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1   /*
2    * Copyright (C) 2008-2010, Google Inc.
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
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12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
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15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
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19   * - Redistributions in binary form must reproduce the above
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21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
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24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
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31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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43  
44  package org.eclipse.jgit.pgm;
45  
46  import java.io.File;
47  import java.text.MessageFormat;
48  
49  import org.eclipse.jgit.api.CloneCommand;
50  import org.eclipse.jgit.api.Git;
51  import org.eclipse.jgit.api.errors.InvalidRemoteException;
52  import org.eclipse.jgit.lib.Constants;
53  import org.eclipse.jgit.lib.TextProgressMonitor;
54  import org.eclipse.jgit.pgm.internal.CLIText;
55  import org.eclipse.jgit.transport.URIish;
56  import org.eclipse.jgit.util.SystemReader;
57  import org.kohsuke.args4j.Argument;
58  import org.kohsuke.args4j.Option;
59  
60  @Command(common = true, usage = "usage_cloneRepositoryIntoNewDir")
61  class Clone extends AbstractFetchCommand {
62  	@Option(name = "--origin", aliases = { "-o" }, metaVar = "metaVar_remoteName", usage = "usage_useNameInsteadOfOriginToTrackUpstream")
63  	private String remoteName = Constants.DEFAULT_REMOTE_NAME;
64  
65  	@Option(name = "--branch", aliases = { "-b" }, metaVar = "metaVar_branchName", usage = "usage_checkoutBranchAfterClone")
66  	private String branch;
67  
68  	@Option(name = "--no-checkout", aliases = { "-n" }, usage = "usage_noCheckoutAfterClone")
69  	private boolean noCheckout;
70  
71  	@Option(name = "--bare", usage = "usage_bareClone")
72  	private boolean isBare;
73  
74  	@Option(name = "--quiet", usage = "usage_quiet")
75  	private Boolean quiet;
76  
77  	@Argument(index = 0, required = true, metaVar = "metaVar_uriish")
78  	private String sourceUri;
79  
80  	@Argument(index = 1, metaVar = "metaVar_directory")
81  	private String localName;
82  
83  	@Override
84  	protected final boolean requiresRepository() {
85  		return false;
86  	}
87  
88  	@Override
89  	protected void run() throws Exception {
90  		if (localName != null && gitdir != null)
91  			throw die(CLIText.get().conflictingUsageOf_git_dir_andArguments);
92  
93  		final URIish uri = new URIish(sourceUri);
94  		File localNameF;
95  		if (localName == null) {
96  			try {
97  				localName = uri.getHumanishName();
98  				localNameF = new File(SystemReader.getInstance().getProperty(
99  						Constants.OS_USER_DIR), localName);
100 			} catch (IllegalArgumentException e) {
101 				throw die(MessageFormat.format(
102 						CLIText.get().cannotGuessLocalNameFrom, sourceUri));
103 			}
104 		} else
105 			localNameF = new File(localName);
106 
107 		if (branch == null)
108 			branch = Constants.HEAD;
109 
110 		CloneCommand command = Git.cloneRepository();
111 		command.setURI(sourceUri).setRemote(remoteName).setBare(isBare)
112 				.setNoCheckout(noCheckout).setBranch(branch);
113 
114 		command.setGitDir(gitdir == null ? null : new File(gitdir));
115 		command.setDirectory(localNameF);
116 		boolean msgs = quiet == null || !quiet.booleanValue();
117 		if (msgs) {
118 			command.setProgressMonitor(new TextProgressMonitor(errw));
119 			outw.println(MessageFormat.format(
120 					CLIText.get().cloningInto, localName));
121 			outw.flush();
122 		}
123 		try {
124 			db = command.call().getRepository();
125 			if (msgs && db.resolve(Constants.HEAD) == null)
126 				outw.println(CLIText.get().clonedEmptyRepository);
127 		} catch (InvalidRemoteException e) {
128 			throw die(MessageFormat.format(CLIText.get().doesNotExist,
129 					sourceUri));
130 		} finally {
131 			if (db != null)
132 				db.close();
133 		}
134 		if (msgs) {
135 			outw.println();
136 			outw.flush();
137 		}
138 	}
139 }