blatt01/sbt-dist/bin/sbt

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2024-04-19 15:52:01 +02:00
#!/usr/bin/env bash
set +e
declare -a residual_args
declare -a java_args
declare -a scalac_args
declare -a sbt_commands
declare -a sbt_options
declare -a print_version
declare -a print_sbt_version
declare -a print_sbt_script_version
declare java_cmd=java
declare java_version
declare init_sbt_version=_to_be_replaced
declare sbt_default_mem=1024
declare -r default_sbt_opts=""
declare -r default_java_opts="-Dfile.encoding=UTF-8"
declare sbt_verbose=
declare sbt_debug=
### ------------------------------- ###
### Helper methods for BASH scripts ###
### ------------------------------- ###
# Bash reimplementation of realpath to return the absolute path
realpathish () {
(
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 $file
fi
}
declare -r sbt_bin_dir="$(dirname "$(realpathish "$0")")"
declare -r sbt_home="$(dirname "$sbt_bin_dir")"
echoerr () {
echo 1>&2 "$@"
}
vlog () {
[[ $sbt_verbose || $sbt_debug ]] && echoerr "$@"
}
dlog () {
[[ $sbt_debug ]] && echoerr "$@"
}
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 should be called only once to give up control to java
execRunner () {
# print the arguments one to a line, quoting any containing spaces
[[ $sbt_verbose || $sbt_debug ]] && echo "# Executing command line:" && {
for arg; do
if printf "%s\n" "$arg" | grep -q ' '; then
printf "\"%s\"\n" "$arg"
else
printf "%s\n" "$arg"
fi
done
echo ""
}
if [[ "$CYGWIN_FLAG" == "true" ]]; then
# In cygwin we loose the ability to re-hook stty if exec is used
# https://github.com/sbt/sbt-launcher-package/issues/53
"$@"
else
exec "$@"
fi
}
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"
}
addMemory () {
dlog "[addMemory] arg = '$1'"
# evict memory related options
local xs=("${java_args[@]}")
java_args=()
for i in "${xs[@]}"; do
if ! [[ "${i}" == *-Xmx* ]] && ! [[ "${i}" == *-Xms* ]] && ! [[ "${i}" == *-XX:MaxPermSize* ]] && ! [[ "${i}" == *-XX:MaxMetaspaceSize* ]] && ! [[ "${i}" == *-XX:ReservedCodeCacheSize* ]]; then
java_args+=("${i}")
fi
done
local ys=("${sbt_options[@]}")
sbt_options=()
for i in "${ys[@]}"; do
if ! [[ "${i}" == *-Xmx* ]] && ! [[ "${i}" == *-Xms* ]] && ! [[ "${i}" == *-XX:MaxPermSize* ]] && ! [[ "${i}" == *-XX:MaxMetaspaceSize* ]] && ! [[ "${i}" == *-XX:ReservedCodeCacheSize* ]]; then
sbt_options+=("${i}")
fi
done
# a ham-fisted attempt to move some memory settings in concert
local mem=$1
local codecache=$(( $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
addJava "-Xms${mem}m"
addJava "-Xmx${mem}m"
addJava "-Xss4M"
addJava "-XX:ReservedCodeCacheSize=${codecache}m"
(( $java_version >= 8 )) || addJava "-XX:MaxPermSize=${class_metadata_size}m"
}
addDefaultMemory() {
# 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_args[@]}" == *-Xmx* ]] || \
[[ "${java_args[@]}" == *-Xms* ]] || \
[[ "${java_args[@]}" == *-XX:+UseCGroupMemoryLimitForHeap* ]] || \
[[ "${java_args[@]}" == *-XX:MaxRAM* ]] || \
[[ "${java_args[@]}" == *-XX:InitialRAMPercentage* ]] || \
[[ "${java_args[@]}" == *-XX:MaxRAMPercentage* ]] || \
[[ "${java_args[@]}" == *-XX:MinRAMPercentage* ]]; then
:
elif [[ "${JAVA_TOOL_OPTIONS}" == *-Xmx* ]] || \
[[ "${JAVA_TOOL_OPTIONS}" == *-Xms* ]] || \
[[ "${JAVA_TOOL_OPTIONS}" == *-XX:+UseCGroupMemoryLimitForHeap* ]] || \
[[ "${JAVA_TOOL_OPTIONS}" == *-XX:MaxRAM* ]] || \
[[ "${JAVA_TOOL_OPTIONS}" == *-XX:InitialRAMPercentage* ]] || \
[[ "${JAVA_TOOL_OPTIONS}" == *-XX:MaxRAMPercentage* ]] || \
[[ "${JAVA_TOOL_OPTIONS}" == *-XX:MinRAMPercentage* ]] ; then
:
elif [[ "${sbt_options[@]}" == *-Xmx* ]] || \
[[ "${sbt_options[@]}" == *-Xms* ]] || \
[[ "${sbt_options[@]}" == *-XX:+UseCGroupMemoryLimitForHeap* ]] || \
[[ "${sbt_options[@]}" == *-XX:MaxRAM* ]] || \
[[ "${sbt_options[@]}" == *-XX:InitialRAMPercentage* ]] || \
[[ "${sbt_options[@]}" == *-XX:MaxRAMPercentage* ]] || \
[[ "${sbt_options[@]}" == *-XX:MinRAMPercentage* ]] ; then
:
else
addMemory $sbt_default_mem
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"
}
# Extracts the preloaded directory from either -Dsbt.preloaded or -Dsbt.global.base
# properties by looking at:
# - _JAVA_OPTIONS environment variable,
# - SBT_OPTS environment variable,
# - JAVA_OPTS environment variable and
# - properties set by command-line options
# in that order. The last one will be chosen such that `sbt.preloaded` is
# always preferred over `sbt.global.base`.
getPreloaded() {
local -a _java_options_array
local -a sbt_opts_array
local -a java_opts_array
read -a _java_options_array <<< "$_JAVA_OPTIONS"
read -a sbt_opts_array <<< "$SBT_OPTS"
read -a java_opts_array <<< "$JAVA_OPTS"
local args_to_check=(
"${_java_options_array[@]}"
"${sbt_opts_array[@]}"
"${java_opts_array[@]}"
"${java_args[@]}")
local via_global_base="$HOME/.sbt/preloaded"
local via_explicit=""
for opt in "${args_to_check[@]}"; do
if [[ "$opt" == -Dsbt.preloaded=* ]]; then
via_explicit="${opt#-Dsbt.preloaded=}"
elif [[ "$opt" == -Dsbt.global.base=* ]]; then
via_global_base="${opt#-Dsbt.global.base=}/preloaded"
fi
done
echo "${via_explicit:-${via_global_base}}"
}
syncPreloaded() {
local source_preloaded="$sbt_home/lib/local-preloaded/"
local target_preloaded="$(getPreloaded)"
if [[ "$init_sbt_version" == "" ]]; then
# FIXME: better $init_sbt_version detection
init_sbt_version="$(ls -1 "$source_preloaded/org/scala-sbt/sbt/")"
fi
[[ -f "$target_preloaded/org/scala-sbt/sbt/$init_sbt_version/" ]] || {
# lib/local-preloaded exists (This is optional)
[[ -d "$source_preloaded" ]] && {
command -v rsync >/dev/null 2>&1 && {
mkdir -p "$target_preloaded"
rsync --recursive --links --perms --times --ignore-existing "$source_preloaded" "$target_preloaded" || true
}
}
}
}
# 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=$(rt_export_file)
# The grep for java9-rt-ext- matches the filename prefix printed in Export.java
java9_ext=$("$java_cmd" "${sbt_options[@]}" "${java_args[@]}" \
-jar "$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 "$java9_ext"
"$java_cmd" \
"${sbt_options[@]}" \
"${java_args[@]}" \
-jar "$rtexport" \
"${java9_rt}"
fi
addJava "-Dscala.ext.dirs=${java9_ext}"
fi
}
run() {
java_args=($JAVA_OPTS)
sbt_options0=(${SBT_OPTS:-$default_sbt_opts})
# Split SBT_OPTS into options/commands
miniscript=$(map_args "${sbt_options0[@]}") && eval "${miniscript/options/sbt_options}" && \
eval "${miniscript/commands/sbt_additional_commands}"
# Combine command line options/commands and commands from SBT_OPTS
miniscript=$(map_args "$@") && eval "${miniscript/options/cli_options}" && eval "${miniscript/commands/cli_commands}"
args1=( "${cli_options[@]}" "${cli_commands[@]}" "${sbt_additional_commands[@]}" )
# process the combined args, then reset "$@" to the residuals
process_args "${args1[@]}"
vlog "[sbt_options] $(declare -p sbt_options)"
addDefaultMemory
set -- "${residual_args[@]}"
argumentCount=$#
# Copy preloaded repo to user's preloaded directory
syncPreloaded
# no jar? download it.
[[ -f "$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 $sbt_jar"
exit 1
}
# TODO - java check should be configurable...
checkJava "6"
# Java 9 support
copyRt
# If we're in cygwin, we should use the windows config, and terminal hacks
if [[ "$CYGWIN_FLAG" == "true" ]]; then #"
stty -icanon min 1 -echo > /dev/null 2>&1
addJava "-Djline.terminal=jline.UnixTerminal"
addJava "-Dsbt.cygwin=true"
fi
if [[ $print_sbt_version ]]; then
execRunner "$java_cmd" -jar "$sbt_jar" "sbtVersion" | tail -1 | sed -e 's/\[info\]//g'
elif [[ $print_sbt_script_version ]]; then
echo "$init_sbt_version"
elif [[ $print_version ]]; then
execRunner "$java_cmd" -jar "$sbt_jar" "sbtVersion" | tail -1 | sed -e 's/\[info\]/sbt version in this project:/g'
echo "sbt script version: $init_sbt_version"
else
# run sbt
execRunner "$java_cmd" \
"${java_args[@]}" \
"${sbt_options[@]}" \
-jar "$sbt_jar" \
"${sbt_commands[@]}" \
"${residual_args[@]}"
fi
exit_code=$?
# Clean up the terminal from cygwin hacks.
if [[ "$CYGWIN_FLAG" == "true" ]]; then #"
stty icanon echo > /dev/null 2>&1
fi
exit $exit_code
}
declare -r noshare_opts="-Dsbt.global.base=project/.sbtboot -Dsbt.boot.directory=project/.boot -Dsbt.ivy.home=project/.ivy"
declare -r sbt_opts_file=".sbtopts"
declare -r etc_sbt_opts_file="/etc/sbt/sbtopts"
# this allows /etc/sbt/sbtopts location to be changed
declare -r etc_file="${SBT_ETC_FILE:-$etc_sbt_opts_file}"
declare -r dist_sbt_opts_file="${sbt_home}/conf/sbtopts"
declare -r win_sbt_opts_file="${sbt_home}/conf/sbtconfig.txt"
usage() {
cat <<EOM
Usage: `basename "$0"` [options]
-h | --help print this message
-v | --verbose this runner is chattier
-V | --version print sbt version information
--numeric-version print the numeric sbt version (sbt sbtVersion)
--script-version print the version of sbt script
-d | --debug set sbt log level to debug
-debug-inc | --debug-inc
enable extra debugging for the incremental debugger
--no-colors disable ANSI color codes
--color=auto|always|true|false|never
enable or disable ANSI color codes (sbt 1.3 and above)
--supershell=auto|always|true|false|never
enable or disable supershell (sbt 1.3 and above)
--traces generate Trace Event report on shutdown (sbt 1.3 and above)
--timings display task timings report on shutdown
--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_default_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
# java version (default: java from PATH, currently $(java -version 2>&1 | grep version))
--java-home <path> alternate JAVA_HOME
# jvm options and output control
JAVA_OPTS environment variable, if unset uses "$default_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
-batch|--batch) exec </dev/null && shift ;; #>
-sbt-create|--sbt-create) sbt_create=true && shift ;;
new) sbt_new=true && addResidual "$1" && shift ;;
*) addResidual "$1" && shift ;;
esac
done
# Now, ensure sbt version is used.
[[ "${sbt_version}XXX" != "XXX" ]] && addJava "-Dsbt.version=$sbt_version"
# Confirm a user's intent if the current directory does not look like an sbt
# top-level directory and neither the -sbt-create option nor the "new"
# command was given.
[[ -f ./build.sbt || -d ./project || -n "$sbt_create" || -n "$sbt_new" ]] || {
echo "[warn] Neither build.sbt nor a 'project' directory in the current directory: $(pwd)"
while true; do
echo 'c) continue'
echo 'q) quit'
read -p '? ' || exit 1
case "$REPLY" in
c|C) break ;;
q|Q) exit 1 ;;
esac
done
}
}
## map over argument array. this is used to process both command line arguments and SBT_OPTS
map_args () {
local options=()
local commands=()
while [[ $# -gt 0 ]]; do
case "$1" in
-no-colors|--no-colors) options=( "${options[@]}" "-Dsbt.log.noformat=true" ) && shift ;;
-timings|--timings) options=( "${options[@]}" "-Dsbt.task.timings=true" "-Dsbt.task.timings.on.shutdown=true" ) && shift ;;
-traces|--traces) options=( "${options[@]}" "-Dsbt.traces=true" ) && shift ;;
--supershell=*) options=( "${options[@]}" "-Dsbt.supershell=${1:13}" ) && shift ;;
-supershell=*) options=( "${options[@]}" "-Dsbt.supershell=${1:12}" ) && shift ;;
--color=*) options=( "${options[@]}" "-Dsbt.color=${1:8}" ) && shift ;;
-color=*) options=( "${options[@]}" "-Dsbt.color=${1:7}" ) && shift ;;
-no-share|--no-share) options=( "${options[@]}" "$noshare_opts" ) && shift ;;
-no-global|--no-global) options=( "${options[@]}" "-Dsbt.global.base=$(pwd)/project/.sbtboot" ) && shift ;;
-sbt-boot|--sbt-boot) require_arg path "$1" "$2" && options=( "${options[@]}" "-Dsbt.boot.directory=$2" ) && shift 2 ;;
-sbt-dir|--sbt-dir) require_arg path "$1" "$2" && options=( "${options[@]}" "-Dsbt.global.base=$2" ) && shift 2 ;;
-debug|--debug) commands=( "${commands[@]}" "-debug" ) && shift ;;
-debug-inc|--debug-inc) options=( "${options[@]}" "-Dxsbt.inc.debug=true" ) && shift ;;
*) options=( "${options[@]}" "$1" ) && shift ;;
esac
done
declare -p options
declare -p commands
}
process_args () {
while [[ $# -gt 0 ]]; do
case "$1" in
-h|-help|--help) usage; exit 1 ;;
-v|-verbose|--verbose) sbt_verbose=1 && shift ;;
-V|-version|--version) print_version=1 && shift ;;
--numeric-version) print_sbt_version=1 && shift ;;
--script-version) print_sbt_script_version=1 && shift ;;
-d|-debug|--debug) sbt_debug=1 && addSbt "-debug" && shift ;;
-ivy|--ivy) require_arg path "$1" "$2" && addJava "-Dsbt.ivy.home=$2" && shift 2 ;;
-mem|--mem) require_arg integer "$1" "$2" && addMemory "$2" && shift 2 ;;
-jvm-debug|--jvm-debug) require_arg port "$1" "$2" && addDebugger $2 && shift 2 ;;
-batch|--batch) exec </dev/null && shift ;;
-sbt-jar|--sbt-jar) require_arg path "$1" "$2" && sbt_jar="$2" && shift 2 ;;
-sbt-version|--sbt-version) require_arg version "$1" "$2" && sbt_version="$2" && shift 2 ;;
-java-home|--java-home) require_arg path "$1" "$2" &&
java_cmd="$2/bin/java" &&
export JAVA_HOME="$2" &&
export JDK_HOME="$2" &&
export PATH="$2/bin:$PATH" &&
shift 2 ;;
"-D*"|-D*) addJava "$1" && shift ;;
-J*) addJava "${1:2}" && shift ;;
*) addResidual "$1" && shift ;;
esac
done
is_function_defined process_my_args && {
myargs=("${residual_args[@]}")
residual_args=()
process_my_args "${myargs[@]}"
}
java_version="$(jdk_version)"
vlog "[process_args] java_version = '$java_version'"
}
loadConfigFile() {
# Make sure the last line is read even if it doesn't have a terminating \n
cat "$1" | sed $'/^\#/d;s/\r$//' | while read -r line || [[ -n "$line" ]]; do
eval echo $line
done
}
# Here we pull in the default settings configuration.
[[ -f "$dist_sbt_opts_file" ]] && set -- $(loadConfigFile "$dist_sbt_opts_file") "$@"
# Here we pull in the global settings configuration.
[[ -f "$etc_file" ]] && set -- $(loadConfigFile "$etc_file") "$@"
# Pull in the project-level config file, if it exists.
[[ -f "$sbt_opts_file" ]] && set -- $(loadConfigFile "$sbt_opts_file") "$@"
# Pull in the project-level java config, if it exists.
[[ -f ".jvmopts" ]] && export JAVA_OPTS="$JAVA_OPTS $(loadConfigFile .jvmopts)"
# Pull in default JAVA_OPTS
[[ -z "${JAVA_OPTS// }" ]] && export JAVA_OPTS="$default_java_opts"
run "$@"