diff --git a/bin/sbt-launch.jar b/bin/sbt-launch.jar new file mode 100644 index 0000000..145e771 Binary files /dev/null and b/bin/sbt-launch.jar differ diff --git a/sbt b/sbt new file mode 100755 index 0000000..cca77be --- /dev/null +++ b/sbt @@ -0,0 +1,177 @@ +#!/usr/bin/env bash + + +### ------------------------------- ### +### Helper methods for BASH scripts ### +### ------------------------------- ### + +realpath () { +( + TARGET_FILE="$1" + FIX_CYGPATH="$2" + + cd "$(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 "$TARGET_FILE") + COUNT=$(($COUNT + 1)) + done + + # make sure we grab the actual windows path, instead of cygwin's path. + if [[ "x$FIX_CYGPATH" != "x" ]]; then + echo "$(cygwinpath "$(pwd -P)/$TARGET_FILE")" + else + echo "$(pwd -P)/$TARGET_FILE" + fi +) +} + + +# Uses uname to detect if we're in the odd cygwin environment. +is_cygwin() { + local os=$(uname -s) + case "$os" in + CYGWIN*) return 0 ;; + MINGW*) return 0 ;; + MSYS*) return 0 ;; + *) return 1 ;; + esac +} + +# TODO - Use nicer bash-isms here. +CYGWIN_FLAG=$(if is_cygwin; then echo true; else echo false; fi) + + +# This can fix cygwin style /cygdrive paths so we get the +# windows style paths. +cygwinpath() { + local file="$1" + if [[ "$CYGWIN_FLAG" == "true" ]]; then + echo $(cygpath -w $file) + else + echo $file + fi +} + +. "$(dirname "$(realpath "$0")")/sbt-launch-lib.bash" + + +declare -r noshare_opts="-Dsbt.global.base=project/.sbtboot -Dsbt.boot.directory=project/.boot -Dsbt.ivy.home=project/.ivy" +declare -r sbt_opts_file=".sbtopts" +declare -r etc_sbt_opts_file="/etc/sbt/sbtopts" +declare -r dist_sbt_opts_file="${sbt_home}/conf/sbtopts" +declare -r win_sbt_opts_file="${sbt_home}/conf/sbtconfig.txt" + +usage() { + cat < path to global settings/plugins directory (default: ~/.sbt) + -sbt-boot path to shared boot directory (default: ~/.sbt/boot in 0.11 series) + -ivy path to local Ivy repository (default: ~/.ivy2) + -mem set memory options (default: $sbt_default_mem, which is $(get_mem_opts)) + -no-share use all local caches; no sharing + -no-global uses global caches, but does not use global ~/.sbt directory. + -jvm-debug 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 use the specified version of sbt + -sbt-jar 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 $(java -version 2>&1 | grep version)) + -java-home alternate JAVA_HOME + + # jvm options and output control + JAVA_OPTS environment variable, if unset uses "$java_opts" + .jvmopts if this file exists in the current directory, its contents + are appended to JAVA_OPTS + SBT_OPTS environment variable, if unset uses "$default_sbt_opts" + .sbtopts if this file exists in the current directory, its contents + are 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 (-S 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=$2" && shift 2 ;; + -debug-inc) addJava "-Dxsbt.inc.debug=true" && shift ;; + -batch) exec + link=$(expr "$ls" : '.*-> \(.*\)$') + if expr "$link" : '/.*' > /dev/null; then + SCRIPT="$link" + else + SCRIPT=$(dirname "$SCRIPT")/"$link" + fi +done +declare -r sbt_bin_dir="$(dirname "$SCRIPT")" +declare -r sbt_home="$(dirname "$sbt_bin_dir")" + +echoerr () { + echo 1>&2 "$@" +} +vlog () { + [[ $verbose || $debug ]] && echoerr "$@" +} +dlog () { + [[ $debug ]] && echoerr "$@" +} + +jar_file () { + echo "$(cygwinpath "${sbt_home}/bin/sbt-launch.jar")" +} + +acquire_sbt_jar () { + sbt_jar="$(jar_file)" + + if [[ ! -f "$sbt_jar" ]]; then + echoerr "Could not find launcher jar: $sbt_jar" + exit 2 + fi +} + +rt_export_file () { + echo "${sbt_bin_dir}/java9-rt-export.jar" +} + +execRunner () { + # print the arguments one to a line, quoting any containing spaces + [[ $verbose || $debug ]] && echo "# Executing command line:" && { + for arg; do + if printf "%s\n" "$arg" | grep -q ' '; then + printf "\"%s\"\n" "$arg" + else + printf "%s\n" "$arg" + fi + done + echo "" + } + + # THis used to be exec, but we loose the ability to re-hook stty then + # for cygwin... Maybe we should flag the feature here... + "$@" +} + +addJava () { + dlog "[addJava] arg = '$1'" + java_args=( "${java_args[@]}" "$1" ) +} +addSbt () { + dlog "[addSbt] arg = '$1'" + sbt_commands=( "${sbt_commands[@]}" "$1" ) +} +addResidual () { + dlog "[residual] arg = '$1'" + residual_args=( "${residual_args[@]}" "$1" ) +} +addDebugger () { + addJava "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=$1" +} + +get_mem_opts () { + # if we detect any of these settings in ${JAVA_OPTS} or ${JAVA_TOOL_OPTIONS} we need to NOT output our settings. + # The reason is the Xms/Xmx, if they don't line up, cause errors. + if [[ "${JAVA_OPTS}" == *-Xmx* ]] || [[ "${JAVA_OPTS}" == *-Xms* ]] || [[ "${JAVA_OPTS}" == *-XX:MaxPermSize* ]] || [[ "${JAVA_OPTS}" == *-XX:MaxMetaspaceSize* ]] || [[ "${JAVA_OPTS}" == *-XX:ReservedCodeCacheSize* ]]; then + echo "" + elif [[ "${JAVA_TOOL_OPTIONS}" == *-Xmx* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-Xms* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-XX:MaxPermSize* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-XX:MaxMetaspaceSize* ]] || [[ "${JAVA_TOOL_OPTIONS}" == *-XX:ReservedCodeCacheSize* ]]; then + echo "" + elif [[ "${SBT_OPTS}" == *-Xmx* ]] || [[ "${SBT_OPTS}" == *-Xms* ]] || [[ "${SBT_OPTS}" == *-XX:MaxPermSize* ]] || [[ "${SBT_OPTS}" == *-XX:MaxMetaspaceSize* ]] || [[ "${SBT_OPTS}" == *-XX:ReservedCodeCacheSize* ]]; then + echo "" + else + # a ham-fisted attempt to move some memory settings in concert + # so they need not be messed around with individually. + local mem=${1:-$sbt_default_mem} + local codecache=$(( $mem / 8 )) + (( $codecache > 128 )) || codecache=128 + (( $codecache < 512 )) || codecache=512 + local class_metadata_size=$(( $codecache * 2 )) + if [[ -z $java_version ]]; then + java_version=$(jdk_version) + fi + local class_metadata_opt=$((( $java_version < 8 )) && echo "MaxPermSize" || echo "MaxMetaspaceSize") + + local arg_xms=$([[ "${java_args[@]}" == *-Xms* ]] && echo "" || echo "-Xms${mem}m") + local arg_xmx=$([[ "${java_args[@]}" == *-Xmx* ]] && echo "" || echo "-Xmx${mem}m") + local arg_rccs=$([[ "${java_args[@]}" == *-XX:ReservedCodeCacheSize* ]] && echo "" || echo "-XX:ReservedCodeCacheSize=${codecache}m") + local arg_meta=$([[ "${java_args[@]}" == *-XX:${class_metadata_opt}* && ! (( $java_version < 8 )) ]] && echo "" || echo "-XX:${class_metadata_opt}=${class_metadata_size}m") + + echo "${arg_xms} ${arg_xmx} ${arg_rccs} ${arg_meta}" + fi +} + +get_gc_opts () { + local older_than_9=$(( $java_version < 9 )) + + if [[ "$older_than_9" == "1" ]]; then + # don't need to worry about gc + echo "" + elif [[ "${JAVA_OPTS}" =~ Use.*GC ]] || [[ "${JAVA_TOOL_OPTIONS}" =~ Use.*GC ]] || [[ "${SBT_OPTS}" =~ Use.*GC ]] ; then + # GC arg has been passed in - don't change + echo "" + else + # Java 9+ so revert to old + echo "-XX:+UseParallelGC" + fi +} + +require_arg () { + local type="$1" + local opt="$2" + local arg="$3" + if [[ -z "$arg" ]] || [[ "${arg:0:1}" == "-" ]]; then + echo "$opt requires <$type> argument" + exit 1 + fi +} + +is_function_defined() { + declare -f "$1" > /dev/null +} + +# parses JDK version from the -version output line. +# 8 for 1.8.0_nn, 9 for 9-ea etc, and "no_java" for undetected +jdk_version() { + local result + local lines=$("$java_cmd" -Xms32M -Xmx32M -version 2>&1 | tr '\r' '\n') + local IFS=$'\n' + for line in $lines; do + if [[ (-z $result) && ($line = *"version \""*) ]] + then + local ver=$(echo $line | sed -e 's/.*version "\(.*\)"\(.*\)/\1/; 1q') + # on macOS sed doesn't support '?' + if [[ $ver = "1."* ]] + then + result=$(echo $ver | sed -e 's/1\.\([0-9]*\)\(.*\)/\1/; 1q') + else + result=$(echo $ver | sed -e 's/\([0-9]*\)\(.*\)/\1/; 1q') + fi + fi + done + if [[ -z $result ]] + then + result=no_java + fi + echo "$result" +} + +process_args () { + while [[ $# -gt 0 ]]; do + case "$1" in + -h|-help) usage; exit 1 ;; + -v|-verbose) verbose=1 && shift ;; + -d|-debug) debug=1 && addSbt "-debug" && shift ;; + + -ivy) require_arg path "$1" "$2" && addJava "-Dsbt.ivy.home=$2" && shift 2 ;; + -mem) require_arg integer "$1" "$2" && sbt_mem="$2" && shift 2 ;; + -jvm-debug) require_arg port "$1" "$2" && addDebugger $2 && shift 2 ;; + -batch) exec /dev/null 2>&1 && { + mkdir -p "$HOME/.sbt/preloaded" + rsync -a --ignore-existing "$sbt_home/lib/local-preloaded/" "$HOME/.sbt/preloaded" + } + } + } +} + +# Detect that we have java installed. +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 +}