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-rwxr-xr-xsbt/sbt153
1 files changed, 102 insertions, 51 deletions
diff --git a/sbt/sbt b/sbt/sbt
index 8472dce589..3ffa4ed9ab 100755
--- a/sbt/sbt
+++ b/sbt/sbt
@@ -1,51 +1,102 @@
-#!/bin/bash
-
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements. See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# 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=`awk -F "=" '/sbt\\.version/ {print $2}' ./project/build.properties`
-URL1=http://typesafe.artifactoryonline.com/typesafe/ivy-releases/org.scala-sbt/sbt-launch/${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
-
-# Download sbt launch jar if it hasn't been downloaded yet
-if [ ! -f ${JAR} ]; then
- # Download
- printf "Attempting to fetch sbt\n"
- JAR_DL=${JAR}.part
- if hash curl 2>/dev/null; then
- (curl --progress-bar ${URL1} > ${JAR_DL} || curl --progress-bar ${URL2} > ${JAR_DL}) && mv ${JAR_DL} ${JAR}
- elif hash wget 2>/dev/null; then
- (wget --progress=bar ${URL1} -O ${JAR_DL} || wget --progress=bar ${URL2} -O ${JAR_DL}) && mv ${JAR_DL} ${JAR}
- else
- printf "You do not have curl or wget installed, please install sbt manually from http://www.scala-sbt.org/\n"
- exit -1
- 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 -1
-fi
-printf "Launching sbt from ${JAR}\n"
-java \
- -Xmx1200m -XX:MaxPermSize=350m -XX:ReservedCodeCacheSize=256m \
- -jar ${JAR} \
- "$@"
+#!/usr/bin/env bash
+
+realpath () {
+(
+ TARGET_FILE=$1
+
+ cd $(dirname $TARGET_FILE)
+ TARGET_FILE=$(basename $TARGET_FILE)
+
+ COUNT=0
+ while [ -L "$TARGET_FILE" -a $COUNT -lt 100 ]
+ do
+ TARGET_FILE=$(readlink $TARGET_FILE)
+ cd $(dirname $TARGET_FILE)
+ TARGET_FILE=$(basename $TARGET_FILE)
+ COUNT=$(($COUNT + 1))
+ done
+
+ echo $(pwd -P)/$TARGET_FILE
+)
+}
+
+. $(dirname $(realpath $0))/sbt-launch-lib.bash
+
+
+declare -r noshare_opts="-Dsbt.global.base=project/.sbtboot -Dsbt.boot.directory=project/.boot -Dsbt.ivy.home=project/.ivy"
+declare -r sbt_opts_file=".sbtopts"
+declare -r etc_sbt_opts_file="/etc/sbt/sbtopts"
+
+usage() {
+ cat <<EOM
+Usage: $script_name [options]
+
+ -h | -help print this message
+ -v | -verbose this runner is chattier
+ -d | -debug set sbt log level to debug
+ -no-colors disable ANSI color codes
+ -sbt-create start sbt even if current directory contains no sbt project
+ -sbt-dir <path> path to global settings/plugins directory (default: ~/.sbt)
+ -sbt-boot <path> path to shared boot directory (default: ~/.sbt/boot in 0.11 series)
+ -ivy <path> path to local Ivy repository (default: ~/.ivy2)
+ -mem <integer> set memory options (default: $sbt_mem, which is $(get_mem_opts $sbt_mem))
+ -no-share use all local caches; no sharing
+ -no-global uses global caches, but does not use global ~/.sbt directory.
+ -jvm-debug <port> Turn on JVM debugging, open at the given port.
+ -batch Disable interactive mode
+
+ # sbt version (default: from project/build.properties if present, else latest release)
+ -sbt-version <version> use the specified version of sbt
+ -sbt-jar <path> use the specified jar as the sbt launcher
+ -sbt-rc use an RC version of sbt
+ -sbt-snapshot use a snapshot version of sbt
+
+ # java version (default: java from PATH, currently $(java -version 2>&1 | grep version))
+ -java-home <path> alternate JAVA_HOME
+
+ # jvm options and output control
+ JAVA_OPTS environment variable, if unset uses "$java_opts"
+ SBT_OPTS environment variable, if unset uses "$default_sbt_opts"
+ .sbtopts if this file exists in the current directory, it is
+ prepended to the runner args
+ /etc/sbt/sbtopts if this file exists, it is prepended to the runner args
+ -Dkey=val pass -Dkey=val directly to the java runtime
+ -J-X pass option -X directly to the java runtime
+ (-J is stripped)
+ -S-X add -X to sbt's scalacOptions (-J is stripped)
+
+In the case of duplicated or conflicting options, the order above
+shows precedence: JAVA_OPTS lowest, command line options highest.
+EOM
+}
+
+process_my_args () {
+ while [[ $# -gt 0 ]]; do
+ case "$1" in
+ -no-colors) addJava "-Dsbt.log.noformat=true" && shift ;;
+ -no-share) addJava "$noshare_opts" && shift ;;
+ -no-global) addJava "-Dsbt.global.base=$(pwd)/project/.sbtboot" && shift ;;
+ -sbt-boot) require_arg path "$1" "$2" && addJava "-Dsbt.boot.directory=$2" && shift 2 ;;
+ -sbt-dir) require_arg path "$1" "$2" && addJava "-Dsbt.global.base=$2" && shift 2 ;;
+ -debug-inc) addJava "-Dxsbt.inc.debug=true" && shift ;;
+ -batch) exec </dev/null && shift ;;
+
+ -sbt-create) sbt_create=true && shift ;;
+
+ *) addResidual "$1" && shift ;;
+ esac
+ done
+
+ # Now, ensure sbt version is used.
+ [[ "${sbt_version}XXX" != "XXX" ]] && addJava "-Dsbt.version=$sbt_version"
+}
+
+loadConfigFile() {
+ cat "$1" | sed '/^\#/d'
+}
+
+# if sbtopts files exist, prepend their contents to $@ so it can be processed by this runner
+[[ -f "$etc_sbt_opts_file" ]] && set -- $(loadConfigFile "$etc_sbt_opts_file") "$@"
+[[ -f "$sbt_opts_file" ]] && set -- $(loadConfigFile "$sbt_opts_file") "$@"
+
+run "$@"