Added sbt launcher
This commit is contained in:
Pavel Kachalouski
BIN
bin/sbt-launch.jar
Normal file
BIN
bin/sbt-launch.jar
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Binary file not shown.
177
sbt
Executable file
177
sbt
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#!/usr/bin/env bash
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### ------------------------------- ###
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### Helper methods for BASH scripts ###
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### ------------------------------- ###
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realpath () {
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(
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TARGET_FILE="$1"
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FIX_CYGPATH="$2"
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cd "$(dirname "$TARGET_FILE")"
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TARGET_FILE=$(basename "$TARGET_FILE")
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COUNT=0
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while [ -L "$TARGET_FILE" -a $COUNT -lt 100 ]
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do
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TARGET_FILE=$(readlink "$TARGET_FILE")
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cd "$(dirname "$TARGET_FILE")"
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TARGET_FILE=$(basename "$TARGET_FILE")
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COUNT=$(($COUNT + 1))
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done
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# make sure we grab the actual windows path, instead of cygwin's path.
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if [[ "x$FIX_CYGPATH" != "x" ]]; then
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echo "$(cygwinpath "$(pwd -P)/$TARGET_FILE")"
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else
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echo "$(pwd -P)/$TARGET_FILE"
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fi
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)
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}
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# Uses uname to detect if we're in the odd cygwin environment.
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is_cygwin() {
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local os=$(uname -s)
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case "$os" in
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CYGWIN*) return 0 ;;
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MINGW*) return 0 ;;
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MSYS*) return 0 ;;
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*) return 1 ;;
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esac
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}
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# TODO - Use nicer bash-isms here.
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CYGWIN_FLAG=$(if is_cygwin; then echo true; else echo false; fi)
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# This can fix cygwin style /cygdrive paths so we get the
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# windows style paths.
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cygwinpath() {
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local file="$1"
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if [[ "$CYGWIN_FLAG" == "true" ]]; then
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echo $(cygpath -w $file)
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else
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echo $file
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fi
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}
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. "$(dirname "$(realpath "$0")")/sbt-launch-lib.bash"
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declare -r noshare_opts="-Dsbt.global.base=project/.sbtboot -Dsbt.boot.directory=project/.boot -Dsbt.ivy.home=project/.ivy"
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declare -r sbt_opts_file=".sbtopts"
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declare -r etc_sbt_opts_file="/etc/sbt/sbtopts"
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declare -r dist_sbt_opts_file="${sbt_home}/conf/sbtopts"
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declare -r win_sbt_opts_file="${sbt_home}/conf/sbtconfig.txt"
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usage() {
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cat <<EOM
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Usage: `basename "$0"` [options]
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-h | -help print this message
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-v | -verbose this runner is chattier
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-d | -debug set sbt log level to debug
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-no-colors disable ANSI color codes
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-sbt-create start sbt even if current directory contains no sbt project
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-sbt-dir <path> path to global settings/plugins directory (default: ~/.sbt)
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-sbt-boot <path> path to shared boot directory (default: ~/.sbt/boot in 0.11 series)
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-ivy <path> path to local Ivy repository (default: ~/.ivy2)
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-mem <integer> set memory options (default: $sbt_default_mem, which is $(get_mem_opts))
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-no-share use all local caches; no sharing
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-no-global uses global caches, but does not use global ~/.sbt directory.
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-jvm-debug <port> Turn on JVM debugging, open at the given port.
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-batch Disable interactive mode
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# sbt version (default: from project/build.properties if present, else latest release)
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-sbt-version <version> use the specified version of sbt
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-sbt-jar <path> use the specified jar as the sbt launcher
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-sbt-rc use an RC version of sbt
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-sbt-snapshot use a snapshot version of sbt
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# java version (default: java from PATH, currently $(java -version 2>&1 | grep version))
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-java-home <path> alternate JAVA_HOME
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# jvm options and output control
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JAVA_OPTS environment variable, if unset uses "$java_opts"
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.jvmopts if this file exists in the current directory, its contents
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are appended to JAVA_OPTS
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SBT_OPTS environment variable, if unset uses "$default_sbt_opts"
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.sbtopts if this file exists in the current directory, its contents
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are prepended to the runner args
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/etc/sbt/sbtopts if this file exists, it is prepended to the runner args
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-Dkey=val pass -Dkey=val directly to the java runtime
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-J-X pass option -X directly to the java runtime
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(-J is stripped)
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-S-X add -X to sbt's scalacOptions (-S is stripped)
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In the case of duplicated or conflicting options, the order above
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shows precedence: JAVA_OPTS lowest, command line options highest.
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EOM
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}
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process_my_args () {
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-no-colors) addJava "-Dsbt.log.noformat=true" && shift ;;
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-no-share) addJava "$noshare_opts" && shift ;;
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-no-global) addJava "-Dsbt.global.base=$(pwd)/project/.sbtboot" && shift ;;
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-sbt-boot) require_arg path "$1" "$2" && addJava "-Dsbt.boot.directory=$2" && shift 2 ;;
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-sbt-dir) require_arg path "$1" "$2" && addJava "-Dsbt.global.base=$2" && shift 2 ;;
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-debug-inc) addJava "-Dxsbt.inc.debug=true" && shift ;;
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-batch) exec </dev/null && shift ;;
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-sbt-create) sbt_create=true && shift ;;
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new) sbt_new=true && addResidual "$1" && shift ;;
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*) addResidual "$1" && shift ;;
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esac
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done
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# Now, ensure sbt version is used.
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[[ "${sbt_version}XXX" != "XXX" ]] && addJava "-Dsbt.version=$sbt_version"
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# Confirm a user's intent if the current directory does not look like an sbt
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# top-level directory and neither the -sbt-create option nor the "new"
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# command was given.
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[[ -f ./build.sbt || -d ./project || -n "$sbt_create" || -n "$sbt_new" ]] || {
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echo "[warn] Neither build.sbt nor a 'project' directory in the current directory: $(pwd)"
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while true; do
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echo 'c) continue'
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echo 'q) quit'
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read -p '? ' || exit 1
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case "$REPLY" in
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c|C) break ;;
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q|Q) exit 1 ;;
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esac
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done
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}
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}
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loadConfigFile() {
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# Make sure the last line is read even if it doesn't have a terminating \n
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cat "$1" | sed $'/^\#/d;s/\r$//' | while read -r line || [[ -n "$line" ]]; do
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eval echo $line
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done
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}
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# Here we pull in the default settings configuration.
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[[ -f "$dist_sbt_opts_file" ]] && set -- $(loadConfigFile "$dist_sbt_opts_file") "$@"
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# Here we pull in the global settings configuration.
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[[ -f "$etc_sbt_opts_file" ]] && set -- $(loadConfigFile "$etc_sbt_opts_file") "$@"
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# Pull in the project-level config file, if it exists.
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[[ -f "$sbt_opts_file" ]] && set -- $(loadConfigFile "$sbt_opts_file") "$@"
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# Pull in the project-level java config, if it exists.
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[[ -f ".jvmopts" ]] && export JAVA_OPTS="$JAVA_OPTS $(loadConfigFile .jvmopts)"
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run "$@"
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325
sbt-launch-lib.bash
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325
sbt-launch-lib.bash
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@@ -0,0 +1,325 @@
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#!/usr/bin/env bash
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#
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# A library to simplify using the SBT launcher from other packages.
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# Note: This should be used by tools like giter8/conscript etc.
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# TODO - Should we merge the main SBT script with this library?
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declare -a residual_args
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declare -a java_args
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declare -a scalac_args
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declare -a sbt_commands
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declare java_cmd=java
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declare java_version
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declare init_sbt_version=_to_be_replaced
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declare sbt_default_mem=1024
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declare SCRIPT=$0
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while [ -h "$SCRIPT" ] ; do
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ls=$(ls -ld "$SCRIPT")
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# Drop everything prior to ->
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link=$(expr "$ls" : '.*-> \(.*\)$')
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if expr "$link" : '/.*' > /dev/null; then
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SCRIPT="$link"
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else
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SCRIPT=$(dirname "$SCRIPT")/"$link"
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fi
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done
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declare -r sbt_bin_dir="$(dirname "$SCRIPT")"
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declare -r sbt_home="$(dirname "$sbt_bin_dir")"
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echoerr () {
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echo 1>&2 "$@"
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}
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vlog () {
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[[ $verbose || $debug ]] && echoerr "$@"
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}
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dlog () {
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[[ $debug ]] && echoerr "$@"
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}
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jar_file () {
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echo "$(cygwinpath "${sbt_home}/bin/sbt-launch.jar")"
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}
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acquire_sbt_jar () {
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sbt_jar="$(jar_file)"
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if [[ ! -f "$sbt_jar" ]]; then
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echoerr "Could not find launcher jar: $sbt_jar"
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exit 2
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fi
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}
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rt_export_file () {
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echo "${sbt_bin_dir}/java9-rt-export.jar"
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}
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execRunner () {
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# print the arguments one to a line, quoting any containing spaces
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[[ $verbose || $debug ]] && echo "# Executing command line:" && {
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for arg; do
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if printf "%s\n" "$arg" | grep -q ' '; then
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printf "\"%s\"\n" "$arg"
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else
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printf "%s\n" "$arg"
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fi
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done
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echo ""
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}
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# THis used to be exec, but we loose the ability to re-hook stty then
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# for cygwin... Maybe we should flag the feature here...
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"$@"
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}
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addJava () {
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dlog "[addJava] arg = '$1'"
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java_args=( "${java_args[@]}" "$1" )
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}
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addSbt () {
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dlog "[addSbt] arg = '$1'"
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sbt_commands=( "${sbt_commands[@]}" "$1" )
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}
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addResidual () {
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dlog "[residual] arg = '$1'"
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residual_args=( "${residual_args[@]}" "$1" )
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}
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addDebugger () {
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addJava "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=$1"
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}
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get_mem_opts () {
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# if we detect any of these settings in ${JAVA_OPTS} or ${JAVA_TOOL_OPTIONS} we need to NOT output our settings.
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# The reason is the Xms/Xmx, if they don't line up, cause errors.
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if [[ "${JAVA_OPTS}" == *-Xmx* ]] || [[ "${JAVA_OPTS}" == *-Xms* ]] || [[ "${JAVA_OPTS}" == *-XX:MaxPermSize* ]] || [[ "${JAVA_OPTS}" == *-XX:MaxMetaspaceSize* ]] || [[ "${JAVA_OPTS}" == *-XX:ReservedCodeCacheSize* ]]; then
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echo ""
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elif [[ "${JAVA_TOOL_OPTIONS}" == *-Xmx* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-Xms* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-XX:MaxPermSize* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-XX:MaxMetaspaceSize* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-XX:ReservedCodeCacheSize* ]]; then
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echo ""
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elif [[ "${SBT_OPTS}" == *-Xmx* ]] || [[ "${SBT_OPTS}" == *-Xms* ]] || [[ "${SBT_OPTS}" == *-XX:MaxPermSize* ]] || [[ "${SBT_OPTS}" == *-XX:MaxMetaspaceSize* ]] || [[ "${SBT_OPTS}" == *-XX:ReservedCodeCacheSize* ]]; then
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echo ""
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else
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# a ham-fisted attempt to move some memory settings in concert
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# so they need not be messed around with individually.
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local mem=${1:-$sbt_default_mem}
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local codecache=$(( $mem / 8 ))
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(( $codecache > 128 )) || codecache=128
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(( $codecache < 512 )) || codecache=512
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local class_metadata_size=$(( $codecache * 2 ))
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if [[ -z $java_version ]]; then
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java_version=$(jdk_version)
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fi
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local class_metadata_opt=$((( $java_version < 8 )) && echo "MaxPermSize" || echo "MaxMetaspaceSize")
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local arg_xms=$([[ "${java_args[@]}" == *-Xms* ]] && echo "" || echo "-Xms${mem}m")
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local arg_xmx=$([[ "${java_args[@]}" == *-Xmx* ]] && echo "" || echo "-Xmx${mem}m")
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local arg_rccs=$([[ "${java_args[@]}" == *-XX:ReservedCodeCacheSize* ]] && echo "" || echo "-XX:ReservedCodeCacheSize=${codecache}m")
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local arg_meta=$([[ "${java_args[@]}" == *-XX:${class_metadata_opt}* && ! (( $java_version < 8 )) ]] && echo "" || echo "-XX:${class_metadata_opt}=${class_metadata_size}m")
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echo "${arg_xms} ${arg_xmx} ${arg_rccs} ${arg_meta}"
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fi
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}
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get_gc_opts () {
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local older_than_9=$(( $java_version < 9 ))
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if [[ "$older_than_9" == "1" ]]; then
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# don't need to worry about gc
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echo ""
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elif [[ "${JAVA_OPTS}" =~ Use.*GC ]] || [[ "${JAVA_TOOL_OPTIONS}" =~ Use.*GC ]] || [[ "${SBT_OPTS}" =~ Use.*GC ]] ; then
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# GC arg has been passed in - don't change
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echo ""
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else
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# Java 9+ so revert to old
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echo "-XX:+UseParallelGC"
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fi
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}
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require_arg () {
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local type="$1"
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local opt="$2"
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local arg="$3"
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if [[ -z "$arg" ]] || [[ "${arg:0:1}" == "-" ]]; then
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echo "$opt requires <$type> argument"
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exit 1
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fi
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}
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is_function_defined() {
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declare -f "$1" > /dev/null
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}
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# parses JDK version from the -version output line.
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# 8 for 1.8.0_nn, 9 for 9-ea etc, and "no_java" for undetected
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jdk_version() {
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local result
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local lines=$("$java_cmd" -Xms32M -Xmx32M -version 2>&1 | tr '\r' '\n')
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local IFS=$'\n'
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for line in $lines; do
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if [[ (-z $result) && ($line = *"version \""*) ]]
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then
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local ver=$(echo $line | sed -e 's/.*version "\(.*\)"\(.*\)/\1/; 1q')
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# on macOS sed doesn't support '?'
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if [[ $ver = "1."* ]]
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then
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result=$(echo $ver | sed -e 's/1\.\([0-9]*\)\(.*\)/\1/; 1q')
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else
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result=$(echo $ver | sed -e 's/\([0-9]*\)\(.*\)/\1/; 1q')
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fi
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fi
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done
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if [[ -z $result ]]
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then
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result=no_java
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fi
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echo "$result"
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}
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process_args () {
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-h|-help) usage; exit 1 ;;
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-v|-verbose) verbose=1 && shift ;;
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-d|-debug) debug=1 && addSbt "-debug" && shift ;;
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-ivy) require_arg path "$1" "$2" && addJava "-Dsbt.ivy.home=$2" && shift 2 ;;
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-mem) require_arg integer "$1" "$2" && sbt_mem="$2" && shift 2 ;;
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-jvm-debug) require_arg port "$1" "$2" && addDebugger $2 && shift 2 ;;
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-batch) exec </dev/null && shift ;;
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-sbt-jar) require_arg path "$1" "$2" && sbt_jar="$2" && shift 2 ;;
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-sbt-version) require_arg version "$1" "$2" && sbt_version="$2" && shift 2 ;;
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-java-home) require_arg path "$1" "$2" &&
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java_cmd="$2/bin/java" &&
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export JAVA_HOME="$2" &&
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export JDK_HOME="$2" &&
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export PATH="$2/bin:$PATH" &&
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shift 2 ;;
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"-D*") addJava "$1" && shift ;;
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-J*) addJava "${1:2}" && shift ;;
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||||
*) addResidual "$1" && shift ;;
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esac
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done
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is_function_defined process_my_args && {
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myargs=("${residual_args[@]}")
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residual_args=()
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process_my_args "${myargs[@]}"
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}
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java_version="$(jdk_version)"
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vlog "[process_args] java_version = '$java_version'"
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}
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syncPreloaded() {
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if [[ "$init_sbt_version" == "" ]]; then
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# FIXME: better $init_sbt_version detection
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init_sbt_version="$(ls -1 "$sbt_home/lib/local-preloaded/org.scala-sbt/sbt/")"
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fi
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[[ -f "$HOME/.sbt/preloaded/org.scala-sbt/sbt/$init_sbt_version/jars/sbt.jar" ]] || {
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# lib/local-preloaded exists (This is optional)
|
||||
[[ -d "$sbt_home/lib/local-preloaded/" ]] && {
|
||||
command -v rsync >/dev/null 2>&1 && {
|
||||
mkdir -p "$HOME/.sbt/preloaded"
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||||
rsync -a --ignore-existing "$sbt_home/lib/local-preloaded/" "$HOME/.sbt/preloaded"
|
||||
}
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||||
}
|
||||
}
|
||||
}
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||||
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||||
# Detect that we have java installed.
|
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checkJava() {
|
||||
local required_version="$1"
|
||||
# Now check to see if it's a good enough version
|
||||
local good_enough="$(expr $java_version ">=" $required_version)"
|
||||
if [[ "$java_version" == "" ]]; then
|
||||
echo
|
||||
echo "No Java Development Kit (JDK) installation was detected."
|
||||
echo Please go to http://www.oracle.com/technetwork/java/javase/downloads/ and download.
|
||||
echo
|
||||
exit 1
|
||||
elif [[ "$good_enough" != "1" ]]; then
|
||||
echo
|
||||
echo "The Java Development Kit (JDK) installation you have is not up to date."
|
||||
echo $script_name requires at least version $required_version+, you have
|
||||
echo version $java_version
|
||||
echo
|
||||
echo Please go to http://www.oracle.com/technetwork/java/javase/downloads/ and download
|
||||
echo a valid JDK and install before running $script_name.
|
||||
echo
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
copyRt() {
|
||||
local at_least_9="$(expr $java_version ">=" 9)"
|
||||
if [[ "$at_least_9" == "1" ]]; then
|
||||
rtexport=$(rt_export_file)
|
||||
# The grep for java9-rt-ext- matches the filename prefix printed in Export.java
|
||||
java9_ext=$("$java_cmd" ${JAVA_OPTS} ${SBT_OPTS:-$default_sbt_opts} ${java_args[@]} \
|
||||
-jar "$rtexport" --rt-ext-dir | grep java9-rt-ext-)
|
||||
java9_rt=$(echo "$java9_ext/rt.jar")
|
||||
vlog "[copyRt] java9_rt = '$java9_rt'"
|
||||
if [[ ! -f "$java9_rt" ]]; then
|
||||
echo Copying runtime jar.
|
||||
mkdir -p "$java9_ext"
|
||||
execRunner "$java_cmd" \
|
||||
${JAVA_OPTS} \
|
||||
${SBT_OPTS:-$default_sbt_opts} \
|
||||
${java_args[@]} \
|
||||
-jar "$rtexport" \
|
||||
"${java9_rt}"
|
||||
fi
|
||||
addJava "-Dscala.ext.dirs=${java9_ext}"
|
||||
fi
|
||||
}
|
||||
|
||||
run() {
|
||||
syncPreloaded
|
||||
|
||||
# no jar? download it.
|
||||
[[ -f "$sbt_jar" ]] || acquire_sbt_jar "$sbt_version" || {
|
||||
# still no jar? uh-oh.
|
||||
echo "Download failed. Obtain the sbt-launch.jar manually and place it at $sbt_jar"
|
||||
exit 1
|
||||
}
|
||||
|
||||
# process the combined args, then reset "$@" to the residuals
|
||||
process_args "$@"
|
||||
set -- "${residual_args[@]}"
|
||||
argumentCount=$#
|
||||
|
||||
# TODO - java check should be configurable...
|
||||
checkJava "6"
|
||||
|
||||
# Java 9 support
|
||||
copyRt
|
||||
|
||||
#If we're in cygwin, we should use the windows config, and terminal hacks
|
||||
if [[ "$CYGWIN_FLAG" == "true" ]]; then
|
||||
stty -icanon min 1 -echo > /dev/null 2>&1
|
||||
addJava "-Djline.terminal=jline.UnixTerminal"
|
||||
addJava "-Dsbt.cygwin=true"
|
||||
fi
|
||||
|
||||
# run sbt
|
||||
execRunner "$java_cmd" \
|
||||
$(get_mem_opts $sbt_mem) \
|
||||
$(get_gc_opts) \
|
||||
${JAVA_OPTS} \
|
||||
${SBT_OPTS:-$default_sbt_opts} \
|
||||
${java_args[@]} \
|
||||
-jar "$sbt_jar" \
|
||||
"${sbt_commands[@]}" \
|
||||
"${residual_args[@]}"
|
||||
|
||||
exit_code=$?
|
||||
|
||||
# Clean up the terminal from cygwin hacks.
|
||||
if [[ "$CYGWIN_FLAG" == "true" ]]; then
|
||||
stty icanon echo > /dev/null 2>&1
|
||||
fi
|
||||
exit $exit_code
|
||||
}
|
||||
Reference in New Issue
Block a user