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thomaswoehlkethomaswoehlke
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initial setup
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lines changed

‎.circleci/config.yml

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version: 2.1
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jobs:
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build:
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docker:
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- image: buildpack-deps:cosmic
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steps:
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- run:
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name: Setup Build Environment
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command: |
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echo 'Hello World!'
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echo 'Seting up the Build Environment'
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apt-get update
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apt-get upgrade -y
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echo 'Start: Installing java, groovy and gradle!'
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apt-get install openjdk-8-jdk groovy gradle -y
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echo 'Done: Installing java, groovy and gradle!'
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- checkout
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- run:
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name: Building Project
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command: |
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echo 'running gradle build!'
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./gradlew --max-workers 1 --continue build
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./gradlew --max-workers 1 --continue jar

‎.editorconfig

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# editorconfig.org
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root = true
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[*]
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charset = utf-8
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end_of_line = lf
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indent_size = 4
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indent_style = space
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insert_final_newline = true
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trim_trailing_whitespace = true
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[*.md]
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trim_trailing_whitespace = false
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[*.yml]
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charset = utf-8
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end_of_line = lf
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indent_size = 2
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indent_style = space
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insert_final_newline = false
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trim_trailing_whitespace = true

‎.gitignore

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/.idea
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/simulated-ediffusion-limited-aggregation.iml
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/*.iml
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/target
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# Ignore Gradle project-specific cache directory
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.gradle
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# Ignore Gradle build output directory
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build
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.idea
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*.iml

‎LICENSE.code.txt

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Copyright 2018 Thomas Woehlke
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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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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.

‎README.md

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diffusion-limited-aggregation
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=============================
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Fractals and random walk due to Brownian motion cluster
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Abstract
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--------
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Diffusion-limited aggregation (DLA) is the process whereby particles undergoing a random walk due to Brownian motion cluster together to form aggregates of such particles.
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This theory, proposed by T.A. Witten Jr. (not to be confused with Edward Witten) and L.M. Sander in 1981,[1] is applicable to aggregation
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in any system where diffusion is the primary means of transport in the system. DLA can be observed in many systems such as electrodeposition,
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Hele-Shaw flow, mineral deposits, and dielectric breakdown.
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Ref: http://en.wikipedia.org/wiki/Diffusion-limited_aggregation
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Wikipedia
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---------
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Run the Application
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-------------------
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* http://en.wikipedia.org/wiki/Diffusion-limited_aggregation
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Maven Wrapper
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-------------
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* [https://github.com/takari/maven-wrapper](https://github.com/takari/maven-wrapper)
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* [https://www.baeldung.com/maven-wrapper](https://www.baeldung.com/maven-wrapper)
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Run the Desktop Application
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---------------------------
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```
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git clone https://github.com/phasenraum2010/diffusion-limited-aggregation.git
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cd diffusion-limited-aggregation
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mvnw -Pdefault clean install exec:java
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```
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Run the Applet Test
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-------------------
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```
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git clone https://github.com/phasenraum2010/diffusion-limited-aggregation.git
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cd diffusion-limited-aggregation
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mvnw -Pdefault clean install exec:java
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```
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Screenshot
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----------
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mvn clean install exec:java
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![Later Screen](./src/site/resources/img/phasenraum_logo.gif)
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Project Documentation
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---------------------
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![Later Screen](./src/site/resources/img/screen1.png)
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go to: http://www.thomas-woehlke.de/p/diffusion-limited-aggregation
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![Later Screen](./src/site/resources/img/screen1.png)
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Blog and Download
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-----------------
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go to: http://thomas-woehlke.blogspot.de/2016/01/diffusion-limited-aggregation.html
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* http://thomas-woehlke.blogspot.de/2016/01/diffusion-limited-aggregation.html
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‎build.gradle

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/*
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* This file was generated by the Gradle 'init' task.
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*
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* This generated file contains a sample Java project to get you started.
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* For more details take a look at the Java Quickstart chapter in the Gradle
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* User Manual available at https://docs.gradle.org/5.6.1/userguide/tutorial_java_projects.html
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*/
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plugins {
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// Apply the java plugin to add support for Java
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id 'java'
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// Apply the application plugin to add support for building a CLI application
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id 'application'
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}
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repositories {
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// Use jcenter for resolving dependencies.
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// You can declare any Maven/Ivy/file repository here.
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jcenter()
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}
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dependencies {
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// This dependency is used by the application.
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implementation 'com.google.guava:guava:28.0-jre'
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// Use JUnit test framework
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testImplementation 'junit:junit:4.12'
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}
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application {
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// Define the main class for the application
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mainClassName = 'org.woehlke.simulation.dla.DiffusionLimitedAggregationDesktop'
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}

‎gradle/wrapper/gradle-wrapper.jar

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‎gradle/wrapper/gradle-wrapper.properties

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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.1-bin.zip
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists

‎gradlew

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#!/usr/bin/env sh
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#
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# Copyright 2015 the original author or 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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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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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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# Attempt to set APP_HOME
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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"`"/$link"
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fi
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done
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SAVED="`pwd`"
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cd "`dirname \"$PRG\"`/" >/dev/null
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APP_HOME="`pwd -P`"
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cd "$SAVED" >/dev/null
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APP_NAME="Gradle"
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APP_BASE_NAME=`basename "$0"`
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# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
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DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
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# Use the maximum available, or set MAX_FD != -1 to use that value.
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MAX_FD="maximum"
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warn () {
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echo "$*"
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}
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die () {
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echo
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echo "$*"
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echo
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exit 1
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}
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# OS specific support (must be 'true' or 'false').
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cygwin=false
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msys=false
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darwin=false
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nonstop=false
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case "`uname`" in
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CYGWIN* )
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cygwin=true
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;;
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Darwin* )
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darwin=true
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;;
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MINGW* )
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msys=true
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;;
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NONSTOP* )
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nonstop=true
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;;
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esac
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CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
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# Determine the Java command to use to start the JVM.
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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="$JAVA_HOME/jre/sh/java"
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else
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JAVACMD="$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: $JAVA_HOME
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Please set the JAVA_HOME variable in your environment to match the
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location of your Java installation."
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fi
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else
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JAVACMD="java"
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which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
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Please set the JAVA_HOME variable in your environment to match the
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location of your Java installation."
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fi
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# Increase the maximum file descriptors if we can.
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if [ "$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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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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# 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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JAVACMD=`cygpath --unix "$JAVACMD"`
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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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# 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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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`="\"$arg\""
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fi
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i=$((i+1))
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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, 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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# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
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if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
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cd "$(dirname "$0")"
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fi
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exec "$JAVACMD" "$@"

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