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Add --home command line to set custom home path + make windows version natively portable by detecting if .emulationstation is a subfolder of the exe.

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This commit is contained in:
Fabrice CARUSO 2019-08-16 09:47:37 +02:00
parent e6660475e3
commit 95de3aae7f
4 changed files with 63 additions and 42 deletions
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19
es-app/src/main.cpp
View file

@ -31,8 +31,24 @@ bool scrape_cmdline = false;
bool parseArgs(int argc, char* argv[])
{
Settings::getInstance()->setString("ExePath", argv[0]);
Utils::FileSystem::setExePath(argv[0]);
// We need to process --home before any call to Settings::getInstance(), because settings are loaded from homepath
for(int i = 1; i < argc; i++)
{
if (strcmp(argv[i], "--home") == 0)
{
if (i >= argc - 1)
{
std::cerr << "Invalid home path supplied.";
return false;
}
Utils::FileSystem::setHomePath(argv[i + 1]);
break;
}
}
for(int i = 1; i < argc; i++)
{
if(strcmp(argv[i], "--resolution") == 0)
@ -168,6 +184,7 @@ bool parseArgs(int argc, char* argv[])
"--force-kid Force the UI mode to be Kid\n"
"--force-kiosk Force the UI mode to be Kiosk\n"
"--force-disable-filters Force the UI to ignore applied filters in gamelist\n"
"--home [path] Directory to use as home path\n"
"--help, -h summon a sentient, angry tuba\n\n"
"More information available in README.md.\n";
return false; //exit after printing help

5
es-core/src/Settings.cpp
View file

@ -33,8 +33,7 @@ std::vector<const char*> settings_dont_save {
{ "ScreenHeight" },
{ "ScreenOffsetX" },
{ "ScreenOffsetY" },
{ "ScreenRotate" },
{ "ExePath" }
{ "ScreenRotate" }
};
Settings::Settings()
@ -161,8 +160,6 @@ void Settings::setDefaults()
mIntMap["ScreenOffsetX"] = 0;
mIntMap["ScreenOffsetY"] = 0;
mIntMap["ScreenRotate"] = 0;
mStringMap["ExePath"] = "";
}
template <typename K, typename V>

78
es-core/src/utils/FileSystemUtil.cpp
View file

@ -2,7 +2,6 @@
#include "utils/FileSystemUtil.h"
#include "Settings.h"
#include <sys/stat.h>
#include <string.h>
@ -26,6 +25,8 @@ namespace Utils
{
namespace FileSystem
{
static std::string homePath;
static std::string exePath;
#if defined(_WIN32)
static std::string convertFromWideString(const std::wstring wstring)
@ -138,36 +139,46 @@ namespace Utils
} // getPathList
void setHomePath(const std::string& _path)
{
homePath = getGenericPath(_path);
}
std::string getHomePath()
{
static std::string path;
if(homePath.length())
return homePath;
// only construct the homepath once
if(!path.length())
// Is it a portable installation ? Check if ".emulationstation/es_systems.cfg" exists in the exe's path
if(Utils::FileSystem::exists(getExePath() + "/.emulationstation/es_systems.cfg"))
homePath = getExePath();
// Check for HOME environment variable
if(!homePath.length())
{
// this should give us something like "/home/YOUR_USERNAME" on Linux and "C:/Users/YOUR_USERNAME/" on Windows
char* envHome = getenv("HOME");
if(envHome)
path = getGenericPath(envHome);
#if defined(_WIN32)
// but does not seem to work for Windows XP or Vista, so try something else
if(!path.length())
{
char* envHomeDrive = getenv("HOMEDRIVE");
char* envHomePath = getenv("HOMEPATH");
if(envHomeDrive && envHomePath)
path = getGenericPath(std::string(envHomeDrive) + "/" + envHomePath);
}
#endif // _WIN32
// no homepath found, fall back to current working directory
if(!path.length())
path = getCWDPath();
homePath = getGenericPath(envHome);
}
#if defined(_WIN32)
// On Windows, HOME is not the system's user path but a user environment variable.
// Instead we get the home user's path using %HOMEDRIVE%/%HOMEPATH% which are system variables.
if(!homePath.length())
{
char* envHomeDrive = getenv("HOMEDRIVE");
char* envHomePath = getenv("HOMEPATH");
if(envHomeDrive && envHomePath)
homePath = getGenericPath(std::string(envHomeDrive) + "/" + envHomePath);
}
#endif // _WIN32
// no homepath found, fall back to current working directory
if(!homePath.length())
homePath = getCWDPath();
// return constructed homepath
return path;
return homePath;
} // getHomePath
@ -180,23 +191,18 @@ namespace Utils
} // getCWDPath
std::string getExePath()
void setExePath(const std::string& _path)
{
static std::string path;
std::string path = getCanonicalPath(_path);
if(isRegularFile(path))
path = getParent(path);
// only construct the exepath once
if(!path.length())
{
path = getCanonicalPath(Settings::getInstance()->getString("ExePath"));
exePath = path;
} // setExePath
if(isRegularFile(path))
{
path = getParent(path);
}
}
// return constructed exepath
return path;
std::string getExePath()
{
return exePath;
} // getExePath

3
es-core/src/utils/FileSystemUtil.h
View file

@ -13,8 +13,10 @@ namespace Utils
stringList getDirContent (const std::string& _path, const bool _recursive = false);
stringList getPathList (const std::string& _path);
void setHomePath (const std::string& _path);
std::string getHomePath ();
std::string getCWDPath ();
void setExePath (const std::string& _path);
std::string getExePath ();
std::string getPreferredPath (const std::string& _path);
std::string getGenericPath (const std::string& _path);
@ -37,7 +39,6 @@ namespace Utils
bool isDirectory (const std::string& _path);
bool isSymlink (const std::string& _path);
bool isHidden (const std::string& _path);
} // FileSystem::
} // Utils::