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/*
* Copyright 2000-2011 JetBrains s.r.o.
*
* Licensed 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.
*/
package org.zmlx.hg4idea;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.Task;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.MessageType;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vcs.VcsNotifier;
import com.intellij.openapi.vcs.ui.VcsBalloonProblemNotifier;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.zmlx.hg4idea.action.HgCommandResultNotifier;
import org.zmlx.hg4idea.command.HgPushCommand;
import org.zmlx.hg4idea.execution.HgCommandResult;
import org.zmlx.hg4idea.execution.HgCommandResultHandler;
import org.zmlx.hg4idea.repo.HgRepository;
import org.zmlx.hg4idea.ui.HgPushDialog;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class HgPusher {
private static final Logger LOG = Logger.getInstance(HgPusher.class);
private static Pattern PUSH_COMMITS_PATTERN = Pattern.compile(".*added (\\d+) changesets.*");
// hg push command has definite exit values for some cases:
// mercurial returns 0 if push was successful, 1 if nothing to push. see hg push --help
private static int PUSH_SUCCEEDED_EXIT_VALUE = 0;
private static int NOTHING_TO_PUSH_EXIT_VALUE = 1;
private final Project myProject;
public HgPusher(Project project) {
myProject = project;
}
public void showDialogAndPush (@NotNull Collection<HgRepository> repositories,@Nullable final HgRepository selectedRepo) {
if (repositories.isEmpty()) {
VcsBalloonProblemNotifier.showOverChangesView(myProject, "No Mercurial repositories in the project", MessageType.ERROR);
return;
}
final AtomicReference<HgPushCommand> pushCommand = new AtomicReference<HgPushCommand>();
final HgPushDialog dialog = new HgPushDialog(myProject, repositories, selectedRepo);
dialog.show();
if (dialog.isOK()) {
pushCommand.set(preparePushCommand(myProject, dialog));
new Task.Backgroundable(myProject, "Pushing...", false) {
@Override
public void run(@NotNull ProgressIndicator indicator) {
if (pushCommand.get() != null) {
push(myProject, pushCommand.get());
}
}
}.queue();
}
}
private static void push(final Project project, HgPushCommand command) {
final VirtualFile repo = command.getRepo();
command.execute(new HgCommandResultHandler() {
@Override
public void process(@Nullable HgCommandResult result) {
if (result == null) {
return;
}
if (result.getExitValue() == PUSH_SUCCEEDED_EXIT_VALUE) {
int commitsNum = getNumberOfPushedCommits(result);
String successTitle = "Pushed successfully";
String successDescription = String.format("Pushed %d %s [%s]", commitsNum, StringUtil.pluralize("commit", commitsNum),
repo.getPresentableName());
VcsNotifier.getInstance(project).notifySuccess(successTitle, successDescription);
} else if (result.getExitValue() == NOTHING_TO_PUSH_EXIT_VALUE) {
VcsNotifier.getInstance(project).notifySuccess("Nothing to push");
} else {
new HgCommandResultNotifier(project).notifyError(result, "Push failed",
"Failed to push to [" + repo.getPresentableName() + "]");
}
}
});
}
private static HgPushCommand preparePushCommand(Project project, HgPushDialog dialog) {
final HgPushCommand command = new HgPushCommand(project, dialog.getRepository().getRoot(), dialog.getTarget());
command.setRevision(dialog.getRevision());
command.setForce(dialog.isForce());
command.setBranchName(dialog.getBranch());
command.setBookmarkName(dialog.getBookmarkName());
command.setIsNewBranch(dialog.isNewBranch());
return command;
}
private static int getNumberOfPushedCommits(HgCommandResult result) {
int numberOfCommitsInAllSubrepos = 0;
final List<String> outputLines = result.getOutputLines();
for (String outputLine : outputLines) {
outputLine = outputLine.trim();
final Matcher matcher = PUSH_COMMITS_PATTERN.matcher(outputLine);
if (matcher.matches()) {
try {
numberOfCommitsInAllSubrepos += Integer.parseInt(matcher.group(1));
}
catch (NumberFormatException e) {
LOG.error("getNumberOfPushedCommits ", e);
return -1;
}
}
}
return numberOfCommitsInAllSubrepos;
}
}
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