RemoteWatcher.cpp
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RemoteWatcher.cpp
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	#include "RemoteWatcher.h"
	#include "common/joinpath.h"
	#include <QFileInfo>

	void RemoteWatcher::start(MainWindow *mw)
	{
	mainwindow_ = mw;
	QThread::start();
	moveToThread(this);
	}

	void RemoteWatcher::setCurrent(QString const &remote, QString const &branch)
	{
	remote_ = remote;
	branch_ = branch;
	}

	void RemoteWatcher::checkRemoteUpdate()
	{
	QString dir = mainwindow()->currentWorkingCopyDir();

	QString refs;
	QString local_id;

	if (QFileInfo(dir).isDir()) {
	refs = "refs/remotes" / remote_ / branch_;
	QString head = dir / ".git" / refs;
	QFile file1(head);
	if (file1.open(QFile::ReadOnly)) {
	local_id = file1.readLine().trimmed();
	}
	refs = "refs/heads" / branch_;
	}
	if (local_id.isEmpty()) return;

	QString remote_id;
	GitPtr g = mainwindow()->git();
	auto list = g->ls_remote();
	for (auto const &item : list) {
	if (item.name == refs) {
	remote_id = item.commit_id;
	break;
	}
	}

	bool changed = remote_id != local_id;
	mainwindow()->notifyRemoteChanged(changed);
	}