force)
    MESSAGE(STATUS "Updating submodules (forced)")
-    EXECUTE_PROCESS(COMMAND "${GIT_EXECUTABLE}" submodule update --init --force
+    EXECUTE_PROCESS(COMMAND "${GIT_EXECUTABLE}" submodule update --init --force --depth=1
                    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
                    RESULT_VARIABLE update_result)
  ELSEIF (cmake_update_submodules MATCHES yes)
-    EXECUTE_PROCESS(COMMAND "${GIT_EXECUTABLE}" submodule update --init
+    EXECUTE_PROCESS(COMMAND "${GIT_EXECUTABLE}" submodule update --init --depth=1
                    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
                    RESULT_VARIABLE update_result)
  ELSE()