jgit/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Archive.java

/*
 * Copyright (C) 2012 Google Inc.
 * and other copyright owners as documented in the project's IP log.
 *
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Distribution License v1.0 which
 * accompanies this distribution, is reproduced below, and is
 * available at http://www.eclipse.org/org/documents/edl-v10.php
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Eclipse Foundation, Inc. nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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package org.eclipse.jgit.pgm;

import org.eclipse.jgit.api.ArchiveCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.archive.TarFormat;
import org.eclipse.jgit.archive.ZipFormat;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.pgm.TextBuiltin;
import org.eclipse.jgit.pgm.internal.CLIText;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;

@Command(common = true, usage = "usage_archive")
class Archive extends TextBuiltin {
	static {
		ArchiveCommand.registerFormat("tar", new TarFormat());
		ArchiveCommand.registerFormat("zip", new ZipFormat());
	}

	@Argument(index = 0, metaVar = "metaVar_treeish")
	private ObjectId tree;

	@Option(name = "--format", metaVar = "metaVar_archiveFormat", usage = "usage_archiveFormat")
	private String format = "zip";

	@Override
	protected void run() throws Exception {
		if (tree == null)
			throw die(CLIText.get().treeIsRequired);

		final ArchiveCommand cmd = new Git(db).archive();
		try {
			cmd.setTree(tree)
					.setFormat(format)
					.setOutputStream(outs).call();
		} catch (GitAPIException e) {
			throw die(e.getMessage());
		} finally {
			cmd.release();
		}
	}
}