/*
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* Copyright 2013 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.models;
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import java.io.Serializable;
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import java.text.MessageFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.eclipse.jgit.lib.Constants;
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import org.eclipse.jgit.lib.PersonIdent;
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import org.eclipse.jgit.revwalk.RevCommit;
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import org.eclipse.jgit.transport.ReceiveCommand;
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import com.gitblit.utils.StringUtils;
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/**
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* Model class to represent a push into a repository.
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*
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* @author James Moger
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*/
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public class RefLogEntry implements Serializable, Comparable<RefLogEntry> {
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private static final long serialVersionUID = 1L;
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public final String repository;
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public final Date date;
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public final UserModel user;
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private final Set<RepositoryCommit> commits;
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protected final Map<String, ReceiveCommand.Type> refUpdates;
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protected final Map<String, String> refIdChanges;
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private int authorCount;
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/**
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* Constructor for specified duration of push from start date.
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*
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* @param repository
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* the repository that received the push
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* @param date
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* the date of the push
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* @param user
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* the user who pushed
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*/
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public RefLogEntry(String repository, Date date, UserModel user) {
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this.repository = repository;
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this.date = date;
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this.user = user;
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this.commits = new LinkedHashSet<RepositoryCommit>();
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this.refUpdates = new HashMap<String, ReceiveCommand.Type>();
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this.refIdChanges = new HashMap<String, String>();
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this.authorCount = -1;
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}
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/**
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* Tracks the change type for the specified ref.
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*
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* @param ref
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* @param type
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*/
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public void updateRef(String ref, ReceiveCommand.Type type) {
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if (!refUpdates.containsKey(ref)) {
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refUpdates.put(ref, type);
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}
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}
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/**
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* Tracks the change type for the specified ref.
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*
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* @param ref
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* @param type
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* @param oldId
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* @param newId
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*/
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public void updateRef(String ref, ReceiveCommand.Type type, String oldId, String newId) {
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if (!refUpdates.containsKey(ref)) {
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refUpdates.put(ref, type);
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refIdChanges.put(ref, oldId + "-" + newId);
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}
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}
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/**
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* Returns the old id of a ref.
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*
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* @param ref
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* @return the old id
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*/
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public String getOldId(String ref) {
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String change = refIdChanges.get(ref);
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if (StringUtils.isEmpty(change)) {
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return null;
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}
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return change.split("-")[0];
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}
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/**
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* Returns the new id of a ref
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*
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* @param ref
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* @return the new id
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*/
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public String getNewId(String ref) {
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String change = refIdChanges.get(ref);
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if (StringUtils.isEmpty(change)) {
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return null;
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}
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return change.split("-")[1];
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}
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/**
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* Returns the change type of the ref change.
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*
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* @param ref
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* @return the change type for the ref
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*/
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public ReceiveCommand.Type getChangeType(String ref) {
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ReceiveCommand.Type type = refUpdates.get(ref);
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return type;
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}
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/**
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* Adds a commit to the push entry object as long as the commit is not a
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* duplicate.
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*
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* @param branch
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* @param commit
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* @return a RepositoryCommit, if one was added. Null if this is duplicate
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* commit
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*/
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public RepositoryCommit addCommit(String branch, RevCommit commit) {
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RepositoryCommit commitModel = new RepositoryCommit(repository, branch, commit);
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if (commits.add(commitModel)) {
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authorCount = -1;
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return commitModel;
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}
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return null;
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}
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/**
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* Adds a a list of repository commits. This is used to construct discrete
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* ref push log entries
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*
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* @param commits
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*/
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public void addCommits(List<RepositoryCommit> list) {
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commits.addAll(list);
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authorCount = -1;
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}
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/**
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* Returns true if this push contains a non-fastforward ref update.
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*
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* @return true if this is a non-fastforward push
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*/
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public boolean isNonFastForward() {
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for (Map.Entry<String, ReceiveCommand.Type> entry : refUpdates.entrySet()) {
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if (ReceiveCommand.Type.UPDATE_NONFASTFORWARD.equals(entry.getValue())) {
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return true;
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}
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}
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return false;
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}
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/**
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* Returns true if this ref has been rewound.
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*
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* @param ref
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* @return true if this is a non-fastforward ref update
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*/
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public boolean isNonFastForward(String ref) {
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ReceiveCommand.Type type = refUpdates.get(ref);
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if (type == null) {
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return false;
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}
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return ReceiveCommand.Type.UPDATE_NONFASTFORWARD.equals(type);
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}
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/**
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* Returns true if this ref has been deleted.
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*
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* @param ref
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* @return true if this is a delete ref update
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*/
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public boolean isDelete(String ref) {
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ReceiveCommand.Type type = refUpdates.get(ref);
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if (type == null) {
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return false;
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}
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return ReceiveCommand.Type.DELETE.equals(type);
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}
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/**
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* Returns the list of refs changed by the push.
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*
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* @return a list of refs
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*/
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public List<String> getChangedRefs() {
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return new ArrayList<String>(refUpdates.keySet());
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}
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/**
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* Returns the list of branches changed by the push.
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*
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* @return a list of branches
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*/
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public List<String> getChangedBranches() {
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return getChangedRefs(Constants.R_HEADS);
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}
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/**
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* Returns the list of tags changed by the push.
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*
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* @return a list of tags
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*/
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public List<String> getChangedTags() {
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return getChangedRefs(Constants.R_TAGS);
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}
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/**
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* Gets the changed refs in the push.
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*
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* @param baseRef
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* @return the changed refs
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*/
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protected List<String> getChangedRefs(String baseRef) {
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Set<String> refs = new HashSet<String>();
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for (String ref : refUpdates.keySet()) {
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if (baseRef == null || ref.startsWith(baseRef)) {
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refs.add(ref);
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}
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}
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List<String> list = new ArrayList<String>(refs);
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Collections.sort(list);
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return list;
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}
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public int getAuthorCount() {
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if (authorCount == -1) {
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Set<String> authors = new HashSet<String>();
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for (RepositoryCommit commit : commits) {
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String name = commit.getAuthorIdent().getName();
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authors.add(name);
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}
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authorCount = authors.size();
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}
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return authorCount;
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}
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/**
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* The total number of commits in the push.
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*
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* @return the number of commits in the push
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*/
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public int getCommitCount() {
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return commits.size();
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}
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/**
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* Returns all commits in the push.
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*
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* @return a list of commits
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*/
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public List<RepositoryCommit> getCommits() {
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List<RepositoryCommit> list = new ArrayList<RepositoryCommit>(commits);
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Collections.sort(list);
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return list;
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}
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/**
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* Returns all commits that belong to a particular ref
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*
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* @param ref
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* @return a list of commits
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*/
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public List<RepositoryCommit> getCommits(String ref) {
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List<RepositoryCommit> list = new ArrayList<RepositoryCommit>();
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for (RepositoryCommit commit : commits) {
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if (commit.branch.equals(ref)) {
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list.add(commit);
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}
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}
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Collections.sort(list);
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return list;
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}
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public PersonIdent getCommitterIdent() {
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return new PersonIdent(user.getDisplayName(), user.emailAddress == null ? user.username : user.emailAddress);
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}
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public PersonIdent getAuthorIdent() {
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return getCommitterIdent();
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}
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@Override
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public int compareTo(RefLogEntry o) {
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// reverse chronological order
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return o.date.compareTo(date);
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}
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append(MessageFormat.format("{0,date,yyyy-MM-dd HH:mm}: {1} pushed {2,number,0} commit{3} to {4} ",
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date, user.getDisplayName(), commits.size(), commits.size() == 1 ? "":"s", repository));
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for (Map.Entry<String, ReceiveCommand.Type> entry : refUpdates.entrySet()) {
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String ref = entry.getKey();
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ReceiveCommand.Type type = entry.getValue();
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sb.append("\n ").append(ref).append(' ').append(type.name()).append('\n');
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for (RepositoryCommit commit : getCommits(ref)) {
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sb.append(" ").append(commit.toString()).append('\n');
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}
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}
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return sb.toString();
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}
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}
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