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#!/bin/bash
# This script launches sbt for this project. If present it uses the system
# version of sbt. If there is no system version of sbt it attempts to download
# sbt locally.
SBT_VERSION=0.12.4
URL1=http://typesafe.artifactoryonline.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch.jar
URL2=http://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch.jar
JAR=sbt/sbt-launch-${SBT_VERSION}.jar
printf "Checking for system sbt ["
if hash sbt 2>/dev/null; then
printf "FOUND]\n"
# Use System SBT
sbt $@
else
printf "NOT FOUND]\n"
# Download sbt or use already downloaded
if [ ! -d .sbtlib ]; then
mkdir .sbtlib
fi
if [ ! -f ${JAR} ]; then
# Download
printf "Attempting to fetch sbt\n"
if hash curl 2>/dev/null; then
curl --progress-bar ${URL1} > ${JAR} || curl --progress-bar ${URL2} > ${JAR}
elif hash wget 2>/dev/null; then
wget --progress=bar ${URL1} -O ${JAR} || wget --progress=bar ${URL2} -O ${JAR}
else
printf "You do not have curl or wget installed, please install sbt manually from http://www.scala-sbt.org/\n"
exit
fi
fi
if [ ! -f ${JAR} ]; then
# We failed to download
printf "Our attempt to download sbt locally to {$JAR} failed. Please install sbt manually from http://www.scala-sbt.org/\n"
exit
fi
printf "Launching sbt from .sbtlib\n"
java \
-Duser.timezone=UTC \
-Djava.awt.headless=true \
-Dfile.encoding=UTF-8 \
-XX:MaxPermSize=256m \
-Xmx1g \
-noverify \
-jar ${JAR} \
"$@"
fi
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