/*
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* Copyright 2012 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.pages;
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import java.text.MessageFormat;
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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.slf4j.LoggerFactory;
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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.wicket.GitBlitWebApp;
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import com.gitblit.wicket.GitBlitWebSession;
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import com.gitblit.wicket.GitblitRedirectException;
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import com.gitblit.wicket.WicketUtils;
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public class ForkPage extends RepositoryPage {
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public ForkPage(PageParameters params) {
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super(params);
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setVersioned(false);
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GitBlitWebSession session = GitBlitWebSession.get();
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RepositoryModel repository = getRepositoryModel();
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UserModel user = session.getUser();
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boolean canFork = user.canFork(repository);
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if (!canFork) {
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// redirect to the summary page if this repository is not empty
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GitBlitWebSession.get().cacheErrorMessage(
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MessageFormat.format(getString("gb.forkNotAuthorized"), repository.name));
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throw new GitblitRedirectException(SummaryPage.class, WicketUtils.newRepositoryParameter(repository.name));
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}
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String fork = app().repositories().getFork(user.username, repository.name);
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if (fork != null) {
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// redirect to user's fork
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throw new GitblitRedirectException(SummaryPage.class, WicketUtils.newRepositoryParameter(fork));
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}
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add(new Label("forkText", getString("gb.preparingFork")));
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if (!session.isForking()) {
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// prepare session
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session.isForking(true);
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// fork it
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ForkThread forker = new ForkThread(app(), repository, session);
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forker.start();
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}
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}
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@Override
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protected boolean allowForkControls() {
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return false;
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}
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@Override
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protected String getPageName() {
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return "fork";
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}
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/**
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* ForkThread does the work of working the repository in a background
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* thread. The completion status is tracked through a session variable and
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* monitored by this page.
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*/
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private static class ForkThread extends Thread {
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private final GitBlitWebApp app;
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private final RepositoryModel repository;
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private final GitBlitWebSession session;
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public ForkThread(GitBlitWebApp app, RepositoryModel repository, GitBlitWebSession session) {
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this.app = app;
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this.repository = repository;
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this.session = session;
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}
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@Override
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public void run() {
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UserModel user = session.getUser();
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try {
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app.gitblit().fork(repository, user);
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} catch (Exception e) {
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LoggerFactory.getLogger(ForkPage.class).error(MessageFormat.format("Failed to fork {0} for {1}", repository.name, user.username), e);
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} finally {
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session.isForking(false);
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}
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}
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}
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}
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