NSIS/Examples/example2.nsi

; example2.nsi
;
; This script is based on example1.nsi, but it remember the directory, 
; has uninstall support and (optionally) installs start menu shortcuts.
;
; It will install makensisw.exe into a directory that the user selects,

;--------------------------------

; The name of the installer
Name "Example2"

; The file to write
OutFile "example2.exe"

; The default installation directory
InstallDir $PROGRAMFILES\Example2

; Registry key to check for directory (so if you install again, it will 
; overwrite the old one automatically)
InstallDirRegKey HKLM SOFTWARE\NSIS_Example2 "Install_Dir"

; The text to prompt the user to enter a directory
ComponentText "This will install the less simple example2 on your computer. Select which optional things you want installed."

; The text to prompt the user to enter a directory
DirText "Choose a directory to install in to:"

;--------------------------------

; The stuff to install
Section "Example2 (required)"

  SectionIn RO
  
  ; Set output path to the installation directory.
  SetOutPath $INSTDIR
  
  ; Put file there
  File "..\makensisw.exe"
  
  ; Write the installation path into the registry
  WriteRegStr HKLM SOFTWARE\NSIS_Example2 "Install_Dir" "$INSTDIR"
  
  ; Write the uninstall keys for Windows
  WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2" "DisplayName" "NSIS Example2 (remove only)"
  WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2" "UninstallString" '"$INSTDIR\uninstall.exe"'
  WriteUninstaller "uninstall.exe"
  
SectionEnd

; optional section (can be disabled by the user)
Section "Start Menu Shortcuts"

  CreateDirectory "$SMPROGRAMS\Example2"
  CreateShortCut "$SMPROGRAMS\Example2\Uninstall.lnk" "$INSTDIR\uninstall.exe" "" "$INSTDIR\uninstall.exe" 0
  CreateShortCut "$SMPROGRAMS\Example2\Example2 (MakeNSISW).lnk" "$INSTDIR\makensisw.exe" "" "$INSTDIR\makensisw.exe" 0
  
SectionEnd

;--------------------------------

; Uninstaller

UninstallText "This will uninstall example2. Hit next to continue."

; Uninstall section

Section "Uninstall"
  
  ; remove registry keys
  DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\Example2"
  DeleteRegKey HKLM SOFTWARE\NSIS_Example2

  ; remove files and uninstaller
  Delete $INSTDIR\makensisw.exe
  Delete $INSTDIR\uninstall.exe

  ; remove shortcuts, if any
  Delete "$SMPROGRAMS\Example2\*.*"

  ; remove directories used
  RMDir "$SMPROGRAMS\Example2"
  RMDir "$INSTDIR"

SectionEnd