Dah code? o:

void appSetOldRootDirectory(const char *dir, bool recurse)
{
    guard(appSetOldRootDirectory);
    if (dir[0] == 0) dir = "."; // using dir="" will cause scanning of "/dir1", "/dir2" etc (i.e. drive root)
    appStrncpyz(GRootDirectory, dir, ARRAY_COUNT(GRootDirectory));
    ScanGameDirectory(GRootDirectory, recurse);

#if GEARS4
    if (GForceGame == GAME_Gears4)
    {
        const CGameFileInfo* manifest = appFindGameFile("BundleManifest.bin");
        if (manifest)
        {
            LoadGears4Manifest(manifest);
        }
        else
        {
            appError("Gears of War 4 requires BundleManifest.bin file which is missing.");
        }
    }
#endif // GEARS4

    appPrintf("Found %d game files (%d skipped) at path \"%s\"\n", GameFiles.Num(), GNumForeignFiles, dir);

#if UNREAL4
    // Should process .uexp and .ubulk files, register their information for .uasset
    for (int i = 0; i < GameFiles.Num(); i++)
    {
        CGameFileInfo *info = GameFiles[i];
        char SrcFile[MAX_PACKAGE_PATH];
        appStrncpyz(SrcFile, info->RelativeName, ARRAY_COUNT(SrcFile));
        char* s = strrchr(SrcFile, '.');
        if (s && (stricmp(s, ".uasset") == 0 || stricmp(s, ".umap") == 0))
        {
            static const char* additionalExtensions[] =
            {
                ".ubulk",
                ".uexp",
            };
            for (int ext = 0; ext < ARRAY_COUNT(additionalExtensions); ext++)
            {
                strcpy(s, additionalExtensions[ext]);
                const CGameFileInfo* file = appFindGameFile(SrcFile);
                if (file)
                {
                    info->ExtraSizeInKb += file->SizeInKb;
                }
            }
        }
    }
#endif // UNREAL4

#if PRINT_HASH_DISTRIBUTION
    PrintHashDistribution();
#endif
    unguardf("dir=%s", dir);
}

void appSetRootDirectoryOld(const char *dir, bool recurse)
{
    guard(appSetRootDirectoryOld);
    if (dir[0] == 0) dir = "."; // using dir="" will cause scanning of "/dir1", "/dir2" etc (i.e. drive root)
    appStrncpyz(GOldRootDirectory, dir, ARRAY_COUNT(GOldRootDirectory));
    ScanOldGameDirectory(GOldRootDirectory, recurse);

#if GEARS4
    if (GForceGame == GAME_Gears4)
    {
        const CGameFileInfo* manifest = appFindGameFile("BundleManifest.bin");
        if (manifest)
        {
            LoadGears4Manifest(manifest);
        }
        else
        {
            appError("Gears of War 4 requires BundleManifest.bin file which is missing.");
        }
    }
#endif // GEARS4

    appPrintf("Found %d game files (%d skipped) at path \"%s\"\n", OldGameFiles.Num(), GNumOldForeignFiles, dir);

#if UNREAL4
    // Should process .uexp and .ubulk files, register their information for .uasset
    for (int i = 0; i < OldGameFiles.Num(); i++)
    {
        CGameFileInfo *info = OldGameFiles[i];
        char SrcFile[MAX_PACKAGE_PATH];
        appStrncpyz(SrcFile, info->RelativeName, ARRAY_COUNT(SrcFile));
        char* s = strrchr(SrcFile, '.');
        if (s && (stricmp(s, ".uasset") == 0 || stricmp(s, ".umap") == 0))
        {
            static const char* additionalExtensions[] =
            {
                ".ubulk",
                ".uexp",
            };
            for (int ext = 0; ext < ARRAY_COUNT(additionalExtensions); ext++)
            {
                strcpy(s, additionalExtensions[ext]);
                const CGameFileInfo* file = appFindGameFile(SrcFile);
                if (file)
                {
                    info->ExtraSizeInKb += file->SizeInKb;
                }
            }
        }
    }
#endif // UNREAL4

#if PRINT_HASH_DISTRIBUTION
    PrintHashDistribution();
#endif
    unguardf("dir=%s", dir);
}