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- /*
- * Copyright (C) 2006, Robin Rosenberg <robin.rosenberg@dewire.com>
- * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
- * 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
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- package org.eclipse.jgit.pgm;
-
- import java.io.File;
- import java.io.IOException;
- import java.io.PrintWriter;
- import java.lang.reflect.InvocationTargetException;
- import java.net.MalformedURLException;
- import java.net.URL;
- import java.text.MessageFormat;
- import java.util.ArrayList;
- import java.util.List;
-
- import org.eclipse.jgit.awtui.AwtAuthenticator;
- import org.eclipse.jgit.awtui.AwtCredentialsProvider;
- import org.eclipse.jgit.errors.TransportException;
- import org.eclipse.jgit.lib.Repository;
- import org.eclipse.jgit.lib.RepositoryBuilder;
- import org.eclipse.jgit.pgm.opt.CmdLineParser;
- import org.eclipse.jgit.pgm.opt.SubcommandHandler;
- import org.eclipse.jgit.util.CachedAuthenticator;
- import org.kohsuke.args4j.Argument;
- import org.kohsuke.args4j.CmdLineException;
- import org.kohsuke.args4j.ExampleMode;
- import org.kohsuke.args4j.Option;
-
- /** Command line entry point. */
- public class Main {
- @Option(name = "--help", usage = "usage_displayThisHelpText", aliases = { "-h" })
- private boolean help;
-
- @Option(name = "--show-stack-trace", usage = "usage_displayThejavaStackTraceOnExceptions")
- private boolean showStackTrace;
-
- @Option(name = "--git-dir", metaVar = "metaVar_gitDir", usage = "usage_setTheGitRepositoryToOperateOn")
- private String gitdir;
-
- @Argument(index = 0, metaVar = "metaVar_command", required = true, handler = SubcommandHandler.class)
- private TextBuiltin subcommand;
-
- @Argument(index = 1, metaVar = "metaVar_arg")
- private List<String> arguments = new ArrayList<String>();
-
- /**
- * Execute the command line.
- *
- * @param argv
- * arguments.
- */
- public static void main(final String[] argv) {
- new Main().run(argv);
- }
-
- /**
- * Parse the command line and execute the requested action.
- *
- * Subclasses should allocate themselves and then invoke this method:
- *
- * <pre>
- * class ExtMain {
- * public static void main(String[] argv) {
- * new ExtMain().run(argv);
- * }
- * }
- * </pre>
- *
- * @param argv
- * arguments.
- */
- protected void run(final String[] argv) {
- try {
- if (!installConsole()) {
- AwtAuthenticator.install();
- AwtCredentialsProvider.install();
- }
- configureHttpProxy();
- execute(argv);
- } catch (Die err) {
- System.err.println(MessageFormat.format(CLIText.get().fatalError, err.getMessage()));
- if (showStackTrace)
- err.printStackTrace();
- System.exit(128);
- } catch (Exception err) {
- // Try to detect errno == EPIPE and exit normally if that happens
- // There may be issues with operating system versions and locale,
- // but we can probably assume that these messages will not be thrown
- // under other circumstances.
- if (err.getClass() == IOException.class) {
- // Linux, OS X
- if (err.getMessage().equals("Broken pipe")) //$NON-NLS-1$
- System.exit(0);
- // Windows
- if (err.getMessage().equals("The pipe is being closed")) //$NON-NLS-1$
- System.exit(0);
- }
- if (!showStackTrace && err.getCause() != null
- && err instanceof TransportException)
- System.err.println(MessageFormat.format(CLIText.get().fatalError, err.getCause().getMessage()));
-
- if (err.getClass().getName().startsWith("org.eclipse.jgit.errors.")) { //$NON-NLS-1$
- System.err.println(MessageFormat.format(CLIText.get().fatalError, err.getMessage()));
- if (showStackTrace)
- err.printStackTrace();
- System.exit(128);
- }
- err.printStackTrace();
- System.exit(1);
- }
- if (System.out.checkError()) {
- System.err.println(CLIText.get().unknownIoErrorStdout);
- System.exit(1);
- }
- if (System.err.checkError()) {
- // No idea how to present an error here, most likely disk full or
- // broken pipe
- System.exit(1);
- }
- }
-
- private void execute(final String[] argv) throws Exception {
- final CmdLineParser clp = new CmdLineParser(this);
- PrintWriter writer = new PrintWriter(System.err);
- try {
- clp.parseArgument(argv);
- } catch (CmdLineException err) {
- if (argv.length > 0 && !help) {
- writer.println(MessageFormat.format(CLIText.get().fatalError, err.getMessage()));
- writer.flush();
- System.exit(1);
- }
- }
-
- if (argv.length == 0 || help) {
- final String ex = clp.printExample(ExampleMode.ALL, CLIText.get().resourceBundle());
- writer.println("jgit" + ex + " command [ARG ...]"); //$NON-NLS-1$
- if (help) {
- writer.println();
- clp.printUsage(writer, CLIText.get().resourceBundle());
- writer.println();
- } else if (subcommand == null) {
- writer.println();
- writer.println(CLIText.get().mostCommonlyUsedCommandsAre);
- final CommandRef[] common = CommandCatalog.common();
- int width = 0;
- for (final CommandRef c : common)
- width = Math.max(width, c.getName().length());
- width += 2;
-
- for (final CommandRef c : common) {
- writer.print(' ');
- writer.print(c.getName());
- for (int i = c.getName().length(); i < width; i++)
- writer.print(' ');
- writer.print(CLIText.get().resourceBundle().getString(c.getUsage()));
- writer.println();
- }
- writer.println();
- }
- writer.flush();
- System.exit(1);
- }
-
- final TextBuiltin cmd = subcommand;
- if (cmd.requiresRepository())
- cmd.init(openGitDir(gitdir), null);
- else
- cmd.init(null, gitdir);
- try {
- cmd.execute(arguments.toArray(new String[arguments.size()]));
- } finally {
- if (cmd.outw != null)
- cmd.outw.flush();
- }
- }
-
- /**
- * Evaluate the {@code --git-dir} option and open the repository.
- *
- * @param gitdir
- * the {@code --git-dir} option given on the command line. May be
- * null if it was not supplied.
- * @return the repository to operate on.
- * @throws IOException
- * the repository cannot be opened.
- */
- protected Repository openGitDir(String gitdir) throws IOException {
- RepositoryBuilder rb = new RepositoryBuilder() //
- .setGitDir(gitdir != null ? new File(gitdir) : null) //
- .readEnvironment() //
- .findGitDir();
- if (rb.getGitDir() == null)
- throw new Die(CLIText.get().cantFindGitDirectory);
- return rb.build();
- }
-
- private static boolean installConsole() {
- try {
- install("org.eclipse.jgit.console.ConsoleAuthenticator"); //$NON-NLS-1$
- install("org.eclipse.jgit.console.ConsoleCredentialsProvider"); //$NON-NLS-1$
- return true;
- } catch (ClassNotFoundException e) {
- return false;
- } catch (NoClassDefFoundError e) {
- return false;
- } catch (UnsupportedClassVersionError e) {
- return false;
-
- } catch (IllegalArgumentException e) {
- throw new RuntimeException(CLIText.get().cannotSetupConsole, e);
- } catch (SecurityException e) {
- throw new RuntimeException(CLIText.get().cannotSetupConsole, e);
- } catch (IllegalAccessException e) {
- throw new RuntimeException(CLIText.get().cannotSetupConsole, e);
- } catch (InvocationTargetException e) {
- throw new RuntimeException(CLIText.get().cannotSetupConsole, e);
- } catch (NoSuchMethodException e) {
- throw new RuntimeException(CLIText.get().cannotSetupConsole, e);
- }
- }
-
- private static void install(final String name)
- throws IllegalAccessException, InvocationTargetException,
- NoSuchMethodException, ClassNotFoundException {
- try {
- Class.forName(name).getMethod("install").invoke(null); //$NON-NLS-1$
- } catch (InvocationTargetException e) {
- if (e.getCause() instanceof RuntimeException)
- throw (RuntimeException) e.getCause();
- if (e.getCause() instanceof Error)
- throw (Error) e.getCause();
- throw e;
- }
- }
-
- /**
- * Configure the JRE's standard HTTP based on <code>http_proxy</code>.
- * <p>
- * The popular libcurl library honors the <code>http_proxy</code>
- * environment variable as a means of specifying an HTTP proxy for requests
- * made behind a firewall. This is not natively recognized by the JRE, so
- * this method can be used by command line utilities to configure the JRE
- * before the first request is sent.
- *
- * @throws MalformedURLException
- * the value in <code>http_proxy</code> is unsupportable.
- */
- private static void configureHttpProxy() throws MalformedURLException {
- final String s = System.getenv("http_proxy"); //$NON-NLS-1$
- if (s == null || s.equals("")) //$NON-NLS-1$
- return;
-
- final URL u = new URL((s.indexOf("://") == -1) ? "http://" + s : s); //$NON-NLS-1$ //$NON-NLS-2$
- if (!"http".equals(u.getProtocol())) //$NON-NLS-1$
- throw new MalformedURLException(MessageFormat.format(CLIText.get().invalidHttpProxyOnlyHttpSupported, s));
-
- final String proxyHost = u.getHost();
- final int proxyPort = u.getPort();
-
- System.setProperty("http.proxyHost", proxyHost); //$NON-NLS-1$
- if (proxyPort > 0)
- System.setProperty("http.proxyPort", String.valueOf(proxyPort)); //$NON-NLS-1$
-
- final String userpass = u.getUserInfo();
- if (userpass != null && userpass.contains(":")) { //$NON-NLS-1$
- final int c = userpass.indexOf(':');
- final String user = userpass.substring(0, c);
- final String pass = userpass.substring(c + 1);
- CachedAuthenticator
- .add(new CachedAuthenticator.CachedAuthentication(
- proxyHost, proxyPort, user, pass));
- }
- }
- }
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