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Merge pull request #575 from linkmauve/xdg
Switch to the XDG Base Directory Specification for directory selection
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commit
f7c3193fec
@ -25,7 +25,7 @@
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#ifdef USER_DIR
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#define EMU_DATA_DIR USER_DIR
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#else
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#define EMU_DATA_DIR ".citra-emu"
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#define EMU_DATA_DIR "citra-emu"
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#endif
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#endif
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@ -16,7 +16,10 @@
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#include <tchar.h>
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#else
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#include <sys/param.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <pwd.h>
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#include <unistd.h>
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#endif
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#if defined(__APPLE__)
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@ -632,6 +635,55 @@ std::string& GetExeDirectory()
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}
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return exe_path;
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}
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#else
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/**
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* @return The user’s home directory on POSIX systems
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*/
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static const std::string& GetHomeDirectory() {
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static std::string home_path;
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if (home_path.empty()) {
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const char* envvar = getenv("HOME");
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if (envvar) {
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home_path = envvar;
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} else {
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auto pw = getpwuid(getuid());
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ASSERT_MSG(pw, "$HOME isn’t defined, and the current user can’t be found in /etc/passwd.");
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home_path = pw->pw_dir;
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}
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}
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return home_path;
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}
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/**
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* Follows the XDG Base Directory Specification to get a directory path
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* @param envvar The XDG environment variable to get the value from
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* @return The directory path
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* @sa http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
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*/
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static const std::string GetUserDirectory(const std::string& envvar) {
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const char* directory = getenv(envvar.c_str());
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std::string user_dir;
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if (directory) {
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user_dir = directory;
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} else {
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std::string subdirectory;
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if (envvar == "XDG_DATA_HOME")
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subdirectory = DIR_SEP ".local" DIR_SEP "share";
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else if (envvar == "XDG_CONFIG_HOME")
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subdirectory = DIR_SEP ".config";
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else if (envvar == "XDG_CACHE_HOME")
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subdirectory = DIR_SEP ".cache";
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else
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ASSERT_MSG(false, "Unknown XDG variable %s.", envvar.c_str());
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user_dir = GetHomeDirectory() + subdirectory;
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}
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ASSERT_MSG(!user_dir.empty(), "User directory %s musn’t be empty.", envvar.c_str());
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ASSERT_MSG(user_dir[0] == '/', "User directory %s must be absolute.", envvar.c_str());
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return user_dir;
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}
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#endif
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std::string GetSysDirectory()
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@ -661,20 +713,27 @@ const std::string& GetUserPath(const unsigned int DirIDX, const std::string &new
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if (paths[D_USER_IDX].empty())
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{
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#ifdef _WIN32
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paths[D_USER_IDX] = GetExeDirectory() + DIR_SEP USERDATA_DIR DIR_SEP;
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paths[D_USER_IDX] = GetExeDirectory() + DIR_SEP USERDATA_DIR DIR_SEP;
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paths[D_CONFIG_IDX] = paths[D_USER_IDX] + CONFIG_DIR DIR_SEP;
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paths[D_CACHE_IDX] = paths[D_USER_IDX] + CACHE_DIR DIR_SEP;
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#else
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if (FileUtil::Exists(ROOT_DIR DIR_SEP USERDATA_DIR))
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paths[D_USER_IDX] = ROOT_DIR DIR_SEP USERDATA_DIR DIR_SEP;
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else
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paths[D_USER_IDX] = std::string(getenv("HOME") ?
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getenv("HOME") : getenv("PWD") ?
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getenv("PWD") : "") + DIR_SEP EMU_DATA_DIR DIR_SEP;
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if (FileUtil::Exists(ROOT_DIR DIR_SEP USERDATA_DIR)) {
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paths[D_USER_IDX] = ROOT_DIR DIR_SEP USERDATA_DIR DIR_SEP;
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paths[D_CONFIG_IDX] = paths[D_USER_IDX] + CONFIG_DIR DIR_SEP;
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paths[D_CACHE_IDX] = paths[D_USER_IDX] + CACHE_DIR DIR_SEP;
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} else {
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std::string data_dir = GetUserDirectory("XDG_DATA_HOME");
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std::string config_dir = GetUserDirectory("XDG_CONFIG_HOME");
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std::string cache_dir = GetUserDirectory("XDG_CACHE_HOME");
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paths[D_USER_IDX] = data_dir + DIR_SEP EMU_DATA_DIR DIR_SEP;
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paths[D_CONFIG_IDX] = config_dir + DIR_SEP EMU_DATA_DIR DIR_SEP;
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paths[D_CACHE_IDX] = cache_dir + DIR_SEP EMU_DATA_DIR DIR_SEP;
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}
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#endif
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paths[D_CONFIG_IDX] = paths[D_USER_IDX] + CONFIG_DIR DIR_SEP;
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paths[D_GAMECONFIG_IDX] = paths[D_USER_IDX] + GAMECONFIG_DIR DIR_SEP;
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paths[D_MAPS_IDX] = paths[D_USER_IDX] + MAPS_DIR DIR_SEP;
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paths[D_CACHE_IDX] = paths[D_USER_IDX] + CACHE_DIR DIR_SEP;
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paths[D_SDMC_IDX] = paths[D_USER_IDX] + SDMC_DIR DIR_SEP;
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paths[D_NAND_IDX] = paths[D_USER_IDX] + NAND_DIR DIR_SEP;
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paths[D_SYSDATA_IDX] = paths[D_USER_IDX] + SYSDATA_DIR DIR_SEP;
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