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+`git clone --recursive` — из-за налчия submodule, https://git-scm.com/book/ru/v2/%D0%98%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D1%8B-Git-%D0%9F%D0%BE%D0%B4%D0%BC%D0%BE%D0%B4%D1%83%D0%BB%D0%B8