mirror of https://github.com/cutefishos/calamares
[libcalamares] Split dirs-functionality into separate file
Adriaan de Groot
6 years ago
parent
2907b48844
commit
50694ef610
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/* === This file is part of Calamares - <https://github.com/calamares> ===
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*
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* Copyright 2013-2016, Teo Mrnjavac <teo@kde.org>
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* Copyright 2018, Adriaan de Groot <groot@kde.org>
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*
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* Originally from Tomahawk, portions:
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* Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
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* Copyright 2010-2011, Leo Franchi <lfranchi@kde.org>
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* Copyright 2010-2012, Jeff Mitchell <jeff@tomahawk-player.org>
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*
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* Calamares is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Calamares is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Dirs.h"
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#include "CalamaresConfig.h"
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#include "Logger.h"
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#include <QCoreApplication>
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#include <QDebug>
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#include <QDir>
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#include <QLocale>
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#include <QStandardPaths>
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#include <QTranslator>
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#include <iostream>
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using std::cerr;
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namespace CalamaresUtils
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{
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static QDir s_appDataDir( CMAKE_INSTALL_FULL_DATADIR );
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static QDir s_qmlModulesDir( QString( CMAKE_INSTALL_FULL_DATADIR ) + "/qml" );
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static bool s_isAppDataDirOverridden = false;
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static bool s_haveExtraDirs = false;
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static QStringList s_extraConfigDirs;
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static QStringList s_extraDataDirs;
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static bool
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isWritableDir( const QDir& dir )
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{
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// We log with cerr here because we might be looking for the log dir
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QString path = dir.absolutePath();
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if ( !dir.exists() )
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{
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if ( !dir.mkpath( "." ) )
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{
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cerr << "warning: failed to create " << qPrintable( path ) << '\n';
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return false;
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}
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return true;
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}
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QFileInfo info( path );
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if ( !info.isDir() )
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{
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cerr << "warning: " << qPrintable( path ) << " is not a dir\n";
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return false;
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}
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if ( !info.isWritable() )
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{
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cerr << "warning: " << qPrintable( path ) << " is not writable\n";
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return false;
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}
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return true;
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}
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QDir
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qmlModulesDir()
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{
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return s_qmlModulesDir;
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}
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void
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setAppDataDir( const QDir& dir )
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{
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s_appDataDir = dir;
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s_isAppDataDirOverridden = true;
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}
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/* Split $ENV{@p name} on :, append to @p l, making sure each ends in / */
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static void
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mungeEnvironment( QStringList& l, const char* name, const char* defaultDirs )
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{
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static const QString calamaresSubdir = QStringLiteral( "calamares/" );
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QStringList dirs = QString( qgetenv( name ) ).split( ':' );
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if ( dirs.isEmpty() )
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dirs = QString( defaultDirs ).split( ':' );
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for ( auto s : dirs )
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{
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if ( s.isEmpty() )
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continue;
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if ( s.endsWith( '/' ) )
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l << ( s + calamaresSubdir ) << s;
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else
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l << ( s + '/' + calamaresSubdir ) << ( s + '/' );
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}
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}
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void
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setXdgDirs()
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{
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mungeEnvironment( s_extraConfigDirs, "XDG_CONFIG_DIRS", "/etc/xdg" );
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mungeEnvironment( s_extraDataDirs, "XDG_DATA_DIRS", "/usr/local/share/:/usr/share/" );
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s_haveExtraDirs = !( s_extraConfigDirs.isEmpty() && s_extraDataDirs.isEmpty() );
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}
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QStringList
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extraConfigDirs()
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{
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if ( s_haveExtraDirs )
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return s_extraConfigDirs;
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return QStringList();
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}
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QStringList
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extraDataDirs()
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{
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if ( s_haveExtraDirs )
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return s_extraDataDirs;
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return QStringList();
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}
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bool
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haveExtraDirs()
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{
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return s_haveExtraDirs && ( !s_extraConfigDirs.isEmpty() || !s_extraDataDirs.isEmpty() );
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}
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bool
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isAppDataDirOverridden()
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{
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return s_isAppDataDirOverridden;
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}
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QDir
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appDataDir()
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{
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return s_appDataDir;
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}
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QDir
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systemLibDir()
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{
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QDir path( CMAKE_INSTALL_FULL_LIBDIR );
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return path;
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}
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QDir
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appLogDir()
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{
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QString path = QStandardPaths::writableLocation( QStandardPaths::CacheLocation );
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QDir dir( path );
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if ( isWritableDir( dir ) )
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return dir;
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cerr << "warning: Could not find a standard writable location for log dir, falling back to $HOME\n";
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dir = QDir::home();
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if ( isWritableDir( dir ) )
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return dir;
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cerr << "warning: Found no writable location for log dir, falling back to the temp dir\n";
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return QDir::temp();
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}
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void
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setQmlModulesDir( const QDir& dir )
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{
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s_qmlModulesDir = dir;
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}
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} // namespace
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@ -0,0 +1,73 @@
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/* === This file is part of Calamares - <https://github.com/calamares> ===
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*
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* Copyright 2013-2016, Teo Mrnjavac <teo@kde.org>
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* Copyright 2018, Adriaan de Groot <groot@kde.org>
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*
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* Originally from Tomahawk, portions:
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* Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
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* Copyright 2010-2011, Leo Franchi <lfranchi@kde.org>
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* Copyright 2010-2012, Jeff Mitchell <jeff@tomahawk-player.org>
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*
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* Calamares is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Calamares is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UTILS_DIRS_H
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#define UTILS_DIRS_H
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#include "DllMacro.h"
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#include <QDir>
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namespace CalamaresUtils
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{
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DLLEXPORT QDir qmlModulesDir();
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/**
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* @brief appDataDir returns the directory with common application data.
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* Defaults to CMAKE_INSTALL_FULL_DATADIR (usually /usr/share/calamares).
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*/
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DLLEXPORT QDir appDataDir();
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/**
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* @brief appLogDir returns the directory for Calamares logs.
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* Defaults to QStandardPaths::CacheLocation (usually ~/.cache/Calamares).
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*/
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DLLEXPORT QDir appLogDir();
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/**
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* @brief systemLibDir returns the system's lib directory.
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* Defaults to CMAKE_INSTALL_FULL_LIBDIR (usually /usr/lib64 or /usr/lib).
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*/
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DLLEXPORT QDir systemLibDir();
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/**
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* Override app data dir. Only for testing purposes.
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*/
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DLLEXPORT void setAppDataDir( const QDir& dir );
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DLLEXPORT bool isAppDataDirOverridden();
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DLLEXPORT void setQmlModulesDir( const QDir& dir );
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/** @brief Setup extra config and data dirs from the XDG variables.
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*/
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DLLEXPORT void setXdgDirs();
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/** @brief Are any extra directories configured? */
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DLLEXPORT bool haveExtraDirs();
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/** @brief XDG_CONFIG_DIRS, each guaranteed to end with / */
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DLLEXPORT QStringList extraConfigDirs();
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/** @brief XDG_DATA_DIRS, each guaranteed to end with / */
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DLLEXPORT QStringList extraDataDirs();
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} // namespace
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#endif
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