QStringList MercurialClient::parentRevisionsSync(const QString &workingDirectory,
const QString &file /* = QString() */,
const QString &revision)
{
QStringList parents;
QStringList args;
args << QLatin1String("parents") << QLatin1String("-r") <<revision;
if (!file.isEmpty())
args << file;
QByteArray outputData;
if (!vcsFullySynchronousExec(workingDirectory, args, &outputData))
return QStringList();
const QString output = Utils::SynchronousProcess::normalizeNewlines(
QString::fromLocal8Bit(outputData));
/* Looks like: \code
changeset: 0:031a48610fba
user: ...
\endcode */
// Obtain first line and split by blank-delimited tokens
VcsBase::VcsBaseOutputWindow *outputWindow = VcsBase::VcsBaseOutputWindow::instance();
const QStringList lines = output.split(QLatin1Char('\n'));
if (lines.size() < 1) {
outputWindow->appendSilently(msgParentRevisionFailed(workingDirectory, revision, msgParseParentsOutputFailed(output)));
return QStringList();
}
QStringList changeSets = lines.front().simplified().split(QLatin1Char(' '));
if (changeSets.size() < 2) {
outputWindow->appendSilently(msgParentRevisionFailed(workingDirectory, revision, msgParseParentsOutputFailed(output)));
return QStringList();
}
// Remove revision numbers
const QChar colon = QLatin1Char(':');
const QStringList::iterator end = changeSets.end();
QStringList::iterator it = changeSets.begin();
for (++it; it != end; ++it) {
const int colonIndex = it->indexOf(colon);
if (colonIndex != -1)
parents.push_back(it->mid(colonIndex + 1));
}
return parents;
}
