update to new opsi builder template

CLIENT_DATA/delsub32.ins

@@ -1,13 +1,28 @@
 ; Copyright (c) uib gmbh (www.uib.de)
 ; This sourcecode is owned by uib gmbh
 ; and published under the Terms of the General Public License.
-; credits: http://www.opsi.org/credits/
+; credits: http://www.opsi.org/en/credits/
 
 
-Set $UninstallProgram$ = $InstallDir$ + "\unins000.exe"
+Set $UninstallProgram$ = $InstallDir$ + "\" + $UninstallProg$
+Set $IniFile$ = $InstallDir$ + "\opsi-" + $ProductId$ + ".ini"
 
-Message "Uninstalling " + $ProductId$ + " ..."
+if FileExists($IniFile$)
+	Set $OLD_VERSION$ = GetValueFromInifile($IniFile$,"COMMON","VERSION","")
+	Set $OLD_CREATOR_TAG$ = GetValueFromInifile($IniFile$,"COMMON","CREATOR_TAG","")
+	Set $OLD_RELEASE$ = GetValueFromInifile($IniFile$,"COMMON","RELEASE","")
+endif
+Message "Uninstalling " + $ProductId$ + " " + $OLD_VERSION$ + "-" + $OLD_CREATOR_TAG$ + $OLD_RELEASE$ + " ..."
 
+if FileExists($IniFile$)
+        Set $UninstallProg$ = GetValueFromInifile($IniFile$,"X86","UninstallProg","XXXXXXXX.exe")
+	Set $UninstallProgramOld$ = $InstallDir$ + "\" + $UninstallProg$
+	if FileExists($UninstallProgramOld$)
+		comment "Uninstall program found, starting uninstall"
+		Winbatch_uninstall_old
+		sub_check_exitcode
+	endif
+endif
 if FileExists($UninstallProgram$)
 	comment "Uninstall program found, starting uninstall"
 	Winbatch_uninstall
@@ -23,12 +38,18 @@ Registry_uninstall /32Bit
 comment "Delete program shortcuts"
 LinkFolder_uninstall
 
+[Winbatch_uninstall_old]
+"$UninstallProgramOld$" /silent /norestart /SUPPRESSMSGBOXES /nocancel
+
+
 [Winbatch_uninstall]
-"$UninstallProgram$" /VERYSILENT /NORESTART
+"$UninstallProgram$" /silent /norestart /SUPPRESSMSGBOXES /nocancel
+
 
 [Files_uninstall]
-; Example for recursively deleting the installation directory (don't forget the trailing backslash):
+; Example for recursively deleting the installation directory:
 ;
+del -sf "$InstallDir$\"
 
 [Registry_uninstall]
 ; Example of deleting a registry key: