/*
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* Copyright 2011 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.wicket.panels;
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import java.io.IOException;
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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.List;
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import org.apache.wicket.PageParameters;
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import org.apache.wicket.markup.html.basic.Label;
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import org.apache.wicket.markup.html.link.BookmarkablePageLink;
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import org.apache.wicket.markup.html.link.ExternalLink;
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import org.apache.wicket.markup.html.link.Link;
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import org.apache.wicket.markup.html.panel.Fragment;
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import org.apache.wicket.markup.repeater.Item;
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import org.apache.wicket.markup.repeater.data.DataView;
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import org.apache.wicket.markup.repeater.data.ListDataProvider;
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import org.apache.wicket.model.StringResourceModel;
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import org.apache.wicket.protocol.http.RequestUtils;
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import org.apache.wicket.request.target.basic.RedirectRequestTarget;
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import org.eclipse.jgit.lib.Ref;
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import org.eclipse.jgit.lib.Repository;
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import com.gitblit.Constants;
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import com.gitblit.models.RefModel;
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import com.gitblit.models.RepositoryModel;
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import com.gitblit.models.UserModel;
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import com.gitblit.servlet.RawServlet;
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import com.gitblit.servlet.SyndicationServlet;
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import com.gitblit.utils.CommitCache;
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import com.gitblit.utils.JGitUtils;
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import com.gitblit.utils.RefLogUtils;
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import com.gitblit.utils.StringUtils;
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import com.gitblit.wicket.GitBlitWebSession;
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import com.gitblit.wicket.WicketUtils;
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import com.gitblit.wicket.pages.BranchesPage;
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import com.gitblit.wicket.pages.CommitPage;
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import com.gitblit.wicket.pages.GitSearchPage;
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import com.gitblit.wicket.pages.LogPage;
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import com.gitblit.wicket.pages.MetricsPage;
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import com.gitblit.wicket.pages.TreePage;
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public class BranchesPanel extends BasePanel {
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private static final long serialVersionUID = 1L;
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private final boolean hasBranches;
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public BranchesPanel(String wicketId, final RepositoryModel model, Repository r,
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final int maxCount, final boolean showAdmin) {
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super(wicketId);
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// branches
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List<RefModel> branches = new ArrayList<RefModel>();
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UserModel user = GitBlitWebSession.get().getUser();
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if (user == null) {
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user = UserModel.ANONYMOUS;
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}
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List<RefModel> localBranches = JGitUtils.getLocalBranches(r, false, -1);
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for (RefModel refModel : localBranches) {
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if (user.canView(model, refModel.reference.getName())) {
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branches.add(refModel);
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}
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}
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if (model.showRemoteBranches) {
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List<RefModel> remoteBranches = JGitUtils.getRemoteBranches(r, false, -1);
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for (RefModel refModel : remoteBranches) {
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if (user.canView(model, refModel.reference.getName())) {
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branches.add(refModel);
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}
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}
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}
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Collections.sort(branches);
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Collections.reverse(branches);
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if (maxCount > 0 && branches.size() > maxCount) {
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branches = new ArrayList<RefModel>(branches.subList(0, maxCount));
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}
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if (maxCount > 0) {
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// summary page
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// show branches page link
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add(new LinkPanel("branches", "title", new StringResourceModel("gb.branches", this,
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null), BranchesPage.class, WicketUtils.newRepositoryParameter(model.name)));
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} else {
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// branches page
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add(new Label("branches", new StringResourceModel("gb.branches", this, null)));
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}
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// only allow delete if we have multiple branches
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final boolean showDelete = showAdmin && branches.size() > 1;
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ListDataProvider<RefModel> branchesDp = new ListDataProvider<RefModel>(branches);
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DataView<RefModel> branchesView = new DataView<RefModel>("branch", branchesDp) {
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private static final long serialVersionUID = 1L;
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int counter;
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@Override
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public void populateItem(final Item<RefModel> item) {
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final RefModel entry = item.getModelObject();
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PageParameters shortUniqRef = WicketUtils.newObjectParameter(model.name,
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Repository.shortenRefName(entry.getName()));
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item.add(WicketUtils.createDateLabel("branchDate", entry.getDate(), getTimeZone(), getTimeUtils()));
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item.add(new LinkPanel("branchName", "list name", StringUtils.trimString(
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entry.displayName, 28), LogPage.class, shortUniqRef));
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String author = entry.getAuthorIdent().getName();
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LinkPanel authorLink = new LinkPanel("branchAuthor", "list", author,
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GitSearchPage.class, WicketUtils.newSearchParameter(model.name,
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entry.getName(), author, Constants.SearchType.AUTHOR));
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setPersonSearchTooltip(authorLink, author, Constants.SearchType.AUTHOR);
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item.add(authorLink);
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// short message
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String shortMessage = entry.getShortMessage();
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String trimmedMessage = StringUtils.trimString(shortMessage, Constants.LEN_SHORTLOG);
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LinkPanel shortlog = new LinkPanel("branchLog", "list subject", trimmedMessage,
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CommitPage.class, shortUniqRef);
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if (!shortMessage.equals(trimmedMessage)) {
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shortlog.setTooltip(shortMessage);
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}
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item.add(shortlog);
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if (maxCount <= 0) {
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Fragment fragment = new Fragment("branchLinks", showDelete? "branchPageAdminLinks" : "branchPageLinks", this);
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fragment.add(new BookmarkablePageLink<Void>("log", LogPage.class, shortUniqRef));
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fragment.add(new BookmarkablePageLink<Void>("tree", TreePage.class, shortUniqRef));
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String rawUrl = RawServlet.asLink(getContextUrl(), model.name, Repository.shortenRefName(entry.getName()), null);
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fragment.add(new ExternalLink("raw", rawUrl));
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fragment.add(new BookmarkablePageLink<Void>("metrics", MetricsPage.class, shortUniqRef));
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fragment.add(new ExternalLink("syndication", SyndicationServlet.asLink(
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getRequest().getRelativePathPrefixToContextRoot(), model.name,
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Repository.shortenRefName(entry.getName()), 0)));
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if (showDelete) {
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fragment.add(createDeleteBranchLink(model, entry));
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}
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item.add(fragment);
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} else {
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Fragment fragment = new Fragment("branchLinks", "branchPanelLinks", this);
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fragment.add(new BookmarkablePageLink<Void>("log", LogPage.class, shortUniqRef));
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fragment.add(new BookmarkablePageLink<Void>("tree", TreePage.class, shortUniqRef));
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String rawUrl = RawServlet.asLink(getContextUrl(), model.name, Repository.shortenRefName(entry.getName()), null);
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fragment.add(new ExternalLink("raw", rawUrl));
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item.add(fragment);
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}
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WicketUtils.setAlternatingBackground(item, counter);
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counter++;
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}
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};
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add(branchesView);
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if (branches.size() < maxCount || maxCount <= 0) {
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add(new Label("allBranches", "").setVisible(false));
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} else {
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add(new LinkPanel("allBranches", "link", new StringResourceModel("gb.allBranches",
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this, null), BranchesPage.class, WicketUtils.newRepositoryParameter(model.name)));
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}
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// We always have 1 branch
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hasBranches = (branches.size() > 1)
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|| ((branches.size() == 1) && !branches.get(0).displayName
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.equalsIgnoreCase("master"));
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}
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public BranchesPanel hideIfEmpty() {
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setVisible(hasBranches);
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return this;
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}
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private Link<Void> createDeleteBranchLink(final RepositoryModel repositoryModel, final RefModel entry)
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{
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Link<Void> deleteLink = new Link<Void>("deleteBranch") {
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private static final long serialVersionUID = 1L;
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@Override
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public void onClick() {
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Repository r = app().repositories().getRepository(repositoryModel.name);
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if (r == null) {
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if (app().repositories().isCollectingGarbage(repositoryModel.name)) {
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error(MessageFormat.format(getString("gb.busyCollectingGarbage"), repositoryModel.name));
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} else {
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error(MessageFormat.format("Failed to find repository {0}", repositoryModel.name));
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}
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return;
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}
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final String branch = entry.getName();
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Ref ref = null;
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try {
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ref = r.getRef(branch);
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if (ref == null && !branch.startsWith(Constants.R_HEADS)) {
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ref = r.getRef(Constants.R_HEADS + branch);
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}
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} catch (IOException e) {
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}
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if (ref != null) {
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boolean success = JGitUtils.deleteBranchRef(r, ref.getName());
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if (success) {
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// clear commit cache
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CommitCache.instance().clear(repositoryModel.name, branch);
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// optionally update reflog
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if (RefLogUtils.hasRefLogBranch(r)) {
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UserModel user = GitBlitWebSession.get().getUser();
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RefLogUtils.deleteRef(user, r, ref);
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}
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}
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if (success) {
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info(MessageFormat.format("Branch \"{0}\" deleted", branch));
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} else {
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error(MessageFormat.format("Failed to delete branch \"{0}\"", branch));
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}
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}
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r.close();
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// redirect to the owning page
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PageParameters params = WicketUtils.newRepositoryParameter(repositoryModel.name);
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String relativeUrl = urlFor(getPage().getClass(), params).toString();
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String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
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getRequestCycle().setRequestTarget(new RedirectRequestTarget(absoluteUrl));
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}
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};
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deleteLink.add(new JavascriptEventConfirmation("onclick", MessageFormat.format(
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"Delete branch \"{0}\"?", entry.displayName )));
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return deleteLink;
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}
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}
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