!macro CustomCodePreInstall
    ${If} ${FileExists} "$INSTDIR\Data\user\*.*"
        Rename "$INSTDIR\Data\user" "$INSTDIR\Data\.rednotebook"
        ${ConfigWrite} "$INSTDIR\Data\.rednotebook\configuration.cfg" "dataDir=" "$INSTDIR\Data\.rednotebook\data" $R0
    ${EndIf}
    ${If} ${FileExists} "$INSTDIR\Data\.rednotebook\*.*"
    ${AndIfNot} ${FileExists} "$INSTDIR\Data\usersettings\*.*"
        CreateDirectory "$INSTDIR\Data\usersettings"
        Rename "$INSTDIR\Data\.rednotebook\templates" "$INSTDIR\Data\usersettings\templates"
        Rename "$INSTDIR\Data\.rednotebook\tmp" "$INSTDIR\Data\usersettings\tmp"
        Rename "$INSTDIR\Data\.rednotebook\configuration.cfg" "$INSTDIR\Data\usersettings\configuration.cfg"
        Rename "$INSTDIR\Data\.rednotebook\rednotebook.log" "$INSTDIR\Data\usersettings\rednotebook.log"
        CopyFiles /SILENT "$INSTDIR\Data\.rednotebook\data\*.*" "$INSTDIR\Data\usersettings\data"
        RMDir /r "$INSTDIR\Data\.rednotebook"
        ${ConfigWrite} "$INSTDIR\Data\usersettings\configuration.cfg" "dataDir=" "../../Data/usersettings/data" $R0
    ${EndIf}
    ${If} ${FileExists} "$INSTDIR\Data\.rednotebook\*.*"
    ${AndIf} ${FileExists} "$INSTDIR\Data\usersettings\*.*"
        CopyFiles /SILENT "$INSTDIR\Data\.rednotebook\data\*.*" "$INSTDIR\Data\usersettings\data"
        RMDir /r "$INSTDIR\Data\.rednotebook"
        ${ConfigWrite} "$INSTDIR\Data\usersettings\configuration.cfg" "dataDir=" "../../Data/usersettings/data" $R0
    ${EndIf}
    # Handle upgrades from versions without fonts
    ${If} ${FileExists} "$INSTDIR\App\AppInfo\appinfo.ini"
        ReadINIStr $R2 "$INSTDIR\App\AppInfo\appinfo.ini" "Version" "PackageVersion"
        ${VersionCompare} "$R2" "1.3.0.4" $9 # 1.3.0.4 is proposed Rev 1 number
        ${If} $9 == "2"
            CreateDirectory "$INSTDIR\Data\font.conf"
            CopyFiles /SILENT "$INSTDIR\App\DefaultData\fonts.conf" "$INSTDIR\Data\font.conf"
        ${EndIf}
    ${EndIf}
!macroend