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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "shellmodel.h"
#include <projectexplorer/devicesupport/devicemanager.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <utils/algorithm.h>
#include <utils/environment.h>
#include <utils/filepath.h>
#include <QFileIconProvider>
#include <QStandardPaths>
namespace Terminal::Internal {
using namespace Utils;
struct ShellItemBuilder
{
explicit ShellItemBuilder(const QFileIconProvider &iconProvider, const CommandLine &value) :
iconProvider(iconProvider)
{
m_item.openParameters.shellCommand = value;
}
explicit ShellItemBuilder(const QFileIconProvider &iconProvider, const FilePath &value) :
iconProvider(iconProvider)
{
m_item.openParameters.shellCommand = CommandLine(value);
}
ShellItemBuilder &name(const QString &value)
{
m_item.name = value;
return *this;
}
ShellItemBuilder &icon(const FilePath &value)
{
m_item.openParameters.icon = iconProvider.icon(value.toFileInfo());
return *this;
}
inline operator ShellModelItem() { return item(); }
ShellModelItem item()
{
if (m_item.name.isEmpty())
m_item.name = m_item.openParameters.shellCommand->executable().toUserOutput();
if (m_item.openParameters.icon.isNull())
icon(m_item.openParameters.shellCommand->executable());
return m_item;
}
private:
ShellModelItem m_item;
const QFileIconProvider &iconProvider;
};
static QSet<FilePath> msysPaths()
{
QSet<FilePath> res;
FilePath msys2 = FilePath::fromUserInput(QStandardPaths::findExecutable("msys2.exe"));
if (msys2.exists())
res.insert(msys2.parentDir());
for (const QFileInfo &drive : QDir::drives()) {
for (const QString &name : QStringList{"msys2", "msys32", "msys64"}) {
msys2 = FilePath::fromString(drive.filePath()).pathAppended(name);
if (msys2.pathAppended("msys2.exe").exists())
res.insert(msys2);
}
}
return res;
}
struct ShellModelPrivate
{
QList<ShellModelItem> localShells;
ShellModelPrivate();
};
ShellModelPrivate::ShellModelPrivate()
{
QFileIconProvider iconProvider;
if (Utils::HostOsInfo::isWindowsHost()) {
const FilePath comspec = FilePath::fromUserInput(qtcEnvironmentVariable("COMSPEC"));
localShells << ShellItemBuilder(iconProvider, comspec);
if (comspec.fileName() != "cmd.exe") {
FilePath cmd = FilePath::fromUserInput(QStandardPaths::findExecutable("cmd.exe"));
localShells << ShellItemBuilder(iconProvider, cmd);
}
const FilePath powershell = FilePath::fromUserInput(
QStandardPaths::findExecutable("powershell.exe"));
if (powershell.exists())
localShells << ShellItemBuilder(iconProvider, powershell);
const FilePath sys_bash =
FilePath::fromUserInput(QStandardPaths::findExecutable("bash.exe"));
if (sys_bash.exists())
localShells << ShellItemBuilder(iconProvider, {sys_bash, {"--login"}});
const FilePath git_exe = FilePath::fromUserInput(QStandardPaths::findExecutable("git.exe"));
if (git_exe.exists()) {
FilePath git_bash = git_exe.parentDir().parentDir().pathAppended("bin/bash.exe");
if (git_bash.exists()) {
localShells << ShellItemBuilder(iconProvider, {git_bash, {"--login"}})
.icon(git_bash.parentDir().parentDir().pathAppended("git-bash.exe"));
}
}
const QStringList msys2_args{"-defterm", "-no-start", "-here"};
for (const FilePath &msys2_path : msysPaths()) {
const FilePath msys2_cmd = msys2_path.pathAppended("msys2_shell.cmd");
for (const FilePath &type : msys2_path.dirEntries({{"*.ico"}})) {
// Only list this type if it has anything in /bin
QDirIterator it(type.path().replace(".ico", "/bin"), QDir::Files);
if (!it.hasNext())
continue;
localShells << ShellItemBuilder(iconProvider,
{msys2_cmd, msys2_args + QStringList{"-" + type.baseName()}})
.icon(type)
.name(type.toUserOutput().replace(".ico", ".exe"));
}
}
} else {
FilePath shellsFile = FilePath::fromString("/etc/shells");
const auto shellFileContent = shellsFile.fileContents();
QTC_ASSERT_EXPECTED(shellFileContent, return);
QString shellFileContentString = QString::fromUtf8(*shellFileContent);
// Filter out comments ...
const QStringList lines
= Utils::filtered(shellFileContentString.split('\n', Qt::SkipEmptyParts),
[](const QString &line) { return !line.trimmed().startsWith('#'); });
// Convert lines to file paths ...
const FilePaths shells = Utils::transform(lines, [](const QString &line) {
return FilePath::fromUserInput(line.trimmed());
});
// ... and filter out non-existing shells.
localShells = Utils::transform(Utils::filtered(shells, &FilePath::exists),
[&iconProvider](const FilePath &shell) {
return ShellItemBuilder(iconProvider, shell).item();
});
}
}
ShellModel::ShellModel(QObject *parent)
: QObject(parent)
, d(new ShellModelPrivate())
{
}
ShellModel::~ShellModel() = default;
QList<ShellModelItem> ShellModel::local() const
{
return d->localShells;
}
QList<ShellModelItem> ShellModel::remote() const
{
QList<ShellModelItem> result;
ProjectExplorer::DeviceManager::instance()->forEachDevice(
[&result](const std::shared_ptr<const ProjectExplorer::IDevice> &device) {
if (device->type() != ProjectExplorer::Constants::DESKTOP_DEVICE_TYPE)
result << ShellModelItem{device->displayName(), {CommandLine{device->rootPath()}}};
});
return result;
}
} // namespace Terminal::Internal
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