NSIS default install directory -- want to choose based upon install options

Question

I'm pretty much of a novice with NSIS; but I've got a problem, and I've already looked at everything I can find on this site, as well as googling to look for answers; and so far I've got nothing.

I have an NSIS install package that I've been asked to expand so that it will install any of four related programs. However, while related, they each should install to a different folder.

I have a MUI_INSTALLOPTIONS_READ that defines four (mutually exclusive) radio buttons, and that works fine; and it does wait until after that selection to prompt for the install location. But it won't let me set different folders for each app.

The first thing I do in each branch after the MUI_INSTALLOPTIONS_READ is to set $INSTDIR to the default path for the selected application; so I would expect to use that string as the default when it calls the InstallDir; but it doesn't -- it's blank.

Of course I can't move the MUI_INSTALLOPTIONS_READ before the InstallDir in the code, because it must be in a Section; and I can't move the InstallDir after the MUI_INSTALLOPTIONS_READ, because it CANNOT be in a Section (or a Function). I have tried splitting the section that contains the MUI_INSTALLOPTIONS_READ, so that there's some space between it and the next section, and inserting the InstallDir in that space; but that changed nothing.

Anyone know of a way to do what I'm trying to do? Thanks for any suggestions you can offer.

!ifndef PRODUCT_VERSION
  !error "Version required   !  Usage: makensisw.exe /DPRODUCT_VERSION=version scriptfile.nsi"
!endif

; HM NIS Edit Wizard helper defines
!define PRODUCT_NAME "ProductX"
!define PRODUCT_PUBLISHER "ACME Technologies"
!define PRODUCT_WEB_SITE "http://www.google.com"
!define PRODUCT_DIR_REGKEY "Software\Microsoft\Windows\CurrentVersion\App Paths\${PRODUCT_NAME}.exe"
!define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
!define PRODUCT_UNINST_ROOT_KEY "HKLM"

; MUI 1.67 compatible ------
!include "MUI.nsh"

; MUI Settings
!define MUI_ABORTWARNING
!define MUI_ICON "${NSISDIR}\Contrib\Graphics\Icons\modern-install.ico"
!define MUI_UNICON "${NSISDIR}\Contrib\Graphics\Icons\modern-uninstall.ico"

; Welcome page
!insertmacro MUI_PAGE_WELCOME
; Full Install or Demo page
 Page custom FIOrDemo
; Directory page
!insertmacro MUI_PAGE_DIRECTORY
; Instfiles page
!insertmacro MUI_PAGE_INSTFILES

; Language files
!insertmacro MUI_LANGUAGE "English"

;Reserve Files
 ReserveFile "appSelect.ini"
  !insertmacro MUI_RESERVEFILE_INSTALLOPTIONS

;   Variables
Var APP1_INSTALL
Var APP2_INSTALL
Var APP3_INSTALL
Var APP4_INSTALL

; MUI end ------


Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
OutFile "Setup.exe"
  InstallDir $INSTDIR
  ; InstallDirRegKey HKLM "${PRODUCT_DIR_REGKEY}" ""
  ShowInstDetails show
  ShowUnInstDetails show

Section "Main    Section" SEC01
 SetOutPath "$INSTDIR"
 SetOverwrite try
 SetShell   VarContext all

  ; pop $0
;   ${While} $0       != "Marker"
;     DetailPrint 'Extra info: $0'
;     pop $0
;   ${EndWhile}
;   Pop $0     ; restore

    !insertmacro MUI_INSTALLOPTIONS_READ $APP2_INSTALL "appSelect.ini" "Field 2" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $APP1_INSTALL "appSelect.ini" "Field 3" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $APP3_INSTALL "appSelect.ini" "Field 4" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $APP4_INSTALL "appSelect.ini" "Field 5" "State"
  DetailPrint 'Install selection $APP2_INSTALL $APP1_INSTALL $APP3_INSTALL $APP4_INSTALL '
     StrCmp $APP1_INSTALL 1 app1_selected
     StrCmp $APP2_INSTALL 1 app2_selected 
     StrCmp $APP3_INSTALL 1 app3_selected
     StrCmp $APP4_INSTALL 1 app4_selected
  Goto continue

app1_selected:
  Strcpy $INSTDIR  "$PROGRAMFILES\Folder1"
  Call InstallApp1
  Goto continue

app2_selected:
  Strcpy $INSTDIR  "$PROGRAMFILES\Folder2"
  Call InstallApp2
  Goto continue

app3_selected:
  Strcpy $INSTDIR  "$PROGRAMFILES\Folder3"
  Call InstallApp3
  Goto continue

app4_selected:
  Strcpy $INSTDIR  "$PROGRAMFILES\Folder4"
  Call InstallApp4
  Goto continue

continue:


SectionEnd


Section -Post
  ; Force reboot after install
  MessageBox MB_ICONINFORMATION|MB_OK "Installation complete.  Your computer will now restart."
  ;  Reboot
SectionEnd

Function InstallApp1
 ;Copy all application files
FunctionEnd

Function InstallApp2
 ;Copy all application files
FunctionEnd

Function InstallApp3
  ;Copy all application files
FunctionEnd

Function InstallApp4
 ;Copy all application files
FunctionEnd

Function .onInit
  ;Extract InstallOptions INI files
    !insertmacro MUI_INSTALLOPTIONS_EXTRACT "appSelect.ini"
FunctionEnd

Function FIOrDemo
    !insertmacro MUI_HEADER_TEXT "Choose Installation Type" ""
    !insertmacro MUI_INSTALLOPTIONS_DISPLAY "appSelect.ini"
FunctionEnd

NSIS default install directory -- want to choose based upon install options

Answers (1)

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