| package org.apache.maven.scm.provider.git.gitexe.command.update; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import java.io.File; |
| |
| import org.apache.maven.scm.ScmBranch; |
| import org.apache.maven.scm.ScmException; |
| import org.apache.maven.scm.ScmFileSet; |
| import org.apache.maven.scm.ScmVersion; |
| import org.apache.maven.scm.command.changelog.ChangeLogCommand; |
| import org.apache.maven.scm.command.update.AbstractUpdateCommand; |
| import org.apache.maven.scm.command.update.UpdateScmResult; |
| import org.apache.maven.scm.command.update.UpdateScmResultWithRevision; |
| import org.apache.maven.scm.provider.ScmProviderRepository; |
| import org.apache.maven.scm.provider.git.command.GitCommand; |
| import org.apache.maven.scm.provider.git.gitexe.command.GitCommandLineUtils; |
| import org.apache.maven.scm.provider.git.gitexe.command.changelog.GitChangeLogCommand; |
| import org.apache.maven.scm.provider.git.gitexe.command.diff.GitDiffCommand; |
| import org.apache.maven.scm.provider.git.gitexe.command.diff.GitDiffRawConsumer; |
| import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository; |
| import org.codehaus.plexus.util.cli.CommandLineUtils; |
| import org.codehaus.plexus.util.cli.Commandline; |
| |
| /** |
| * @author Olivier Lamy |
| * @author <a href="mailto:struberg@yahoo.de">struberg</a> |
| * @since 10 august 2008 |
| * |
| */ |
| public class GitUpdateCommand |
| extends AbstractUpdateCommand |
| implements GitCommand |
| { |
| /** {@inheritDoc} */ |
| protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repo, ScmFileSet fileSet, |
| ScmVersion scmVersion ) |
| throws ScmException |
| { |
| GitScmProviderRepository repository = (GitScmProviderRepository) repo; |
| |
| if ( GitScmProviderRepository.PROTOCOL_FILE.equals( repository.getFetchInfo().getProtocol() ) |
| && repository.getFetchInfo().getPath().indexOf( fileSet.getBasedir().getPath() ) >= 0 ) |
| { |
| throw new ScmException( "remote repository must not be the working directory" ); |
| } |
| |
| int exitCode; |
| |
| CommandLineUtils.StringStreamConsumer stdout = new CommandLineUtils.StringStreamConsumer(); |
| CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer(); |
| |
| // fir we need to get the current reversion |
| Commandline clRev = createLatestRevisionCommandLine( repository, fileSet.getBasedir(), scmVersion ); |
| GitLatestRevisionCommandConsumer consumerRev = new GitLatestRevisionCommandConsumer( getLogger() ); |
| exitCode = GitCommandLineUtils.execute( clRev, consumerRev, stderr, getLogger() ); |
| if ( exitCode != 0 ) |
| { |
| return new UpdateScmResult( clRev.toString(), "The git-log command failed.", |
| stderr.getOutput(), false ); |
| } |
| String origSha1 = consumerRev.getLatestRevision(); |
| |
| Commandline cl = createCommandLine( repository, fileSet.getBasedir(), scmVersion ); |
| exitCode = GitCommandLineUtils.execute( cl, stdout, stderr, getLogger() ); |
| if ( exitCode != 0 ) |
| { |
| return new UpdateScmResult( cl.toString(), "The git-pull command failed.", |
| stderr.getOutput(), false ); |
| } |
| |
| // we also need to log exactly what has been updated |
| GitDiffRawConsumer diffRawConsumer = new GitDiffRawConsumer( getLogger() ); |
| Commandline clDiffRaw = GitDiffCommand.createDiffRawCommandLine( fileSet.getBasedir(), origSha1 ); |
| exitCode = GitCommandLineUtils.execute( clDiffRaw, diffRawConsumer, stderr, getLogger() ); |
| if ( exitCode != 0 ) |
| { |
| return new UpdateScmResult( clDiffRaw.toString(), "The git-diff --raw command failed.", |
| stderr.getOutput(), false ); |
| } |
| |
| |
| // now let's get the latest version |
| consumerRev = new GitLatestRevisionCommandConsumer( getLogger() ); |
| exitCode = GitCommandLineUtils.execute( clRev, consumerRev, stderr, getLogger() ); |
| if ( exitCode != 0 ) |
| { |
| return new UpdateScmResult( clRev.toString(), "The git-log command failed.", |
| stderr.getOutput(), false ); |
| } |
| String latestRevision = consumerRev.getLatestRevision(); |
| |
| return new UpdateScmResultWithRevision( cl.toString(), diffRawConsumer.getChangedFiles(), latestRevision ); |
| } |
| |
| /** {@inheritDoc} */ |
| protected ChangeLogCommand getChangeLogCommand() |
| { |
| GitChangeLogCommand changelogCmd = new GitChangeLogCommand(); |
| changelogCmd.setLogger( getLogger() ); |
| |
| return changelogCmd; |
| } |
| |
| /** |
| * create the command line for updating the current branch with the info from the foreign repository. |
| */ |
| public static Commandline createCommandLine( GitScmProviderRepository repository, File workingDirectory, |
| ScmVersion scmVersion ) |
| { |
| Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( workingDirectory, "pull" ); |
| |
| cl.createArg().setLine( repository.getFetchUrl() ); |
| |
| // now set the branch where we would like to pull from |
| if ( scmVersion instanceof ScmBranch ) |
| { |
| cl.createArg().setLine( scmVersion.getName() ); |
| } |
| |
| return cl; |
| } |
| |
| /** |
| * @param scmVersion a valid branch or <code>null</code> if the master branch should be taken |
| * @return CommandLine for getting the latest commit on the given branch |
| */ |
| public static Commandline createLatestRevisionCommandLine( GitScmProviderRepository repository, |
| File workingDirectory, ScmVersion scmVersion ) |
| { |
| Commandline cl = GitCommandLineUtils.getBaseGitCommandLine( workingDirectory, "log" ); |
| |
| // only show exactly 1 commit |
| cl.createArg().setValue( "-n1" ); |
| |
| // same as --topo-order, but ensure ordering of merges |
| cl.createArg().setValue( "--date-order" ); |
| |
| if ( scmVersion != null && scmVersion instanceof ScmBranch && scmVersion.getName() != null |
| && scmVersion.getName().length() > 0 ) |
| { |
| // if any branch is given, lets take em |
| cl.createArg().setValue( scmVersion.getName() ); |
| } |
| // otherwise we work on HEAD/current branch |
| |
| return cl; |
| } |
| } |