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Implement save migration (#4496)

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* Implement save migration

* Slightly cursed macro programming

* Line break

* add const

* Remove std::filesystem redefine

---------

Co-authored-by: Stephen Miller <56742918+StevenMiller123@users.noreply.github.com>
This commit is contained in:
kalaposfos13 2026-05-31 23:16:43 +02:00 committed by GitHub
parent 5f89834cb5
commit 2736ce8c2e
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1 changed files with 77 additions and 0 deletions
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77
src/core/user_manager.cpp
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@ -3,6 +3,7 @@
#include <filesystem> #include <filesystem>
#include <iostream> #include <iostream>
#include <SDL3/SDL_messagebox.h>
#include <common/assert.h> #include <common/assert.h>
#include <common/path_util.h> #include <common/path_util.h>
#include "emulator_settings.h" #include "emulator_settings.h"
@ -10,6 +11,8 @@
#include "user_manager.h" #include "user_manager.h"
#include "user_settings.h" #include "user_settings.h"
namespace fs = std::filesystem;
bool UserManager::AddUser(const User& user) { bool UserManager::AddUser(const User& user) {
for (const auto& u : m_users.user) { for (const auto& u : m_users.user) {
if (u.user_id == user.user_id) if (u.user_id == user.user_id)
@ -143,6 +146,80 @@ Users UserManager::CreateDefaultUsers() {
std::filesystem::create_directory(user_dir / "savedata"); std::filesystem::create_directory(user_dir / "savedata");
std::filesystem::create_directory(user_dir / "trophy"); std::filesystem::create_directory(user_dir / "trophy");
std::filesystem::create_directory(user_dir / "inputs"); std::filesystem::create_directory(user_dir / "inputs");
auto const old_save_dir =
Common::FS::GetUserPath(Common::FS::PathType::UserDir) / "savedata" / "1";
if (u.user_id == 1000 && std::filesystem::exists(old_save_dir) &&
!std::filesystem::is_empty(old_save_dir)) {
auto const new_save_dir = user_dir / "savedata";
#ifndef _WIN32
SDL_MessageBoxButtonData btns[4]
#else
SDL_MessageBoxButtonData btns[3]
#endif
{
{0, 0, "Copy"},
{0, 1, "Move"},
#ifndef _WIN32
{0, 2, "Move and link back"},
#endif
{0, 3, "Do nothing"},
};
SDL_MessageBoxData msg_box{
0,
nullptr,
"Save Migration",
"The shadPS4 save location has been updated, and save files have been detected "
"in the old location.\nDo you wish to copy them over, move them over, "
#ifndef _WIN32
"move and link back to the original the original location, "
#endif
"or continue without doing anything?",
#ifndef _WIN32
4,
#else
3,
#endif
btns,
nullptr,
};
int result = 3;
SDL_ShowMessageBox(&msg_box, &result);
try {
switch (result) {
case 0:
std::filesystem::copy(old_save_dir, new_save_dir,
std::filesystem::copy_options::recursive);
break;
case 1:
try {
std::filesystem::rename(old_save_dir, new_save_dir);
} catch (...) {
std::filesystem::copy(old_save_dir, new_save_dir,
std::filesystem::copy_options::recursive);
std::filesystem::remove_all(old_save_dir);
}
break;
case 2:
try {
std::filesystem::rename(old_save_dir, new_save_dir);
} catch (...) {
std::filesystem::copy(old_save_dir, new_save_dir,
std::filesystem::copy_options::recursive);
std::filesystem::remove_all(old_save_dir);
}
std::filesystem::create_directory_symlink(new_save_dir, old_save_dir);
break;
case -1:
case 3:
break;
default:
UNREACHABLE();
}
} catch (std::exception const& e) {
UNREACHABLE_MSG("Error while migrating saves: {}", e.what());
}
}
} }
} }