#!/bin/bash

set -ex

ROOT=$(pwd)

# Function to clean things up if any portion of the script fails.

function cleanup() {

}

trap cleanup EXIT

function usage() {

echo "Sets up new Go version for FIPS support. If you provide the flag -r you can specify a replacement for the openssl-fips backend."

}

replacement=""

while getopts "r:" o; do

case "${o}" in

r)

replacement=${OPTARG}

;;

*)

usage

;;

esac

done

shift $((OPTIND-1))

./scripts/setup-go-submodule.sh "${1}"

# Enter the submodule directory.

cd ./go

ORIGINAL_GIT_SHA=$(git rev-parse HEAD)

echo $replacement

# Build the Go toolchain before applying patches. This allows us to use this toolchain in later steps

# when running `go mod` commands.

pushd ./src

./make.bash

popd

"${ROOT}"/scripts/apply-initial-patch.sh

"${ROOT}"/scripts/create-secondary-patch.sh "${replacement}"

# Clean things up again after we've generated the patch.

git reset --hard "${ORIGINAL_GIT_SHA}"