1 rm -Rf src 2 git clone https://boringssl.googlesource.com/boringssl src 3 cd src 4 git show -s --pretty=%H > ../BORINGSSL_REVISION 5 cd .. 6 rm -Rf src/.git 7 rm -Rf src/fuzz 8 rm -Rf linux-aarch64/ linux-arm/ linux-x86/ linux-x86_64/ mac-x86/ mac-x86_64/ win-x86_64/ win-x86/ 9 python src/util/generate_build_files.py android 10