#!/usr/bin/env bash

set -eo pipefail

sbtver="1.7.1"

sbtjar="sbt-launch-$sbtver.jar"

sbtsha128="468efdd45baf58dbb575f9b4369c5234f8cd54ba"

sbtrepo="https://repo1.maven.org/maven2/org/scala-sbt/sbt-launch"

if [ ! -f "sbt-launch.jar" ]; then

echo "downloading $PWD/$sbtjar" 1>&2

if ! curl --location --silent --fail -o "sbt-launch.jar" "$sbtrepo/$sbtver/$sbtjar"; then

exit 1

fi

fi

checksum=`openssl dgst -sha1 sbt-launch.jar | awk '{ print $2 }'`

if [ "$checksum" != $sbtsha128 ]; then

echo "bad $PWD/sbt-launch.jar. delete $PWD/sbt-launch.jar and run $0 again."

exit 1

fi

[ -f ~/.sbtconfig ] && . ~/.sbtconfig

java -ea \

$SBT_OPTS \

$JAVA_OPTS \

-jar "sbt-launch.jar" "$@"