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@@ -1,7 +1,7 @@
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-#!/usr/bin/env sh
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+#!/bin/sh
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#
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-# Copyright 2015 the original author or authors.
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+# Copyright © 2015-2021 the original authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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@@ -17,67 +17,101 @@
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#
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##############################################################################
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-##
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-## Gradle start up script for UN*X
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-##
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+#
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+# Gradle start up script for POSIX generated by Gradle.
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+#
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+# Important for running:
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+#
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+# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
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+# noncompliant, but you have some other compliant shell such as ksh or
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+# bash, then to run this script, type that shell name before the whole
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+# command line, like:
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+#
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+# ksh Gradle
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+#
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+# Busybox and similar reduced shells will NOT work, because this script
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+# requires all of these POSIX shell features:
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+# * functions;
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+# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
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+# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
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+# * compound commands having a testable exit status, especially «case»;
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+# * various built-in commands including «command», «set», and «ulimit».
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+#
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+# Important for patching:
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+#
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+# (2) This script targets any POSIX shell, so it avoids extensions provided
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+# by Bash, Ksh, etc; in particular arrays are avoided.
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+#
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+# The "traditional" practice of packing multiple parameters into a
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+# space-separated string is a well documented source of bugs and security
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+# problems, so this is (mostly) avoided, by progressively accumulating
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+# options in "$@", and eventually passing that to Java.
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+#
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+# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
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+# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
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+# see the in-line comments for details.
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+#
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+# There are tweaks for specific operating systems such as AIX, CygWin,
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+# Darwin, MinGW, and NonStop.
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+#
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+# (3) This script is generated from the Groovy template
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+# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
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+# within the Gradle project.
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+#
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+# You can find Gradle at https://github.com/gradle/gradle/.
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+#
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##############################################################################
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# Attempt to set APP_HOME
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+
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# Resolve links: $0 may be a link
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-PRG="$0"
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-# Need this for relative symlinks.
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-while [ -h "$PRG" ] ; do
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- ls=`ls -ld "$PRG"`
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- link=`expr "$ls" : '.*-> \(.*\)$'`
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- if expr "$link" : '/.*' > /dev/null; then
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- PRG="$link"
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- else
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- PRG=`dirname "$PRG"`"/$link"
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- fi
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+app_path=$0
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+
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+# Need this for daisy-chained symlinks.
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+while
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+ APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
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+ [ -h "$app_path" ]
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+do
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+ ls=$( ls -ld "$app_path" )
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+ link=${ls#*' -> '}
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+ case $link in #(
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+ /*) app_path=$link ;; #(
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+ *) app_path=$APP_HOME$link ;;
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+ esac
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done
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-SAVED="`pwd`"
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-cd "`dirname \"$PRG\"`/" >/dev/null
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-APP_HOME="`pwd -P`"
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-cd "$SAVED" >/dev/null
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+
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+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
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APP_NAME="Gradle"
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-APP_BASE_NAME=`basename "$0"`
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+APP_BASE_NAME=${0##*/}
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# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
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DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
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# Use the maximum available, or set MAX_FD != -1 to use that value.
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-MAX_FD="maximum"
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+MAX_FD=maximum
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warn () {
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echo "$*"
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-}
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+} >&2
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die () {
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echo
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echo "$*"
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echo
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exit 1
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-}
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+} >&2
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# OS specific support (must be 'true' or 'false').
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cygwin=false
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msys=false
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darwin=false
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nonstop=false
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-case "`uname`" in
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- CYGWIN* )
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- cygwin=true
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- ;;
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- Darwin* )
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- darwin=true
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- ;;
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- MINGW* )
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- msys=true
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- ;;
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- NONSTOP* )
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- nonstop=true
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- ;;
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+case "$( uname )" in #(
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+ CYGWIN* ) cygwin=true ;; #(
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+ Darwin* ) darwin=true ;; #(
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+ MSYS* | MINGW* ) msys=true ;; #(
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+ NONSTOP* ) nonstop=true ;;
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esac
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CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
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@@ -87,9 +121,9 @@ CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
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if [ -n "$JAVA_HOME" ] ; then
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if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
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# IBM's JDK on AIX uses strange locations for the executables
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- JAVACMD="$JAVA_HOME/jre/sh/java"
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+ JAVACMD=$JAVA_HOME/jre/sh/java
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else
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- JAVACMD="$JAVA_HOME/bin/java"
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+ JAVACMD=$JAVA_HOME/bin/java
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fi
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if [ ! -x "$JAVACMD" ] ; then
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die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
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@@ -98,7 +132,7 @@ Please set the JAVA_HOME variable in your environment to match the
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location of your Java installation."
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fi
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else
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- JAVACMD="java"
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+ JAVACMD=java
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which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
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Please set the JAVA_HOME variable in your environment to match the
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@@ -106,80 +140,95 @@ location of your Java installation."
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fi
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# Increase the maximum file descriptors if we can.
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-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
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- MAX_FD_LIMIT=`ulimit -H -n`
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- if [ $? -eq 0 ] ; then
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- if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
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- MAX_FD="$MAX_FD_LIMIT"
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- fi
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- ulimit -n $MAX_FD
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- if [ $? -ne 0 ] ; then
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- warn "Could not set maximum file descriptor limit: $MAX_FD"
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- fi
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- else
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- warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
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- fi
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+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
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+ case $MAX_FD in #(
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+ max*)
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+ MAX_FD=$( ulimit -H -n ) ||
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+ warn "Could not query maximum file descriptor limit"
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+ esac
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+ case $MAX_FD in #(
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+ '' | soft) :;; #(
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+ *)
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+ ulimit -n "$MAX_FD" ||
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+ warn "Could not set maximum file descriptor limit to $MAX_FD"
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+ esac
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fi
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-# For Darwin, add options to specify how the application appears in the dock
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-if $darwin; then
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- GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
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-fi
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+# Collect all arguments for the java command, stacking in reverse order:
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+# * args from the command line
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+# * the main class name
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+# * -classpath
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+# * -D...appname settings
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+# * --module-path (only if needed)
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+# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
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# For Cygwin or MSYS, switch paths to Windows format before running java
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-if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
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- APP_HOME=`cygpath --path --mixed "$APP_HOME"`
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- CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
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-
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- JAVACMD=`cygpath --unix "$JAVACMD"`
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-
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- # We build the pattern for arguments to be converted via cygpath
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- ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
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- SEP=""
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- for dir in $ROOTDIRSRAW ; do
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- ROOTDIRS="$ROOTDIRS$SEP$dir"
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- SEP="|"
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- done
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- OURCYGPATTERN="(^($ROOTDIRS))"
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- # Add a user-defined pattern to the cygpath arguments
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- if [ "$GRADLE_CYGPATTERN" != "" ] ; then
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- OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
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- fi
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+if "$cygwin" || "$msys" ; then
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+ APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
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+ CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
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+
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+ JAVACMD=$( cygpath --unix "$JAVACMD" )
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+
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# Now convert the arguments - kludge to limit ourselves to /bin/sh
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- i=0
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- for arg in "$@" ; do
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- CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
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- CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
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-
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- if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
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- eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
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- else
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- eval `echo args$i`="\"$arg\""
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+ for arg do
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+ if
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+ case $arg in #(
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+ -*) false ;; # don't mess with options #(
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+ /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
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+ [ -e "$t" ] ;; #(
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+ *) false ;;
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+ esac
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+ then
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+ arg=$( cygpath --path --ignore --mixed "$arg" )
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fi
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- i=`expr $i + 1`
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+ # Roll the args list around exactly as many times as the number of
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+ # args, so each arg winds up back in the position where it started, but
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+ # possibly modified.
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+ #
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+ # NB: a `for` loop captures its iteration list before it begins, so
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+ # changing the positional parameters here affects neither the number of
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+ # iterations, nor the values presented in `arg`.
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+ shift # remove old arg
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+ set -- "$@" "$arg" # push replacement arg
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done
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- case $i in
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- 0) set -- ;;
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- 1) set -- "$args0" ;;
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- 2) set -- "$args0" "$args1" ;;
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- 3) set -- "$args0" "$args1" "$args2" ;;
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- 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
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- 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
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- 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
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- 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
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- 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
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- 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
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- esac
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fi
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-# Escape application args
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-save () {
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- for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
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- echo " "
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-}
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-APP_ARGS=`save "$@"`
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+# Collect all arguments for the java command;
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+# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
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+# shell script including quotes and variable substitutions, so put them in
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+# double quotes to make sure that they get re-expanded; and
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+# * put everything else in single quotes, so that it's not re-expanded.
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+
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+set -- \
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+ "-Dorg.gradle.appname=$APP_BASE_NAME" \
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+ -classpath "$CLASSPATH" \
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+ org.gradle.wrapper.GradleWrapperMain \
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+ "$@"
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+
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+# Use "xargs" to parse quoted args.
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+#
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+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
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+#
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+# In Bash we could simply go:
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+#
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+# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
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+# set -- "${ARGS[@]}" "$@"
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+#
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+# but POSIX shell has neither arrays nor command substitution, so instead we
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+# post-process each arg (as a line of input to sed) to backslash-escape any
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+# character that might be a shell metacharacter, then use eval to reverse
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+# that process (while maintaining the separation between arguments), and wrap
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+# the whole thing up as a single "set" statement.
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+#
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+# This will of course break if any of these variables contains a newline or
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+# an unmatched quote.
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+#
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-# Collect all arguments for the java command, following the shell quoting and substitution rules
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-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
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+eval "set -- $(
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+ printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
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+ xargs -n1 |
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+ sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
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+ tr '\n' ' '
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+ )" '"$@"'
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exec "$JAVACMD" "$@"
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Joshua Kuestersteffen