| package org.apache.maven.scm.provider.git.jgit.command.branch; |
| |
| /* |
| * 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.ScmException; |
| import org.apache.maven.scm.ScmFile; |
| import org.apache.maven.scm.ScmFileSet; |
| import org.apache.maven.scm.ScmFileStatus; |
| import org.apache.maven.scm.ScmResult; |
| import org.apache.maven.scm.command.branch.AbstractBranchCommand; |
| import org.apache.maven.scm.command.branch.BranchScmResult; |
| import org.apache.maven.scm.provider.ScmProviderRepository; |
| import org.apache.maven.scm.provider.git.command.GitCommand; |
| import org.apache.maven.scm.provider.git.jgit.command.JGitUtils; |
| import org.apache.maven.scm.provider.git.repository.GitScmProviderRepository; |
| import org.codehaus.plexus.util.StringUtils; |
| import org.eclipse.jgit.api.Git; |
| import org.eclipse.jgit.api.errors.GitAPIException; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.eclipse.jgit.transport.RefSpec; |
| import org.eclipse.jgit.treewalk.TreeWalk; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * @author Dominik Bartholdi (imod) |
| * @since 1.9 |
| */ |
| public class JGitBranchCommand |
| extends AbstractBranchCommand |
| implements GitCommand |
| { |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected ScmResult executeBranchCommand( ScmProviderRepository repo, ScmFileSet fileSet, String branch, |
| String message ) |
| throws ScmException |
| { |
| if ( branch == null || StringUtils.isEmpty( branch.trim() ) ) |
| { |
| throw new ScmException( "branch name must be specified" ); |
| } |
| |
| if ( !fileSet.getFileList().isEmpty() ) |
| { |
| throw new ScmException( "This provider doesn't support branching subsets of a directory" ); |
| } |
| |
| Git git = null; |
| try |
| { |
| git = JGitUtils.openRepo( fileSet.getBasedir() ); |
| Ref branchResult = git.branchCreate().setName( branch ).call(); |
| getLogger().info( "created [" + branchResult.getName() + "]" ); |
| |
| if ( getLogger().isDebugEnabled() ) |
| { |
| for ( String branchName : getShortLocalBranchNames( git ) ) |
| { |
| getLogger().debug( "local branch available: " + branchName ); |
| } |
| } |
| |
| if ( repo.isPushChanges() ) |
| { |
| getLogger().info( "push branch [" + branch + "] to remote..." ); |
| JGitUtils.push( getLogger(), git, (GitScmProviderRepository) repo, new RefSpec( Constants.R_HEADS |
| + branch ) ); |
| } |
| |
| // search for the tagged files |
| final RevWalk revWalk = new RevWalk( git.getRepository() ); |
| RevCommit commit = revWalk.parseCommit( branchResult.getObjectId() ); |
| revWalk.release(); |
| |
| final TreeWalk walk = new TreeWalk( git.getRepository() ); |
| walk.reset(); // drop the first empty tree, which we do not need here |
| walk.setRecursive( true ); |
| walk.addTree( commit.getTree() ); |
| |
| List<ScmFile> files = new ArrayList<ScmFile>(); |
| while ( walk.next() ) |
| { |
| files.add( new ScmFile( walk.getPathString(), ScmFileStatus.CHECKED_OUT ) ); |
| } |
| walk.release(); |
| |
| return new BranchScmResult( "JGit branch", files ); |
| |
| } |
| catch ( Exception e ) |
| { |
| throw new ScmException( "JGit branch failed!", e ); |
| } |
| finally |
| { |
| JGitUtils.closeRepo( git ); |
| } |
| } |
| |
| /** |
| * gets a set of names of the available branches in the given repo |
| * |
| * @param git the repo to list the branches for |
| * @return set of short branch names |
| * @throws GitAPIException |
| */ |
| public static Set<String> getShortLocalBranchNames( Git git ) |
| throws GitAPIException |
| { |
| Set<String> branches = new HashSet<String>(); |
| Iterator<Ref> iter = git.branchList().call().iterator(); |
| while ( iter.hasNext() ) |
| { |
| branches.add( Repository.shortenRefName( iter.next().getName() ) ); |
| } |
| return branches; |
| } |
| } |