| package org.apache.maven.scm.provider.git.gitexe.command.info; |
| |
| /* |
| * 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 org.apache.maven.scm.CommandParameter; |
| import org.apache.maven.scm.CommandParameters; |
| import org.apache.maven.scm.ScmException; |
| import org.apache.maven.scm.ScmFileSet; |
| import org.apache.maven.scm.ScmResult; |
| import org.apache.maven.scm.command.AbstractCommand; |
| import org.apache.maven.scm.command.info.InfoScmResult; |
| 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.codehaus.plexus.util.cli.CommandLineUtils; |
| import org.codehaus.plexus.util.cli.Commandline; |
| |
| /** |
| * @author Olivier Lamy |
| * @since 1.5 |
| */ |
| public class GitInfoCommand |
| extends AbstractCommand |
| implements GitCommand |
| { |
| |
| public static final int NO_REVISION_LENGTH = -1; |
| |
| @Override |
| protected ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet, |
| CommandParameters parameters ) |
| throws ScmException |
| { |
| |
| GitInfoConsumer consumer = new GitInfoConsumer( getLogger(), fileSet ); |
| CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer(); |
| |
| Commandline cli = createCommandLine( repository, fileSet, parameters ); |
| |
| int exitCode = GitCommandLineUtils.execute( cli, consumer, stderr, getLogger() ); |
| if ( exitCode != 0 ) |
| { |
| return new InfoScmResult( cli.toString(), "The git rev-parse command failed.", stderr.getOutput(), false ); |
| } |
| return new InfoScmResult( cli.toString(), consumer.getInfoItems() ); |
| } |
| |
| public static Commandline createCommandLine( ScmProviderRepository repository, ScmFileSet fileSet, |
| CommandParameters parameters ) |
| throws ScmException |
| { |
| Commandline cli = GitCommandLineUtils.getBaseGitCommandLine( fileSet.getBasedir(), "rev-parse" ); |
| cli.createArg().setValue( "--verify" ); |
| final int revLength = getRevisionLength( parameters ); |
| if ( revLength > NO_REVISION_LENGTH )// set the --short key only if revision length parameter is passed and |
| // different from -1 |
| { |
| cli.createArg().setValue( "--short=" + revLength ); |
| } |
| cli.createArg().setValue( "HEAD" ); |
| |
| return cli; |
| } |
| |
| /** |
| * Get the revision length from the parameters |
| * |
| * @param parameters |
| * @return -1 if parameter {@link CommandParameter.SCM_SHORT_REVISION_LENGTH} is absent, <br> |
| * and otherwise - the length to be applied for the revision formatting |
| * @throws ScmException |
| * @since 1.7 |
| */ |
| private static int getRevisionLength( final CommandParameters parameters ) |
| throws ScmException |
| { |
| if ( parameters == null ) |
| { |
| return NO_REVISION_LENGTH; |
| } |
| else |
| { |
| return parameters.getInt( CommandParameter.SCM_SHORT_REVISION_LENGTH, NO_REVISION_LENGTH ); |
| } |
| } |
| |
| |
| } |