initial checkin

# Maven

target

.project

.classpath

.settings

<project xmlns="http://maven.apache.org/POM/4.0.0"

		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

		xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

	<modelVersion>4.0.0</modelVersion>

	<groupId>me.brianlong</groupId>

	<artifactId>git-utils</artifactId>

	<packaging>jar</packaging>

	<version>1.0-SNAPSHOT</version>

	<name>Git Utilities</name>

	<properties>

		<maven.compiler.source>1.8</maven.compiler.source>

		<maven.compiler.target>1.8</maven.compiler.target>

		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

	</properties>

	<dependencies>

		<dependency>

			<groupId>org.eclipse.jgit</groupId>

			<artifactId>org.eclipse.jgit</artifactId>

			<version>5.9.0.202009080501-r</version>

		</dependency>

		<dependency>

			<groupId>org.eclipse.jgit</groupId>

			<artifactId>org.eclipse.jgit.ssh.jsch</artifactId>

			<version>5.9.0.202009080501-r</version>

		</dependency>

		<dependency>

			<groupId>junit</groupId>

			<artifactId>junit</artifactId>

			<version>4.13</version>

			<scope>test</scope>

		</dependency>

		<dependency>

			<groupId>org.apache.logging.log4j</groupId>

			<artifactId>log4j-slf4j-impl</artifactId>

			<version>2.13.2</version>

			<scope>test</scope>

		</dependency>

	</dependencies>

	<build>

		<plugins>

			<plugin>

				<groupId>org.apache.maven.plugins</groupId>

				<artifactId>maven-surefire-plugin</artifactId>

				<configuration>

					<excludes>

						<exclude>**/*IT.class</exclude>

					</excludes>

				</configuration>

			</plugin>

			<plugin>

				<groupId>org.apache.maven.plugins</groupId>

				<artifactId>maven-failsafe-plugin</artifactId>

				<executions>

					<execution>

						<id>integration-tests</id>

						<phase>integration-test</phase>

						<goals>

							<goal>integration-test</goal>

						</goals>

						<configuration>

							<includes>

								<include>**/*IT.class</include>

							</includes>

						</configuration>

					</execution>

				</executions>

			</plugin>

		</plugins>

	</build>

</project>

<?xml version="1.0" encoding="UTF-8"?>

<Configuration status="WARN">

  <Appenders>

    <Console name="STDOUT" target="SYSTEM_OUT">

      <PatternLayout pattern="[%t] %-5level %logger{36} - %msg%n"/>

    </Console>

  </Appenders>

  <Loggers>

  	<Logger name="me.brianlong" level="trace" additivity="false">

  	  <AppenderRef ref="STDOUT" />

  	</Logger>

    <Root level="trace">

      <AppenderRef ref="STDOUT"/>

    </Root>

  </Loggers>

</Configuration>

package me.brianlong.git;

import org.eclipse.jgit.api.CloneCommand;

import org.eclipse.jgit.api.Git;

import org.eclipse.jgit.api.errors.GitAPIException;

import org.eclipse.jgit.api.errors.InvalidRemoteException;

import org.eclipse.jgit.api.errors.TransportException;

import org.eclipse.jgit.lib.Repository;

public class CachedGit extends Git {

	public CachedGit(Git git) {

		super(git.getRepository());

	}

	public CachedGit(CloneCommand clone) throws TransportException, InvalidRemoteException, GitAPIException {

		super(clone.call().getRepository());

	}

	public CachedGit(Repository repo) {

		super(repo);

	}

	@Override

	public void close() {

		LocalRepositoryCache.getInstance().release(this);

	}

}

package me.brianlong.git;

import java.util.Collection;

import java.util.Iterator;

import java.util.LinkedList;

import java.util.List;

import java.util.NoSuchElementException;

public class CompositeIterator<E> implements Iterator<E> {

	private final List<Iterator<E>> iterators = new LinkedList<Iterator<E>>();

	private final Iterator<Iterator<E>> iteratorIterators;

	private Iterator<E> iterator;

	public CompositeIterator(@SuppressWarnings("unchecked") Collection<E>... cs) {

		for (Collection<E> c : cs)

			if (c != null && !c.isEmpty())

				this.iterators.add(c.iterator());

		this.iteratorIterators = this.iterators.iterator();

	}

	@Override

	public boolean hasNext() {

		if (this.iterator == null) {

			if (!this.iteratorIterators.hasNext())

				return false;

			this.iterator = this.iteratorIterators.next();

		}

		while (!this.iterator.hasNext() && this.iteratorIterators.hasNext())

			this.iterator = this.iteratorIterators.next();

		return this.iterator.hasNext();

	}

	@Override

	public E next() {

		if (!this.hasNext())

			throw new NoSuchElementException();

		return this.iterator.next();

	}

}