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#!/usr/bin/env bash
### ------------------------------- ###
### Helper methods for BASH scripts ###
### ------------------------------- ###
java_version=2.0
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 "$TARGET_FILE")
COUNT=$(($COUNT + 1))
done
if [ "$TARGET_FILE" == "." -o "$TARGET_FILE" == ".." ]; then
cd "$TARGET_FILE"
TARGET_FILEPATH=
else
TARGET_FILEPATH=/$TARGET_FILE
fi
# make sure we grab the actual windows path, instead of cygwin's path.
if ! is_cygwin; then
echo "$(pwd -P)/$TARGET_FILE"
else
echo $(cygwinpath "$(pwd -P)/$TARGET_FILE")
fi
)
}
# TODO - Do we need to detect msys?
# Uses uname to detect if we're in the odd cygwin environment.
is_cygwin() {
local os=$(uname -s)
case "$os" in
CYGWIN*) return 0 ;;
*) return 1 ;;
esac
}
# This can fix cygwin style /cygdrive paths so we get the
# windows style paths.
cygwinpath() {
local file="$1"
if is_cygwin; then
echo $(cygpath -w $file)
else
echo $file
fi
}
# Make something URI friendly
make_url() {
url="$1"
local nospaces=${url// /%20}
if is_cygwin; then
echo "/${nospaces//\\//}"
else
echo "$nospaces"
fi
}
# Detect if we should use JAVA_HOME or just try PATH.
get_java_cmd() {
if [[ -n "$JAVA_HOME" ]] && [[ -x "$JAVA_HOME/bin/java" ]]; then
echo "$JAVA_HOME/bin/java"
else
echo "java"
fi
}
echoerr () {
echo 1>&2 "$@"
}
vlog () {
[[ $verbose || $debug ]] && echoerr "$@"
}
dlog () {
[[ $debug ]] && echoerr "$@"
}
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 ""
}
exec "$@"
}
addJava () {
dlog "[addJava] arg = '$1'"
java_args=( "${java_args[@]}" "$1" )
}
addApp () {
dlog "[addApp] arg = '$1'"
sbt_commands=( "${app_commands[@]}" "$1" )
}
addResidual () {
dlog "[residual] arg = '$1'"
residual_args=( "${residual_args[@]}" "$1" )
}
addDebugger () {
addJava "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=$1"
}
addConfigOpts () {
dlog "[addConfigOpts] arg = '$*'"
for item in $*
do
addJava "$item"
done
}
# a ham-fisted attempt to move some memory settings in concert
# so they need not be messed around with individually.
get_mem_opts () {
local mem=${1:-1024}
local meta=$(( $mem / 4 ))
(( $meta > 256 )) || meta=256
(( $meta < 1024 )) || meta=1024
# default is to set memory options but this can be overridden by code section below
memopts="-Xms${mem}m -Xmx${mem}m"
if [[ "${java_version}" > "1.8" ]]; then
extmemopts="-XX:MetaspaceSize=64m -XX:MaxMetaspaceSize=${meta}m"
else
# extmemopts="-XX:PermSize=64m -XX:MaxPermSize=${meta}m"
fi
if [[ "${java_opts}" == *-Xmx* ]] || [[ "${java_opts}" == *-Xms* ]] || [[ "${java_opts}" == *-XX:MaxPermSize* ]] || [[ "${java_opts}" == *-XX:ReservedCodeCacheSize* ]] || [[ "${java_opts}" == *-XX:MaxMetaspaceSize* ]]; then
# if we detect any of these settings in ${java_opts} we need to NOT output our settings.
# The reason is the Xms/Xmx, if they don't line up, cause errors.
memopts=""
extmemopts=""
fi
echo "${memopts} ${extmemopts}"
}
require_arg () {
local type="$1"
local opt="$2"
local arg="$3"
if [[ -z "$arg" ]] || [[ "${arg:0:1}" == "-" ]]; then
die "$opt requires <$type> argument"
fi
}
is_function_defined() {
declare -f "$1" > /dev/null
}
# If we're *not* running in a terminal, and we don't have any arguments, then we need to add the 'ui' parameter
detect_terminal_for_ui() {
[[ ! -t 0 ]] && [[ "${#residual_args}" == "0" ]] && {
addResidual "ui"
}
# SPECIAL TEST FOR MAC
[[ "$(uname)" == "Darwin" ]] && [[ "$HOME" == "$PWD" ]] && [[ "${#residual_args}" == "0" ]] && {
echo "Detected MAC OSX launched script...."
echo "Swapping to UI"
addResidual "ui"
}
}
# Processes incoming arguments and places them in appropriate global variables. called by the run method.
process_args () {
while [[ $# -gt 0 ]]; do
case "$1" in
-h|-help) usage; exit 1 ;;
-v|-verbose) verbose=1 && shift ;;
-d|-debug) debug=1 && shift ;;
-mem) require_arg integer "$1" "$2" && app_mem="$2" && shift 2 ;;
-jvm-debug)
if echo "$2" | grep -E ^[0-9]+$ > /dev/null; then
addDebugger "$2" && shift
else
addDebugger 9999
fi
shift ;;
-java-home) require_arg path "$1" "$2" && java_cmd="$2/bin/java" && shift 2 ;;
-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 "${myargs[@]}"
}
}
# Actually runs the script.
run() {
# TODO - check for sane environment
# process the combined args, then reset "$@" to the residuals
process_args "$@"
detect_terminal_for_ui
set -- "${residual_args[@]}"
argumentCount=$#
#check for jline terminal fixes on cygwin
if is_cygwin; then
stty -icanon min 1 -echo > /dev/null 2>&1
addJava "-Djline.terminal=jline.UnixTerminal"
addJava "-Dsbt.cygwin=true"
fi
# run sbt
execRunner "$java_cmd" \
"-Dactivator.home=$(make_url "$activator_home")" \
$(get_mem_opts $app_mem) \
${java_opts[@]} \
${java_args[@]} \
-jar "$app_launcher" \
"${app_commands[@]}" \
"${residual_args[@]}"
local exit_code=$?
if is_cygwin; then
stty icanon echo > /dev/null 2>&1
fi
exit $exit_code
}
# Loads a configuration file full of default command line options for this script.
loadConfigFile() {
cat "$1" | sed '/^\#/d'
}
### ------------------------------- ###
### Start of customized settings ###
### ------------------------------- ###
usage() {
cat <<EOM
Usage: $script_name <command> [options]
Command:
ui Start the Activator UI
new [name] [template-id] Create a new project with [name] using template [template-id]
list-templates Print all available template names
-h | -help Print this message
Options:
-v | -verbose Make this runner chattier
-d | -debug Set sbt log level to debug
-mem <integer> Set memory options (default: $sbt_mem, which is $(get_mem_opts $sbt_mem))
-jvm-debug <port> Turn on JVM debugging, open at the given port.
# java version (default: java from PATH, currently $(java -version 2>&1 | grep version))
-java-home <path> Alternate JAVA_HOME
# jvm options and output control
-Dkey=val Pass -Dkey=val directly to the java runtime
-J-X Pass option -X directly to the java runtime
(-J is stripped)
# environment variables (read from context)
JAVA_OPTS Environment variable, if unset uses ""
SBT_OPTS Environment variable, if unset uses ""
ACTIVATOR_OPTS Environment variable, if unset uses ""
In the case of duplicated or conflicting options, the order above
shows precedence: environment variables lowest, command line options highest.
EOM
}
### ------------------------------- ###
### Main script ###
### ------------------------------- ###
declare -a residual_args
declare -a java_args
declare -a app_commands
declare -r real_script_path="$(realpath "$0")"
declare -r activator_home="$(realpath "$(dirname "$real_script_path")")"
declare -r app_version="1.3.6"
declare -r app_launcher="${activator_home}/activator-launch-${app_version}.jar"
declare -r script_name=activator
java_cmd=$(get_java_cmd)
declare -r java_opts=( "${ACTIVATOR_OPTS[@]}" "${SBT_OPTS[@]}" "${JAVA_OPTS[@]}" "${java_opts[@]}" )
userhome="$HOME"
if is_cygwin; then
# cygwin sets home to something f-d up, set to real windows homedir
userhome="$USERPROFILE"
fi
declare -r activator_user_home_dir="${userhome}/.activator"
declare -r java_opts_config_home="${activator_user_home_dir}/activatorconfig.txt"
declare -r java_opts_config_version="${activator_user_home_dir}/${app_version}/activatorconfig.txt"
# Now check to see if it's a good enough version
declare -r java_version=$("$java_cmd" -version 2>&1 | awk -F '"' '/version/ {print $2}')
if [[ "$java_version" == "" ]]; then
echo
echo No java installations was detected.
echo Please go to http://www.java.com/getjava/ and download
echo
exit 1
elif [[ ! "$java_version" > "1.6" ]]; then
echo
echo The java installation you have is not up to date
echo Activator requires at least version 1.6+, you have
echo version $java_version
echo
echo Please go to http://www.java.com/getjava/ and download
echo a valid Java Runtime and install before running Activator.
echo
exit 1
fi
# if configuration files exist, prepend their contents to the java args so it can be processed by this runner
# a "versioned" config trumps one on the top level
if [[ -f "$java_opts_config_version" ]]; then
addConfigOpts $(loadConfigFile "$java_opts_config_version")
elif [[ -f "$java_opts_config_home" ]]; then
addConfigOpts $(loadConfigFile "$java_opts_config_home")
fi
run "$@"