#!/bin/sh

. "$(dirname ${BASH_SOURCE:-$0})/config.inc"

git submodule update --init 2>/dev/null || :

if ! docker image inspect lucet:latest >/dev/null; then

echo "A lucet image is not present"

exit 1

fi

echo "Building lucet-toolchain:latest"

docker build -t lucet-toolchain:latest -f Dockerfile.toolchain .

echo "Starting the lucet container"

docker run --name=lucet --detach --mount type=bind,src="$(cd $(dirname ${0}); pwd),target=/lucet" \

lucet:latest /bin/sleep 99999999 > /dev/null

echo "Creating a container from the lucet-toolchain:latest image"

docker run --name=lucet-toolchain --detach --mount type=bind,src="$(

cd $(dirname ${0}) || exit 1

pwd -P

),target=/lucet" \

lucet-toolchain:latest /bin/sleep 99999999 >/dev/null

docker exec lucet tar c -pf - -C /opt lucet |

docker exec -i lucet-toolchain tar x -pf - -C /opt

docker exec lucet-toolchain mkdir /opt/wasi-sysroot

docker exec lucet tar c -pf - -C /opt/wasi-sdk/share/sysroot . |

docker exec -i lucet-toolchain tar x -pf - -C /opt/wasi-sysroot

docker exec lucet-toolchain sh -c 'rm -f /opt/lucet/bin/wasm32-*'

docker exec -i lucet-toolchain sh -c 'cat > /opt/lucet/bin/wasm32-wasi-clang; chmod 755 /opt/lucet/bin/wasm32-wasi-clang' <<EOT

#! /bin/sh

exec "clang" -fno-trapping-math -mthread-model single -W,--no-threads --target="wasm32-wasi" --sysroot="/opt/wasi-sysroot" "\$@"

EOT

docker exec -i lucet-toolchain sh -c 'cat > /opt/lucet/bin/wasm32-wasi-clang++; chmod 755 /opt/lucet/bin/wasm32-wasi-clang++' <<EOT

#! /bin/sh

exec "clang++" -fno-trapping-math -mthread-model single -W,--no-threads --target="wasm32-wasi" --sysroot="/opt/wasi-sysroot" "\$@"

EOT

docker container commit lucet-toolchain lucet-toolchain:latest &&

docker tag lucet-toolchain:latest fastly/lucet-toolchain:latest

echo "Cleaning"

docker kill lucet

docker rm lucet

docker kill lucet-toolchain

docker rm lucet-toolchain

echo "Done"