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+# NSIS file to create a self-installing exe for Vim.
+# It requires NSIS version 2.0 or later.
+# Last change:	2004 May 02
+
+# WARNING: if you make changes to this script, look out for $0 to be valid,
+# because uninstall deletes most files in $0.
+
+# Location of gvim_ole.exe, vimd32.exe, GvimExt/*, etc.
+!define VIMSRC "..\src"
+
+# Location of runtime files
+!define VIMRT ".."
+
+# Location of extra tools: diff.exe
+!define VIMTOOLS ..\..
+
+# Comment the next line if you don't have UPX.
+# Get it at http://upx.sourceforge.net
+!define HAVE_UPX
+
+# comment the next line if you do not want to add Native Language Support
+!define HAVE_NLS
+
+!define VER_MAJOR 7
+!define VER_MINOR 0aa
+
+# ----------- No configurable settings below this line -----------
+
+!include UpgradeDLL.nsh		# for VisVim.dll
+
+Name "Vim ${VER_MAJOR}.${VER_MINOR}"
+OutFile gvim${VER_MAJOR}${VER_MINOR}.exe
+CRCCheck force
+SetCompressor lzma
+SetDatablockOptimize on
+
+ComponentText "This will install Vim ${VER_MAJOR}.${VER_MINOR} on your computer."
+DirText "Choose a directory to install Vim (must end in 'vim')"
+Icon icons\vim_16c.ico
+# NSIS2 uses a different strategy with six diferent images in a strip...
+#EnabledBitmap icons\enabled.bmp
+#DisabledBitmap icons\disabled.bmp
+UninstallText "This will uninstall Vim ${VER_MAJOR}.${VER_MINOR} from your system."
+UninstallIcon icons\vim_uninst_16c.ico
+
+# On NSIS 2 using the BGGradient causes trouble on Windows 98, in combination
+# with the BringToFront.
+# BGGradient 004000 008200 FFFFFF
+LicenseText "You should read the following before installing:"
+LicenseData ${VIMRT}\doc\uganda.nsis.txt
+
+!ifdef HAVE_UPX
+  !packhdr temp.dat "upx --best --compress-icons=1 temp.dat"
+!endif
+
+# This adds '\vim' to the user choice automagically.  The actual value is
+# obtained below with ReadINIStr.
+InstallDir "$PROGRAMFILES\Vim"
+
+# Types of installs we can perform:
+InstType Typical
+InstType Minimal
+InstType Full
+
+SilentInstall normal
+
+# These are the pages we use
+Page license
+Page components
+Page directory "" "" CheckInstallDir
+Page instfiles
+UninstPage uninstConfirm
+UninstPage instfiles
+
+##########################################################
+# Functions
+
+Function .onInit
+  MessageBox MB_YESNO|MB_ICONQUESTION \
+	"This will install Vim ${VER_MAJOR}.${VER_MINOR} on your computer.$\n Continue?" \
+	IDYES NoAbort
+	    Abort ; causes installer to quit.
+	NoAbort:
+
+  # run the install program to check for already installed versions
+  SetOutPath $TEMP
+  File /oname=install.exe ${VIMSRC}\installw32.exe
+  ExecWait "$TEMP\install.exe -uninstall-check"
+  Delete $TEMP\install.exe
+
+  # We may have been put to the background when uninstall did something.
+  BringToFront
+
+  # Install will have created a file for us that contains the directory where
+  # we should install.  This is $VIM if it's set.  This appears to be the only
+  # way to get the value of $VIM here!?
+  ReadINIStr $INSTDIR $TEMP\vimini.ini vimini dir
+  Delete $TEMP\vimini.ini
+
+  # If ReadINIStr failed or did not find a path: use the default dir.
+  StrCmp $INSTDIR "" 0 IniOK
+  StrCpy $INSTDIR "$PROGRAMFILES\Vim"
+  IniOK:
+
+  # Should check for the value of $VIM and use it.  Unfortunately I don't know
+  # how to obtain the value of $VIM
+  # IfFileExists "$VIM" 0 No_Vim
+  #   StrCpy $INSTDIR "$VIM"
+  # No_Vim:
+
+  # User variables:
+  # $0 - holds the directory the executables are installed to
+  # $1 - holds the parameters to be passed to install.exe.  Starts with OLE
+  #      registration (since a non-OLE gvim will not complain, and we want to
+  #      always register an OLE gvim).
+  # $2 - holds the names to create batch files for
+  StrCpy $0 "$INSTDIR\vim${VER_MAJOR}${VER_MINOR}"
+  StrCpy $1 "-register-OLE"
+  StrCpy $2 "gvim evim gview gvimdiff"
+
+FunctionEnd
+
+Function .onUserAbort
+  MessageBox MB_YESNO|MB_ICONQUESTION "Abort install?" IDYES NoCancelAbort
+    Abort ; causes installer to not quit.
+  NoCancelAbort:
+FunctionEnd
+
+# We only accept the directory if it ends in "vim".  Using .onVerifyInstDir has
+# the disadvantage that the browse dialog is difficult to use.
+Function CheckInstallDir
+  StrCpy $0 $INSTDIR 3 -3
+  StrCmp $0 "vim" PathGood
+    MessageBox MB_OK "The path must end in 'vim'."
+    Abort
+  PathGood:
+FunctionEnd
+
+Function .onInstSuccess
+  WriteUninstaller vim${VER_MAJOR}${VER_MINOR}\uninstall-gui.exe
+  MessageBox MB_YESNO|MB_ICONQUESTION \
+	"The installation process has been successfull. Happy Vimming! \
+	$\n$\n Do you want to see the README file now?" IDNO NoReadme
+      Exec '$0\gvim.exe -R "$0\README.txt"'
+  NoReadme:
+FunctionEnd
+
+Function .onInstFailed
+  MessageBox MB_OK|MB_ICONEXCLAMATION "Installation failed. Better luck next time."
+FunctionEnd
+
+Function un.onUnInstSuccess
+  MessageBox MB_OK|MB_ICONINFORMATION \
+  "Vim ${VER_MAJOR}.${VER_MINOR} has been (partly) removed from your system"
+FunctionEnd
+
+Function un.GetParent
+  Exch $0 ; old $0 is on top of stack
+  Push $1
+  Push $2
+  StrCpy $1 -1
+  loop:
+    StrCpy $2 $0 1 $1
+    StrCmp $2 "" exit
+    StrCmp $2 "\" exit
+    IntOp $1 $1 - 1
+  Goto loop
+  exit:
+    StrCpy $0 $0 $1
+    Pop $2
+    Pop $1
+    Exch $0 ; put $0 on top of stack, restore $0 to original value
+FunctionEnd
+
+##########################################################
+Section "Vim executables and runtime files"
+	SectionIn 1 2 3
+
+	# we need also this here if the user changes the instdir
+	StrCpy $0 "$INSTDIR\vim${VER_MAJOR}${VER_MINOR}"
+
+	SetOutPath $0
+	File /oname=gvim.exe ${VIMSRC}\gvim_ole.exe
+	File /oname=install.exe ${VIMSRC}\installw32.exe
+	File /oname=uninstal.exe ${VIMSRC}\uninstalw32.exe
+	File ${VIMSRC}\vimrun.exe
+	File /oname=xxd.exe ${VIMSRC}\xxdw32.exe
+	File ${VIMTOOLS}\diff.exe
+	File ${VIMRT}\vimtutor.bat
+	File ${VIMRT}\README.txt
+	File ..\uninstal.txt
+	File ${VIMRT}\*.vim
+	File ${VIMRT}\rgb.txt
+
+	SetOutPath $0\colors
+	File ${VIMRT}\colors\*.*
+
+	SetOutPath $0\compiler
+	File ${VIMRT}\compiler\*.*
+
+	SetOutPath $0\doc
+	File ${VIMRT}\doc\*.txt
+	File ${VIMRT}\doc\tags
+
+	SetOutPath $0\ftplugin
+	File ${VIMRT}\ftplugin\*.*
+
+	SetOutPath $0\indent
+	File ${VIMRT}\indent\*.*
+
+	SetOutPath $0\macros
+	File ${VIMRT}\macros\*.*
+
+	SetOutPath $0\plugin
+	File ${VIMRT}\plugin\*.*
+
+	SetOutPath $0\syntax
+	File ${VIMRT}\syntax\*.*
+
+	SetOutPath $0\tools
+	File ${VIMRT}\tools\*.*
+
+	SetOutPath $0\tutor
+	File ${VIMRT}\tutor\*.*
+SectionEnd
+
+##########################################################
+Section "Vim console program (vim.exe)"
+	SectionIn 1 3
+
+	SetOutPath $0
+	ReadRegStr $R0 HKLM \
+	   "SOFTWARE\Microsoft\Windows NT\CurrentVersion" CurrentVersion
+	IfErrors 0 lbl_winnt
+	    # Windows 95/98/ME
+	    File /oname=vim.exe ${VIMSRC}\vimd32.exe
+	    Goto lbl_done
+	lbl_winnt:
+	    # Windows NT/2000/XT
+	    File /oname=vim.exe ${VIMSRC}\vimw32.exe
+	lbl_done:
+	StrCpy $2 "$2 vim view vimdiff"
+SectionEnd
+
+##########################################################
+Section "Create .bat files for command line use"
+	SectionIn 3
+
+	StrCpy $1 "$1 -create-batfiles $2"
+SectionEnd
+
+##########################################################
+Section "Create icons on the Desktop"
+	SectionIn 1 3
+
+	StrCpy $1 "$1 -install-icons"
+SectionEnd
+
+##########################################################
+Section "Add Vim to the Start Menu"
+	SectionIn 1 3
+
+	StrCpy $1 "$1 -add-start-menu"
+SectionEnd
+
+##########################################################
+Section "Add an Edit-with-Vim context menu entry"
+	SectionIn 1 3
+
+	# Be aware of this sequence of events:
+	# - user uninstalls Vim, gvimext.dll can't be removed (it's in use) and
+	#   is scheduled to be removed at next reboot.
+	# - user installs Vim in same directory, gvimext.dll still exists.
+	# If we now skip installing gvimext.dll, it will disappear at the next
+	# reboot.  Thus when copying gvimext.dll fails always schedule it to be
+	# installed at the next reboot.  Can't use UpgradeDLL!
+	# We don't ask the user to reboot, the old dll will keep on working.
+	SetOutPath $0
+	ClearErrors
+	SetOverwrite try
+	File /oname=gvimext.dll ${VIMSRC}\GvimExt\gvimext.dll
+	IfErrors 0 GvimExtDone
+
+	# Can't copy gvimext.dll, create it under another name and rename it on
+	# next reboot.
+	GetTempFileName $3 $0
+	File /oname=$3 ${VIMSRC}\GvimExt\gvimext.dll
+	Rename /REBOOTOK $3 $0\gvimext.dll
+
+	GvimExtDone:
+	SetOverwrite lastused
+
+	# We don't have a separate entry for the "Open With..." menu, assume
+	# the user wants either both or none.
+	StrCpy $1 "$1 -install-popup -install-openwith"
+SectionEnd
+
+##########################################################
+Section "Create a _vimrc if it doesn't exist"
+	SectionIn 1 3
+
+	StrCpy $1 "$1 -create-vimrc"
+SectionEnd
+
+##########################################################
+Section "Create plugin directories in HOME or VIM"
+	SectionIn 1 3
+
+	StrCpy $1 "$1 -create-directories home"
+SectionEnd
+
+##########################################################
+Section "Create plugin directories in VIM"
+	SectionIn 3
+
+	StrCpy $1 "$1 -create-directories vim"
+SectionEnd
+
+##########################################################
+Section "VisVim Extension for MS Visual Studio"
+	SectionIn 3
+
+	SetOutPath $0
+	!insertmacro UpgradeDLL "${VIMSRC}\VisVim\VisVim.dll" "$0\VisVim.dll" "$0"
+	File ${VIMSRC}\VisVim\README_VisVim.txt
+SectionEnd
+
+##########################################################
+!ifdef HAVE_NLS
+	Section "Native Language Support"
+		SectionIn 1 3
+
+		SetOutPath $0\lang
+		File /r ${VIMRT}\lang\*.*
+		SetOutPath $0\keymap
+		File ${VIMRT}\keymap\README.txt
+		File ${VIMRT}\keymap\*.vim
+		SetOutPath $0
+		File ${VIMRT}\libintl.dll
+	SectionEnd
+!endif
+
+##########################################################
+Section -call_install_exe
+	SetOutPath $0
+	ExecWait "$0\install.exe $1"
+SectionEnd
+
+##########################################################
+Section -post
+	BringToFront
+SectionEnd
+
+##########################################################
+Section Uninstall
+	# Apparently $INSTDIR is set to the directory where the uninstaller is
+	# created.  Thus the "vim61" directory is included in it.
+	StrCpy $0 "$INSTDIR"
+
+	# If VisVim was installed, unregister the DLL.
+	IfFileExists "$0\VisVim.dll" Has_VisVim No_VisVim
+	Has_VisVim:
+	   ExecWait "regsvr32.exe /u /s $0\VisVim.dll"
+
+	No_VisVim:
+
+	# delete the context menu entry and batch files
+	ExecWait "$0\uninstal.exe -nsis"
+
+	# We may have been put to the background when uninstall did something.
+	BringToFront
+
+	# ask the user if the Vim version dir must be removed
+	MessageBox MB_YESNO|MB_ICONQUESTION \
+	  "Would you like to delete $0?$\n \
+	   $\nIt contains the Vim executables and runtime files." IDNO NoRemoveExes
+
+	Delete /REBOOTOK $0\*.dll
+	ClearErrors
+	# Remove everything but *.dll files.  Avoids that
+	# a lot remains when gvimext.dll cannot be deleted.
+	RMDir /r $0\colors
+	RMDir /r $0\compiler
+	RMDir /r $0\doc
+	RMDir /r $0\ftplugin
+	RMDir /r $0\indent
+	RMDir /r $0\macros
+	RMDir /r $0\plugin
+	RMDir /r $0\syntax
+	RMDir /r $0\tools
+	RMDir /r $0\tutor
+	RMDir /r $0\VisVim
+	RMDir /r $0\lang
+	RMDir /r $0\keymap
+	Delete $0\*.exe
+	Delete $0\*.bat
+	Delete $0\*.vim
+	Delete $0\*.txt
+
+	IfErrors ErrorMess NoErrorMess
+	  ErrorMess:
+	    MessageBox MB_OK|MB_ICONEXCLAMATION \
+	      "Some files in $0 have not been deleted!$\nYou must do it manually."
+	  NoErrorMess:
+
+	# No error message if the "vim62" directory can't be removed, the
+	# gvimext.dll may still be there.
+	RMDir $0
+
+	NoRemoveExes:
+	# get the parent dir of the installation
+	Push $INSTDIR
+	Call un.GetParent
+	Pop $0
+	StrCpy $1 $0
+
+	# if a plugin dir was created at installation ask the user to remove it
+	# first look in the root of the installation then in HOME
+	IfFileExists $1\vimfiles AskRemove 0
+	    ReadEnvStr $1 "HOME"
+	    StrCmp $1 "" NoRemove 0
+
+	    IfFileExists $1\vimfiles 0 NoRemove
+
+	  AskRemove:
+	    MessageBox MB_YESNO|MB_ICONQUESTION \
+	      "Remove all files in your $1\vimfiles directory? \
+	      $\nIf you have created something there that you want to keep, click No" IDNO Fin
+	    RMDir /r $1\vimfiles
+	  NoRemove:
+
+	# ask the user if the Vim root dir must be removed
+	MessageBox MB_YESNO|MB_ICONQUESTION \
+	  "Would you like to remove $0?$\n \
+	   $\nIt contains your Vim configuration files!" IDNO NoDelete
+	   RMDir /r $0 ; skipped if no
+	NoDelete:
+
+	Fin:
+	Call un.onUnInstSuccess
+
+SectionEnd