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	diff --git a/src/Git.cpp b/src/Git.cpp
	index e64713d..238565a 100644
	--- a/src/Git.cpp
	+++ b/src/Git.cpp
	@@ -1,1566 +1,1565 @@

	#include "Git.h"
	#include "GitObjectManager.h"
	#include "MyProcess.h"
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include <QDateTime>
	#include <QDebug>
	#include <QDir>
	#include <QDirIterator>
	#include <QProcess>
	#include <QThread>
	#include <QTimer>
	#include <set>

	#define DEBUGLOG 0

	using callback_t = Git::callback_t;

	struct Git::Private {
	QString git_command;
	QString ssh_command;// = "C:/Program Files/Git/usr/bin/ssh.exe";
	QString ssh_key_override;// = "C:/a/id_rsa";
	std::vector<char> result;
	QString error_message;
	int process_exit_code = 0;
	QString working_repo_dir;
	callback_t fn_log_writer_callback = nullptr;
	void *callback_cookie = nullptr;
	};

	Git::Git()
	: m(new Private)
	{
	}

	Git::Git(const Context &cx, QString const &repodir, const QString &sshkey)
	: m(new Private)
	{
	setGitCommand(cx.git_command, cx.ssh_command);
	setWorkingRepositoryDir(repodir, sshkey);
	}

	Git::~Git()
	{
	delete m;
	}

	void Git::setLogCallback(callback_t func, void *cookie)
	{
	m->fn_log_writer_callback = func;
	m->callback_cookie = cookie;
	}

	void Git::setWorkingRepositoryDir(QString const &repo, QString const &sshkey)
	{
	m->working_repo_dir = repo;
	m->ssh_key_override = sshkey;
	}

	QString const &Git::workingRepositoryDir() const
	{
	return m->working_repo_dir;
	}

	QString const &Git::sshKey() const
	{
	return m->ssh_key_override;
	}

	void Git::setSshKey(QString const &sshkey) const
	{
	m->ssh_key_override = sshkey;
	}

	bool Git::isValidID(QString const &id)
	{
	int zero = 0;
	int n = id.size();
	if (n >= 4 && n <= GIT_ID_LENGTH) {
	ushort const *p = id.utf16();
	for (int i = 0; i < n; i++) {
	uchar c = p[i];
	if (c == '0') {
	zero++;
	} else if ((c >= '0' && c <= '9') \|\| (c >= 'a' && c <= 'f')) {
	// ok
	} else {
	return false;
	}
	}
	if (zero == GIT_ID_LENGTH) { // 全部 0 の時は false を返す
	return false;
	}
	return true; // ok
	}
	return false;
	}

	QString Git::status()
	{
	git("status");
	return resultText();
	}

	QByteArray Git::toQByteArray() const
	{
	if (m->result.empty()) return QByteArray();
	return QByteArray(&m->result[0], m->result.size());
	}

	QString Git::resultText() const
	{
	return QString::fromUtf8(toQByteArray());
	}
	void Git::setGitCommand(QString const &gitcmd, QString const &sshcmd)
	{
	m->git_command = gitcmd;
	m->ssh_command = sshcmd;
	}

	QString Git::gitCommand() const
	{
	Q_ASSERT(m);
	return m->git_command;
	}

	void Git::clearResult()
	{
	m->result.clear();
	m->process_exit_code = 0;
	m->error_message = QString();
	}

	QString Git::errorMessage() const
	{
	return m->error_message;
	}

	int Git::getProcessExitCode() const
	{
	return m->process_exit_code;
	}

	bool Git::chdirexec(std::function<bool()> const &fn)
	{
	bool ok = false;
	QString cwd = QDir::currentPath();
	QString dir = workingRepositoryDir();
	if (QDir::setCurrent(dir)) {

	ok = fn();

	QDir::setCurrent(cwd);
	}
	return ok;
	}

	bool Git::git(QString const &arg, bool chdir, bool errout, AbstractPtyProcess *pty)
	{
	QFileInfo info(gitCommand());
	if (!info.isExecutable()) {
	qDebug() << "Invalid git command: " << gitCommand();
	return false;
	}
	#if DEBUGLOG
	qDebug() << "exec: git " << arg;
	QTime timer;
	timer.start();
	#endif
	clearResult();

	QString env;
	if (m->ssh_command.isEmpty() \|\| m->ssh_key_override.isEmpty()) {
	// nop
	} else {
	if (m->ssh_command.indexOf('\"') >= 0) return false;
	if (m->ssh_key_override.indexOf('\"') >= 0) return false;
	if (!QFileInfo(m->ssh_command).isExecutable()) return false;
	env = QString("GIT_SSH_COMMAND=\"%1\" -i \"%2\" ").arg(m->ssh_command).arg(m->ssh_key_override);
	}

	auto DoIt = [&](){
	QString cmd = QString("\"%1\" --no-pager ").arg(gitCommand());
	cmd += arg;

	if (m->fn_log_writer_callback) {
	QByteArray ba;
	ba.append("> git ");
	ba.append(arg);
	ba.append('\n');
	m->fn_log_writer_callback(m->callback_cookie, ba.data(), (int)ba.size());
	}

	if (pty) {
	pty->start(cmd, env, pty->userVariant());
	m->process_exit_code = 0; // バックグラウンドで実行を継続するけど、とりあえず成功したことにしておく
	} else {
	Process proc;
	proc.start(cmd, false);
	m->process_exit_code = proc.wait();

	if (errout) {
	m->result = proc.errbytes;
	} else {
	m->result = proc.outbytes;
	}
	m->error_message = proc.errstring();
	}

	return m->process_exit_code == 0;
	};

	bool ok = false;

	if (chdir) {
	if (pty) {
	pty->setChangeDir(workingRepositoryDir());
	ok = DoIt();
	} else {
	ok = chdirexec(DoIt);
	}
	} else {
	ok = DoIt();
	}

	#if DEBUGLOG
	qDebug() << timer.elapsed() << "ms";
	#endif

	return ok;
	}

	GitPtr Git::dup() const
	{
	Git *p = new Git();
	p->m->git_command = m->git_command;
	p->m->working_repo_dir = m->working_repo_dir;
	p->m->fn_log_writer_callback = m->fn_log_writer_callback;
	p->m->callback_cookie = m->callback_cookie;
	return GitPtr(p);
	}

	bool Git::isValidWorkingCopy(QString const &dir)
	{
	return QFileInfo(dir).isDir() && QDir(dir / ".git").exists();
	}

	bool Git::isValidWorkingCopy() const
	{
	return isValidWorkingCopy(workingRepositoryDir());
	}

	QString Git::version()
	{
	git("--version", false);
	return resultText().trimmed();
	}



	bool Git::init()
	{
	bool ok = false;
	QDir cwd = QDir::current();
	QString dir = workingRepositoryDir();
	if (QDir::setCurrent(dir)) {
	QString gitdir = dir / ".git";
	if (!QFileInfo(gitdir).isDir()) {
	git("init", false);
	if (QFileInfo(gitdir).isDir()) {
	ok = true;
	}
	}
	QDir::setCurrent(cwd.path());
	}
	return ok;
	}

	QString Git::rev_parse(QString const &name)
	{
	QString cmd = "rev-parse %1";
	cmd = cmd.arg(name);
	if (git(cmd)) {
	return resultText().trimmed();
	}
	return QString();
	}

	QList<Git::Tag> Git::tags()
	{
	#if 0
	auto MidCmp = [](QString const &line, int i, char const *ptr){
	ushort const *p = line.utf16();
	for (int j = 0; ptr[j]; j++) {
	if (p[i + j] != ptr[j]) return false;
	}
	return true;
	};
	QList<Git::Tag> list;
	QStringList lines = refs();
	for (QString const &line : lines) {
	Tag tag;
	if (line.isEmpty()) continue;
	int i = line.indexOf(' ');
	if (i == GIT_ID_LENGTH) {
	tag.id = line.mid(0, i);
	if (MidCmp(line, i, " refs/tags/")) {
	tag.name = line.mid(i + 11).trimmed();
	if (tag.name.isEmpty()) continue;
	list.push_back(tag);
	}
	}
	}
	return list;
	#else
	return tags2();
	#endif
	}

	QList<Git::Tag> Git::tags2()
	{
	QList<Tag> list;
	git("show-ref");
	QStringList lines = misc::splitLines(resultText());
	for (QString const &line : lines) {
	QStringList l = misc::splitWords(line);
	if (l.size() >= 2) {
	if (isValidID(l[0]) && l[1].startsWith("refs/tags/")) {
	Tag t;
	t.name = l[1].mid(10);
	t.id = l[0];
	list.push_back(t);
	}
	}
	}
	return list;
	}

	bool Git::tag(QString const &name, QString const &id)
	{
	QString cmd = "tag \"%1\" %2";
	cmd = cmd.arg(name).arg(id);
	return git(cmd);
	}

	void Git::delete_tag(QString const &name, bool remote)
	{
	QString cmd = "tag --delete \"%1\"";
	cmd = cmd.arg(name);
	git(cmd);

	if (remote) {
	QString cmd = "push --delete origin \"%1\"";
	cmd = cmd.arg(name);
	git(cmd);
	}
	}

	QString Git::diff(QString const &old_id, QString const &new_id)
	{
	QString cmd = "diff --full-index -a %1 %2";
	cmd = cmd.arg(old_id).arg(new_id);
	git(cmd);
	return resultText();
	}

	QString Git::diff_file(QString const &old_path, QString const &new_path)
	{
	QString cmd = "diff --full-index -a -- %1 %2";
	cmd = cmd.arg(old_path).arg(new_path);
	git(cmd);
	return resultText();
	}

	QList<Git::DiffRaw> Git::diff_raw(QString const &old_id, QString const &new_id)
	{
	QList<DiffRaw> list;
	QString cmd = "diff --raw --abbrev=%1 %2 %3";
	cmd = cmd.arg(GIT_ID_LENGTH).arg(old_id).arg(new_id);
	git(cmd);
	QString text = resultText();
	QStringList lines = text.split('\n', QString::SkipEmptyParts);
	for (QString const &line : lines) { // raw format: e.g. ":100644 100644 08bc10d... 18f0501... M src/MainWindow.cpp"
	DiffRaw item;
	int colon = line.indexOf(':');
	int tab = line.indexOf('\t');
	if (colon >= 0 && colon < tab) {
	QStringList header = line.mid(colon + 1, tab - colon - 1).split(' ', QString::SkipEmptyParts); // コロンとタブの間の文字列を空白で分割
	if (header.size() >= 5) {
	QStringList files = line.mid(tab + 1).split('\t', QString::SkipEmptyParts); // タブより後ろはファイルパス
	if (!files.empty()) {
	for (QString &file : files) {
	file = Git::trimPath(file);
	}
	item.a.id = header[2];
	item.b.id = header[3];
	item.a.mode = header[0];
	item.b.mode = header[1];
	item.state = header[4];
	item.files = files;
	list.push_back(item);
	}
	}
	}
	}
	return list;
	}

	QString Git::diff_to_file(QString const &old_id, QString const &path)
	{
	#if 1
	QString cmd = "diff --full-index -a %1 -- \"%2\"";
	cmd = cmd.arg(old_id).arg(path);
	git(cmd);
	return resultText();
	#else
	return diff_(old_id, new_id);
	#endif
	}

	QString Git::getCurrentBranchName()
	{
	if (isValidWorkingCopy()) {
	git("rev-parse --abbrev-ref HEAD");
	QString s = resultText().trimmed();
	if (!s.isEmpty() && !s.startsWith("fatal:") && s.indexOf(' ') < 0) {
	return s;
	}
	}
	return QString();
	}

	QStringList Git::getUntrackedFiles()
	{
	QStringList files;
	Git::FileStatusList stats = status_s();
	for (FileStatus const &s : stats) {
	if (s.code() == FileStatusCode::Untracked) {
	files.push_back(s.path1());
	}
	}
	return files;
	}

	void Git::parseAheadBehind(QString const &s, Branch *b)
	{
	ushort const *begin = s.utf16();
	ushort const *end = begin + s.size();
	ushort const *ptr = begin;

	auto NCompare = [](ushort const a, char const b, size_t n){
	for (size_t i = 0; i < n; i++) {
	if (a < (unsigned char)b) return false;
	if (a > (unsigned char)b) return false;
	if (!*a) break;
	a++;
	b++;
	}
	return true;
	};

	auto SkipSpace = [&](){
	while (ptr < end && QChar(*ptr).isSpace()) {
	ptr++;
	}
	};

	auto GetNumber = [&](){
	int n = 0;
	while (ptr < end && QChar(*ptr).isDigit()) {
	n = n * 10 + (*ptr - '0');
	ptr++;
	}
	return n;
	};

	if (*ptr == '[') {
	ptr++;
	ushort const *e = nullptr;
	int n;
	for (n = 0; ptr + n < end; n++) {
	if (ptr[n] == ']') {
	e = ptr + n;
	break;
	}
	}
	if (e) {
	end = e;
	while (1) {
	if (NCompare(ptr, "ahead ", 6)) {
	ptr += 6;
	SkipSpace();
	b->ahead = GetNumber();
	} else if (NCompare(ptr, "behind ", 7)) {
	ptr += 7;
	SkipSpace();
	b->behind = GetNumber();
	} else {
	ushort c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == 0) break;
	ptr++;
	}
	}
	}
	}
	}

	QList<Git::Branch> Git::branches()
	{
	QList<Branch> branches;
	git(QString("branch -vv -a --abbrev=%1").arg(GIT_ID_LENGTH));
	QString s = resultText();
	#if DEBUGLOG
	qDebug() << s;
	#endif

	QStringList lines = misc::splitLines(s);
	for (QString const &line : lines) {
	if (line.size() > 2) {
	QString name;
	QString text = line.mid(2);
	int pos = 0;
	if (text.startsWith('(')) {
	int i, paren = 1;
	for (i = 1; i < text.size(); i++) {
	if (text[i] == '(') {
	paren++;
	} else if (text[i] == ')') {
	if (paren > 0) {
	paren--;
	if (paren == 0) {
	pos = i;
	break;
	}
	}
	}
	}
	// pos = text.indexOf(')');
	if (pos > 1) {
	name = text.mid(1, pos - 1);
	pos++;
	}
	} else {
	while (pos < text.size() && !QChar::isSpace(text.utf16()[pos])) {
	pos++;
	}
	name = text.mid(0, pos);
	}
	if (!name.isEmpty()) {
	while (pos < text.size() && QChar::isSpace(text.utf16()[pos])) {
	pos++;
	}
	text = text.mid(pos);

	Branch b;

	if (name.startsWith("HEAD detached at ")) {
	b.flags \|= Branch::HeadDetachedAt;
	name = name.mid(17);
	}

	if (name.startsWith("HEAD detached from ")) {
	b.flags \|= Branch::HeadDetachedFrom;
	name = name.mid(19);
	}

	if (name.startsWith("remotes/")) {
	name = name.mid(8);
	int i = name.indexOf('/');
	if (i > 0) {
	b.remote = name.mid(0, i);
	name = name.mid(i + 1);
	}
	}

	b.name = name;

	if (text.startsWith("-> ")) {
	b.id = ">" + text.mid(3);
	} else {
	int i = text.indexOf(' ');
	if (i == GIT_ID_LENGTH) {
	b.id = text.mid(0, GIT_ID_LENGTH);
	}
	while (i < text.size() && QChar::isSpace(text.utf16()[i])) {
	i++;
	}
	text = text.mid(i);
	parseAheadBehind(text, &b);
	}

	if (line.startsWith('*')) {
	b.flags \|= Branch::Current;
	}

	branches.push_back(b);
	}
	}
	}
	for (int i = 0; i < branches.size(); i++) {
	Branch *b = &branches[i];
	if (b->id.startsWith('>')) {
	QString name = b->id.mid(1);
	for (int j = 0; j < branches.size(); j++) {
	if (j != i) {
	if (branches[j].name == name) {
	branches[i].id = branches[j].id;
	break;
	}
	}
	}
	}
	}
	return branches;
	}

	Git::CommitItemList Git::log_all(QString const &id, int maxcount)
	{
	CommitItemList items;
	QString text;

	QString cmd = "log --pretty=format:\"commit:%H#gpg:%G?#key:%GK#parent:%P#author:%an#mail:%ae#date:%ci##%s\" --all -%1 %2";
	cmd = cmd.arg(maxcount).arg(id);
	git(cmd);
	if (getProcessExitCode() == 0) {
	text = resultText().trimmed();
	QStringList lines = misc::splitLines(text);
	for (QString const &line : lines) {
	int i = line.indexOf("##");
	if (i > 0) {
	Git::CommitItem item;
	QString signed_key;
	item.message = line.mid(i + 2);
	QStringList atts = line.mid(0, i).split('#');
	for (QString const &s : atts) {
	int j = s.indexOf(':');
	if (j > 0) {
	QString key = s.mid(0, j);
	QString val = s.mid(j + 1);
	if (key == "commit") {
	item.commit_id = val;
	} else if (key == "gpg") {
	item.signature = *val.utf16();
	} else if (key == "key") {
	signed_key = val;
	} else if (key == "parent") {
	item.parent_ids = val.split(' ', QString::SkipEmptyParts);
	} else if (key == "author") {
	item.author = val;
	} else if (key == "mail") {
	item.email = val;
	} else if (key == "date") {
	item.commit_date = QDateTime::fromString(val, Qt::ISODate).toLocalTime();
	} else if (key == "debug") {
	}
	}
	}
	if (!signed_key.isEmpty()) {
	ushort const *begin = signed_key.utf16();
	int n = signed_key.size();
	for (int i = 0; i + 1 < n; i += 2) {
	ushort c = begin[i];
	ushort d = begin[i + 1];
	if (c < 0x80 && isxdigit(c) && isxdigit(d)) {
	char tmp[3];
	tmp[0] = c;
	tmp[1] = d;
	tmp[2] = 0;
	int v = strtol(tmp, nullptr, 16);
	item.fingerprint.push_back(v);
	} else {
	break;
	}
	}
	}
	items.push_back(item);
	}
	}
	}
	return items;
	}

	Git::CommitItemList Git::log(int maxcount)
	{
	return log_all(QString(), maxcount);
	}

	bool Git::queryCommit(QString const &id, CommitItem *out)
	{
	if (objectType(id) == "commit") {
	out->commit_id = id;
	QByteArray ba;
	if (cat_file(id, &ba)) {
	QStringList lines = misc::splitLines(ba, [](char const *p, size_t n){
	return QString::fromUtf8(p, (int)n);
	});
	while (!lines.empty() && lines[lines.size() - 1].isEmpty()) {
	lines.pop_back();
	}

	int i;
	for (i = 0; i < lines.size(); i++) {
	QString const &line = lines[i];
	if (line.isEmpty()) {
	i++;
	for (; i < lines.size(); i++) {
	QString const &line = lines[i];
	if (!out->message.isEmpty()) {
	out->message.append('\n');
	}
	out->message.append(line);
	}
	break;
	}
	if (line.startsWith("parent ")) {
	out->parent_ids.push_back(line.mid(7));
	} else if (line.startsWith("author ")) {
	QStringList arr = misc::splitWords(line);
	int n = arr.size();
	if (n > 4) {
	n -= 2;
	out->commit_date = QDateTime::fromTime_t(atol(arr[n].toStdString().c_str()));
	n--;
	out->email = arr[n];
	if (out->email.startsWith('<') && out->email.endsWith('>')) {
	int n = out->email.size();
	out->email = out->email.mid(1, n - 2);
	}
	for (int i = 1; i < n; i++) {
	if (!out->author.isEmpty()) {
	out->author += ' ';
	}
	out->author += arr[i];
	}
	}
	}
	}
	}
	return true;
	}
	return false;
	}

	Git::CloneData Git::preclone(QString const &url, QString const &path)
	{
	CloneData d;
	d.url = url;
	if (path.endsWith('/') \|\| path.endsWith('\\')) {
	auto GitBaseName = [](QString location){
	int i = location.lastIndexOf('/');
	int j = location.lastIndexOf('\\');
	if (i < j) i = j;
	i = i < 0 ? 0 : (i + 1);
	j = location.size();
	if (location.endsWith(".git")) {
	j -= 4;
	}
	if (i < j) {
	location = location.mid(i, j - i);
	}
	return location;
	};
	d.basedir = path;
	d.subdir = GitBaseName(url);
	} else {
	QFileInfo info(path);
	d.basedir = info.dir().path();
	d.subdir = info.fileName();
	}
	return d;
	}

	bool Git::clone(CloneData const &data, AbstractPtyProcess *pty)
	{
	QString clone_to = data.basedir / data.subdir;
	m->working_repo_dir = misc::normalizePathSeparator(clone_to);

	bool ok = false;
	QDir cwd = QDir::current();

	auto DoIt = [&](){
	QString cmd = "clone --progress \"%1\" \"%2\"";
	cmd = cmd.arg(data.url).arg(data.subdir);
	ok = git(cmd, false, true, pty);
	};

	if (pty) {
	pty->setChangeDir(data.basedir);
	DoIt();
	} else {
	if (QDir::setCurrent(data.basedir)) {
	DoIt();
	QDir::setCurrent(cwd.path());
	}
	}

	return ok;
	}

	std::vector<Git::Submodule> Git::submodules()
	{
	std::vector<Git::Submodule> mods;

	git("submodule");
	QString text = resultText();
	- int i = 0;
	ushort c = text.utf16()[0];
	if (c == ' ' \|\| c == '-') {
	text = text.mid(1);
	}
	QStringList words = misc::splitWords(text);
	if (words.size() >= 2) {
	Submodule sm;
	sm.id = words[0];
	sm.path = words[1];
	if (isValidID(sm.id)) {
	if (words.size() >= 3) {
	sm.refs = words[2];
	if (sm.refs.startsWith('(') && sm.refs.endsWith(')')) {
	sm.refs = sm.refs.mid(1, sm.refs.size() - 2);
	}
	}
	mods.push_back(sm);
	}
	}
	return mods;
	}

	bool Git::submodule_add(CloneData const &data, AbstractPtyProcess *pty)
	{
	bool ok = false;

	QString cmd = "submodule add \"%1\" \"%2\"";
	cmd = cmd.arg(data.url).arg(data.subdir);
	ok = git(cmd, true, true, pty);

	return ok;
	}

	bool Git::submodule_update(SubmoduleUpdateData const &data, AbstractPtyProcess *pty)
	{
	bool ok = false;

	QString cmd = "submodule update";
	if (data.init) {
	cmd += " --init";
	}
	if (data.recursive) {
	cmd += " --recursive";
	}
	ok = git(cmd, true, true, pty);

	return ok;

	}

	QString Git::encodeQuotedText(QString const &str)
	{
	std::vector<ushort> vec;
	ushort const *begin = str.utf16();
	ushort const *end = begin + str.size();
	ushort const *ptr = begin;
	vec.push_back('\"');
	while (ptr < end) {
	ushort c = *ptr;
	ptr++;
	if (c == '\"') { // triple quotes
	vec.push_back(c);
	vec.push_back(c);
	vec.push_back(c);
	} else {
	vec.push_back(c);
	}
	}
	vec.push_back('\"');
	return QString::fromUtf16(&vec[0], vec.size());
	}

	bool Git::commit_(QString const &msg, bool amend, bool sign, AbstractPtyProcess *pty)
	{
	QString cmd = "commit";
	if (amend) {
	cmd += " --amend";
	}
	if (sign) {
	cmd += " -S";
	}

	QString text = msg.trimmed();
	if (text.isEmpty()) {
	text = "no message";
	}
	text = encodeQuotedText(text);
	cmd += QString(" -m %1").arg(text);

	return git(cmd, true, false, pty);
	}

	bool Git::commit(QString const &text, bool sign, AbstractPtyProcess *pty)
	{
	return commit_(text, false, sign, pty);
	}

	bool Git::commit_amend_m(QString const &text, bool sign, AbstractPtyProcess *pty)
	{
	return commit_(text, true, sign, pty);
	}

	bool Git::revert(QString const &id)
	{
	QString cmd = "revert %1";
	cmd = cmd.arg(id);
	return git(cmd);
	}

	void Git::push_u(QString const &remote, QString const &branch, AbstractPtyProcess *pty)
	{
	if (remote.indexOf('\"') >= 0 \|\| branch.indexOf('\"') >= 0) {
	return;
	}
	QString cmd = "push -u \"%1\" \"%2\"";
	git(cmd.arg(remote).arg(branch), true, false, pty);
	}

	bool Git::push_(bool tags, AbstractPtyProcess *pty)
	{
	QString cmd = "push";
	if (tags) {
	cmd += " --tags";
	}
	return git(cmd, true, false, pty);
	}

	bool Git::push(bool tags, AbstractPtyProcess *pty)
	{
	return push_(tags, pty);
	}


	Git::FileStatusList Git::status_s_()
	{
	FileStatusList files;
	if (git("status -s -u --porcelain")) {
	QString text = resultText();
	QStringList lines = misc::splitLines(text);
	for (QString const &line : lines) {
	if (line.size() > 3) {
	FileStatus s(line);
	if (s.code() != FileStatusCode::Unknown) {
	files.push_back(s);
	}
	}
	}
	}
	return files;
	}

	Git::FileStatusList Git::status_s()
	{
	return status_s_();
	}

	QString Git::objectType(QString const &id)
	{
	git("cat-file -t " + id);
	return resultText().trimmed();
	}

	QByteArray Git::cat_file_(QString const &id)
	{
	git("cat-file -p " + id);
	return toQByteArray();
	}

	bool Git::cat_file(QString const &id, QByteArray *out)
	{
	if (isValidID(id)) {
	*out = cat_file_(id);
	return true;
	}
	return false;
	}

	void Git::resetFile(QString const &path)
	{
	git("checkout -- " + path);
	}

	void Git::resetAllFiles()
	{
	git("reset --hard HEAD");
	}

	void Git::removeFile(QString const &path)
	{
	git("rm " + path);
	}

	void Git::stage(QString const &path)
	{
	git("add " + path);
	}

	void Git::stage(QStringList const &paths)
	{
	QString cmd = "add";
	for (QString const &path : paths) {
	cmd += ' ';
	cmd += '\"';
	cmd += path;
	cmd += '\"';
	}
	git(cmd);
	}

	void Git::unstage(QString const &path)
	{
	QString cmd = "reset HEAD \"%1\"";
	git(cmd.arg(path));
	}

	void Git::unstage(QStringList const &paths)
	{
	QString cmd = "reset HEAD";
	for (QString const &path : paths) {
	cmd += " \"";
	cmd += path;
	cmd += '\"';
	}
	git(cmd);
	}

	void Git::pull(AbstractPtyProcess *pty)
	{
	git("pull", true, false, pty);
	}

	void Git::fetch(AbstractPtyProcess *pty, bool prune)
	{
	QString cmd = "fetch --tags -f";
	if (prune) {
	cmd += " --prune";
	}
	git(cmd, true, false, pty);
	}

	void Git::fetch_tags_f(AbstractPtyProcess *pty)
	{
	QString cmd = "fetch --tags -f";
	git(cmd, true, false, pty);
	}

	QStringList Git::make_branch_list_()
	{
	QStringList list;
	QStringList l = misc::splitLines(resultText());
	for (QString const &s : l) {
	if (s.startsWith("* ")) list.push_back(s.mid(2));
	if (s.startsWith(" ")) list.push_back(s.mid(2));
	}
	return list;
	}

	void Git::createBranch(QString const &name)
	{
	git("branch " + name);
	}

	void Git::checkoutBranch(QString const &name)
	{
	git("checkout " + name);
	}

	void Git::cherrypick(QString const &name)
	{
	git("cherry-pick " + name);
	}

	QString Git::getCherryPicking() const
	{
	QString dir = workingRepositoryDir();
	QString path = dir / ".git/CHERRY_PICK_HEAD";
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	QString line = QString::fromLatin1(file.readLine()).trimmed();
	if (isValidID(line)) {
	return line;
	}
	}
	return QString();
	}

	QString Git::getMessage(QString const &id)
	{
	git("show --no-patch --pretty=%s " + id);
	return resultText().trimmed();
	}

	void Git::mergeBranch(QString const &name, MergeFastForward ff)
	{
	QString cmd = "merge ";
	switch (ff) {
	case MergeFastForward::No:
	cmd += "--no-ff ";
	break;
	case MergeFastForward::Only:
	cmd += "--ff-only ";
	break;
	default:
	cmd += "--ff ";
	break;
	}
	git(cmd + name);
	}

	void Git::rebaseBranch(QString const &name)
	{
	git("rebase " + name);
	}

	QStringList Git::getRemotes()
	{
	QStringList ret;
	git("remote");
	QStringList lines = misc::splitLines(resultText());
	for (QString const &line: lines) {
	if (!line.isEmpty()) {
	ret.push_back(line);
	}
	}
	return ret;
	}

	Git::User Git::getUser(Source purpose)
	{
	User user;
	bool global = purpose == Git::Source::Global;
	bool local = purpose == Git::Source::Local;
	QString arg1;
	if (global) arg1 = "--global";
	if (local) arg1 = "--local";
	bool chdir = !global;
	if (git(QString("config %1 user.name").arg(arg1), chdir)) {
	user.name = resultText().trimmed();
	}
	if (git(QString("config %1 user.email").arg(arg1), chdir)) {
	user.email = resultText().trimmed();
	}
	return user;
	}

	void Git::setUser(const User &user, bool global)
	{
	bool chdir = !global;
	git(QString("config %1 user.name %2").arg(global ? "--global" : "").arg(encodeQuotedText(user.name)), chdir);
	git(QString("config %1 user.email %2").arg(global ? "--global" : "").arg(encodeQuotedText(user.email)), chdir);
	}

	bool Git::reset_head1()
	{
	return git("reset HEAD~1");
	}

	bool Git::reset_hard()
	{
	return git("reset --hard");
	}

	bool Git::clean_df()
	{
	return git("clean -df");
	}

	bool Git::stash()
	{
	return git("stash");
	}

	bool Git::stash_apply()
	{
	return git("stash apply");
	}

	bool Git::stash_drop()
	{
	return git("stash drop");
	}

	bool Git::rm_cached(QString const &file)
	{
	QString cmd = "rm --cached \"%1\"";
	return git(cmd.arg(file));
	}

	void Git::getRemoteURLs(QList<Remote> *out)
	{
	out->clear();
	git("remote -v");
	QStringList lines = misc::splitLines(resultText());
	for (QString const &line : lines) {
	int i = line.indexOf('\t');
	int j = line.indexOf(" (");
	if (i > 0 && i < j) {
	Remote r;
	r.name = line.mid(0, i);
	r.url = line.mid(i + 1, j - i - 1);
	r.purpose = line.mid(j + 1);
	r.ssh_key = m->ssh_key_override;
	if (r.purpose.startsWith('(') && r.purpose.endsWith(')')) {
	r.purpose = r.purpose.mid(1, r.purpose.size() - 2);
	}
	out->push_back(r);
	}
	}
	}

	void Git::setRemoteURL(Git::Remote const &remote)
	{
	QString cmd = "remote set-url %1 %2";
	cmd = cmd.arg(encodeQuotedText(remote.name)).arg(encodeQuotedText(remote.url));
	git(cmd);
	}

	void Git::addRemoteURL(Git::Remote const &remote)
	{
	QString cmd = "remote add \"%1\" \"%2\"";
	cmd = cmd.arg(encodeQuotedText(remote.name)).arg(encodeQuotedText(remote.url));
	m->ssh_key_override = remote.ssh_key;
	git(cmd);
	}

	void Git::removeRemote(QString const &name)
	{
	QString cmd = "remote remove %1";
	cmd = cmd.arg(encodeQuotedText(name));
	git(cmd);
	}

	bool Git::reflog(ReflogItemList *out, int maxcount)
	{
	out->clear();
	QString cmd = "reflog --no-abbrev --raw -n %1";
	cmd = cmd.arg(maxcount);
	if (!git(cmd)) return false;
	QByteArray ba = toQByteArray();
	if (!ba.isEmpty()) {
	ReflogItem item;
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	char const *left = begin;
	char const *ptr = begin;
	while (1) {
	int c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == '\r' \|\| c == '\n' \|\| c == 0) {
	int d = 0;
	QString line = QString::fromUtf8(left, ptr - left);
	if (left < ptr) {
	d = *left & 0xff;
	}
	if (d == ':') {
	// ex. ":100644 100644 bb603836fb597cca994309a1f0a52251d6b20314 d6b9798854debee375bb419f0f2ed9c8437f1932 M\tsrc/MainWindow.cpp"
	int tab = line.indexOf('\t');
	if (tab > 1) {
	QString tmp = line.mid(1, tab - 1);
	QString path = line.mid(tab + 1);
	QStringList cols = misc::splitWords(tmp);
	if (!path.isEmpty() && cols.size() == 5) {
	ReflogItem::File file;
	file.atts_a = cols[0];
	file.atts_b = cols[1];
	file.id_a = cols[2];
	file.id_b = cols[3];
	file.type = cols[4];
	file.path = path;
	item.files.push_back(file);
	}
	}
	} else {
	bool start = isxdigit(d);
	if (start \|\| c == 0) {
	if (!item.id.isEmpty()) {
	out->push_back(item);
	}
	}
	if (start) {
	// ex. "0a2a8b6b66f48bcbf985d8a2afcd14ff41676c16 HEAD@{188}: commit: message"
	item = ReflogItem();
	int i = line.indexOf(": ");
	if (i > 0) {
	int j = line.indexOf(": ", i + 2);
	if (j > 2) {
	item.head = line.mid(0, i);
	item.command = line.mid(i + 2, j - i - 2);
	item.message = line.mid(j + 2);
	if (item.head.size() > GIT_ID_LENGTH) {
	item.id = item.head.mid(0, GIT_ID_LENGTH);
	item.head = item.head.mid(GIT_ID_LENGTH + 1);
	}
	}
	}
	}
	}
	if (c == 0) break;
	ptr++;
	left = ptr;
	} else {
	ptr++;
	}
	}
	}
	return true;
	}

	// Git::FileStatus

	QString Git::trimPath(QString const &s)
	{
	ushort const *begin = s.utf16();
	ushort const *end = begin + s.size();
	ushort const *left = begin;
	ushort const *right = end;
	while (left < right && QChar(*left).isSpace()) left++;
	while (left < right && QChar(right[-1]).isSpace()) right--;
	if (left + 1 < right && *left == '\"' && right[-1] == '\"') { // if quoted ?
	left++;
	right--;
	QByteArray ba;
	ushort const *ptr = left;
	while (ptr < right) {
	ushort c = *ptr;
	ptr++;
	if (c == '\\') {
	c = 0;
	while (ptr < right && QChar(*ptr).isDigit()) { // decode \oct
	c = c * 8 + (*ptr - '0');
	ptr++;
	}
	}
	ba.push_back(c);
	}
	return QString::fromUtf8(ba);
	}
	if (left == begin && right == end) return s;
	return QString::fromUtf16(left, right - left);
	}

	Git::FileStatusCode Git::FileStatus::parseFileStatusCode(char x, char y)
	{
	if (x == ' ' && (y == 'M' \|\| y == 'D')) return FileStatusCode::NotUpdated;
	if (x == 'M' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::UpdatedInIndex;
	if (x == 'A' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::AddedToIndex;
	if (x == 'D' && (y == 'M' \|\| y == ' ')) return FileStatusCode::DeletedFromIndex;
	if (x == 'R' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::RenamedInIndex;
	if (x == 'C' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::CopiedInIndex;
	if (x == 'C' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::CopiedInIndex;
	if (x == 'D' && y == 'D') return FileStatusCode::Unmerged_BothDeleted;
	if (x == 'A' && y == 'U') return FileStatusCode::Unmerged_AddedByUs;
	if (x == 'U' && y == 'D') return FileStatusCode::Unmerged_DeletedByThem;
	if (x == 'U' && y == 'A') return FileStatusCode::Unmerged_AddedByThem;
	if (x == 'D' && y == 'U') return FileStatusCode::Unmerged_DeletedByUs;
	if (x == 'A' && y == 'A') return FileStatusCode::Unmerged_BothAdded;
	if (x == 'U' && y == 'U') return FileStatusCode::Unmerged_BothModified;
	if (x == '?' && y == '?') return FileStatusCode::Untracked;
	if (x == '!' && y == '!') return FileStatusCode::Ignored;
	return FileStatusCode::Unknown;
	}

	void Git::FileStatus::parse(QString const &text)
	{
	data = Data();
	if (text.size() > 3) {
	ushort const *p = text.utf16();
	if (p[2] == ' ') {
	data.code_x = p[0];
	data.code_y = p[1];

	int i = text.indexOf(" -> ", 3);
	if (i > 3) {
	data.rawpath1 = text.mid(3, i - 3);
	data.rawpath2 = text.mid(i + 4);
	data.path1 = trimPath(data.rawpath1);
	data.path2 = trimPath(data.rawpath2);
	} else {
	data.rawpath1 = text.mid(3);
	data.path1 = trimPath(data.rawpath1);
	data.path2 = QString();
	}

	data.code = parseFileStatusCode(data.code_x, data.code_y);
	}
	}
	}

	QByteArray Git::blame(QString const &path)
	{
	QString cmd = "blame --porcelain --abbrev=40 \"%1\"";
	cmd = cmd.arg(path);
	if (git(cmd)) {
	return toQByteArray();
	}
	return QByteArray();
	}

	QList<Git::RemoteInfo> Git::ls_remote()
	{
	QList<RemoteInfo> list;
	QString cmd = "ls-remote";
	if (git(cmd)) {
	QStringList lines = misc::splitLines(resultText());
	for (QString const &line : lines) {
	QStringList words = misc::splitWords(line);
	if (words.size() == 2 && isValidID(words[0])) {
	RemoteInfo info;
	info.commit_id = words[0];
	info.name = words[1];
	list.push_back(info);
	}
	}
	}
	return list;
	}

	QString Git::signingKey(Source purpose)
	{
	QString arg1;
	if (purpose == Source::Global) arg1 = "--global";
	if (purpose == Source::Local) arg1 = "--local";
	QString cmd = "config %1 user.signingkey";
	cmd = cmd.arg(arg1);
	bool chdir = purpose != Source::Global;
	if (git(cmd, chdir)) {
	return resultText().trimmed();
	}
	return QString();
	}

	bool Git::setSigningKey(QString const &id, bool global)
	{
	for (auto i : id) {
	if (!QChar(i).isLetterOrNumber()) return false;
	}

	QString cmd = "config %1 %2 user.signingkey %3";
	cmd = cmd.arg(global ? "--global" : "--local").arg(id.isEmpty() ? "--unset" : "").arg(id);
	return git(cmd, !global);
	}

	Git::SignPolicy Git::signPolicy(Source source)
	{
	QString arg1;
	if (source == Source::Global) arg1 = "--global";
	if (source == Source::Local) arg1 = "--local";
	QString cmd = "config %1 commit.gpgsign";
	cmd = cmd.arg(arg1);
	bool chdir = source != Source::Global;
	if (git(cmd, chdir)) {
	QString t = resultText().trimmed();
	if (t == "false") return SignPolicy::False;
	if (t == "true") return SignPolicy::True;
	}
	return SignPolicy::Unset;
	}

	bool Git::setSignPolicy(Source source, SignPolicy policy)
	{
	QString arg1;
	if (source == Source::Global) arg1 = "--global";
	if (source == Source::Local) arg1 = "--local";
	QString cmd = "config %1 %2 commit.gpgsign %3";
	QString arg2;
	QString arg3;
	if (policy == SignPolicy::False) {
	arg3 = "false";
	} else if (policy == SignPolicy::True) {
	arg3 = "true";
	} else {
	arg2 = "--unset";
	}
	cmd = cmd.arg(arg1).arg(arg2).arg(arg3);
	bool chdir = source != Source::Global;
	return git(cmd, chdir);
	}

	bool Git::configGpgProgram(QString const &path, bool global)
	{
	QString cmd = "config ";
	if (global) {
	cmd += "--global ";
	}
	if (path.isEmpty()) {
	cmd += "--unset ";
	}
	cmd += "gpg.program ";
	if (!path.isEmpty()) {
	cmd += QString("\"%1\"").arg(path);
	}
	return git(cmd, false);
	}

	// Diff

	void Git::Diff::makeForSingleFile(Git::Diff *diff, QString const &id_a, QString const &id_b, QString const &path, QString const &mode)
	{
	diff->diff = QString("diff --git a/%1 b/%2").arg(path).arg(path);
	diff->index = QString("index %1..%2 %3").arg(id_a).arg(id_b).arg(0);
	diff->blob.a_id = id_a;
	diff->blob.b_id = id_b;
	diff->path = path;
	diff->mode = mode;
	diff->type = Git::Diff::Type::Create;
	}

	//

	void parseDiff(std::string const &s, Git::Diff const info, Git::Diff out)
	{
	std::vector<std::string> lines;
	{
	char const *begin = s.c_str();
	char const *end = begin + s.size();
	misc::splitLines(begin, end, &lines, false);
	}


	out->diff = QString("diff --git ") + ("a/" + info->path) + ' ' + ("b/" + info->path);
	out->index = QString("index ") + info->blob.a_id + ".." + info->blob.b_id + ' ' + info->mode;
	out->path = info->path;
	out->blob = info->blob;

	bool atat = false;
	for (std::string const &line : lines) {
	int c = line[0] & 0xff;
	if (c == '@') {
	if (strncmp(line.c_str(), "@@ ", 3) == 0) {
	out->hunks.push_back(Git::Hunk());
	out->hunks.back().at = line;
	atat = true;
	}
	} else {
	if (atat && c == '\\') { // e.g. \ No newline at end of file...
	// ignore this line
	} else {
	if (atat) {
	if (c == ' ' \|\| c == '-' \|\| c == '+') {
	// nop
	} else {
	atat = false;
	}
	}
	if (atat) {
	if (!out->hunks.isEmpty()) {
	out->hunks.back().lines.push_back(line);
	}
	}
	}
	}
	}
	}

	diff --git a/src/SubmodulesDialog.cpp b/src/SubmodulesDialog.cpp
	index c83645e..1388f95 100644
	--- a/src/SubmodulesDialog.cpp
	+++ b/src/SubmodulesDialog.cpp
	@@ -1,43 +1,46 @@
	#include "SubmodulesDialog.h"
	#include "ui_SubmodulesDialog.h"
	#include "BasicMainWindow.h"
	#include "common/misc.h"

	SubmodulesDialog::SubmodulesDialog(QWidget *parent, std::vector<Submodule> mods)
	: QDialog(parent)
	, ui(new Ui::SubmodulesDialog)
	{
	ui->setupUi(this);

	int rows = (int)mods.size();
	ui->tableWidget->setColumnCount(5);
	ui->tableWidget->setRowCount(rows);
	for (int row = 0; row < rows; row++) {
	QTableWidgetItem *item;

	item = new QTableWidgetItem();
	item->setText(mods[row].submodule.path);
	ui->tableWidget->setItem(row, 0, item);

	item = new QTableWidgetItem();
	item->setText(BasicMainWindow::abbrevCommitID(mods[row].head));
	ui->tableWidget->setItem(row, 1, item);

	item = new QTableWidgetItem();
	item->setText(misc::makeDateTimeString(mods[row].head.commit_date));
	ui->tableWidget->setItem(row, 2, item);

	item = new QTableWidgetItem();
	item->setText(mods[row].head.author);
	ui->tableWidget->setItem(row, 3, item);

	item = new QTableWidgetItem();
	item->setText(mods[row].head.message);
	ui->tableWidget->setItem(row, 4, item);
	}
	+
	+ ui->tableWidget->resizeColumnsToContents();
	+ ui->tableWidget->horizontalHeader()->setStretchLastSection(true);
	}

	SubmodulesDialog::~SubmodulesDialog()
	{
	delete ui;
	}
	diff --git a/src/SubmodulesDialog.ui b/src/SubmodulesDialog.ui
	index 71300d4..c35cb2e 100644
	--- a/src/SubmodulesDialog.ui
	+++ b/src/SubmodulesDialog.ui
	@@ -1,65 +1,69 @@
	<?xml version="1.0" encoding="UTF-8"?>
	<ui version="4.0">
	<class>SubmodulesDialog</class>
	<widget class="QDialog" name="SubmodulesDialog">
	<property name="geometry">
	<rect>
	<x>0</x>
	<y>0</y>
	<width>400</width>
	<height>300</height>
	</rect>
	</property>
	<property name="windowTitle">
	<string>Dialog</string>
	</property>
	<layout class="QVBoxLayout" name="verticalLayout">
	<item>
	- <widget class="QTableWidget" name="tableWidget"/>
	+ <widget class="QTableWidget" name="tableWidget">
	+ <property name="wordWrap">
	+ <bool>false</bool>
	+ </property>
	+ </widget>
	</item>
	<item>
	<layout class="QHBoxLayout" name="horizontalLayout">
	<item>
	<spacer name="horizontalSpacer">
	<property name="orientation">
	<enum>Qt::Horizontal</enum>
	</property>
	<property name="sizeHint" stdset="0">
	<size>
	<width>40</width>
	<height>20</height>
	</size>
	</property>
	</spacer>
	</item>
	<item>
	<widget class="QPushButton" name="pushButton">
	<property name="text">
	<string>Close</string>
	</property>
	</widget>
	</item>
	</layout>
	</item>
	</layout>
	</widget>
	<resources/>
	<connections>
	<connection>
	<sender>pushButton</sender>
	<signal>clicked()</signal>
	<receiver>SubmodulesDialog</receiver>
	<slot>reject()</slot>
	<hints>
	<hint type="sourcelabel">
	<x>322</x>
	<y>285</y>
	</hint>
	<hint type="destinationlabel">
	<x>298</x>
	<y>280</y>
	</hint>
	</hints>
	</connection>
	</connections>
	</ui>

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