Make nsis match better

application/basilisk/installer/windows/nsis/installer.nsi

@@ -1073,51 +1073,22 @@ Function .onInit
     Quit
   ${EndUnless}
 
-  SetRegView 64
-!else
-  StrCpy $R8 "0"
-  ${If} ${AtMostWin2000}
-    StrCpy $R8 "1"
-  ${EndIf}
-
-  ${If} ${IsWinXP}
-  ${AndIf} ${AtMostServicePack} 1
-    StrCpy $R8 "1"
-  ${EndIf}
-
-  ${If} $R8 == "1"
-    ; XXX-rstrong - some systems failed the AtLeastWin2000 test that we
-    ; used to use for an unknown reason and likely fail the AtMostWin2000
-    ; and possibly the IsWinXP test as well. To work around this also
-    ; check if the Windows NT registry Key exists and if it does if the
-    ; first char in CurrentVersion is equal to 3 (Windows NT 3.5 and
-    ; 3.5.1), 4 (Windows NT 4), or 5 (Windows 2000 and Windows XP).
-    StrCpy $R8 ""
-    ClearErrors
-    ReadRegStr $R8 HKLM "SOFTWARE\Microsoft\Windows NT\CurrentVersion" "CurrentVersion"
-    StrCpy $R8 "$R8" 1
-    ${If} ${Errors}
-    ${OrIf} "$R8" == "3"
-    ${OrIf} "$R8" == "4"
-    ${OrIf} "$R8" == "5"
-      ${If} "$R7" == "0"
-        strCpy $R7 "$(WARN_MIN_SUPPORTED_OSVER_CPU_MSG)"
-      ${Else}
-        strCpy $R7 "$(WARN_MIN_SUPPORTED_OSVER_MSG)"
-      ${EndIf}
-      MessageBox MB_OKCANCEL|MB_ICONSTOP "$R7" IDCANCEL +2
-      ExecShell "open" "${URLSystemRequirements}"
-      Quit
-    ${EndIf}
-  ${EndUnless}
-!endif
-
+  ; SSE2 support
   ${If} "$R7" == "0"
     MessageBox MB_OKCANCEL|MB_ICONSTOP "$(WARN_MIN_SUPPORTED_CPU_MSG)" IDCANCEL +2
     ExecShell "open" "${URLSystemRequirements}"
     Quit
   ${EndIf}
 
+!ifdef HAVE_64BIT_BUILD
+  ${Unless} ${RunningX64}
+    MessageBox MB_OKCANCEL|MB_ICONSTOP "$(WARN_MIN_SUPPORTED_OSVER_MSG)" IDCANCEL +2
+    ExecShell "open" "${URLSystemRequirements}"
+    Quit
+  ${EndUnless}
+  SetRegView 64
+!endif
+
   ${InstallOnInitCommon} "$(WARN_MIN_SUPPORTED_OSVER_CPU_MSG)"
 
 ; The commands inside this ifndef are needed prior to NSIS 3.0a2 and can be

application/basilisk/installer/windows/nsis/uninstaller.nsi

@@ -166,56 +166,6 @@ UninstPage custom un.preConfirm
 ; Use the default dialog for IDD_VERIFY for a simple Banner
 ChangeUI IDD_VERIFY "${NSISDIR}\Contrib\UIs\default.exe"
 
-################################################################################
-# Helper Functions
-
-; This function is used to uninstall the maintenance service if the
-; application currently being uninstalled is the last application to use the 
-; maintenance service.
-Function un.UninstallServiceIfNotUsed
-  ; $0 will store if a subkey exists
-  ; $1 will store the first subkey if it exists or an empty string if it doesn't
-  ; Backup the old values
-  Push $0
-  Push $1
-
-  ; The maintenance service always uses the 64-bit registry on x64 systems
-  ${If} ${RunningX64}
-    SetRegView 64
-  ${EndIf}
-
-  ; Figure out the number of subkeys
-  StrCpy $0 0
-  ${Do}
-    EnumRegKey $1 HKLM "Software\Mozilla\MaintenanceService" $0
-    ${If} "$1" == ""
-      ${ExitDo}
-    ${EndIf}
-    IntOp $0 $0 + 1
-  ${Loop}
-
-  ; Restore back the registry view
-  ${If} ${RunningX64}
-    SetRegView lastUsed
-  ${EndIf}
-  ${If} $0 == 0
-    ; Get the path of the maintenance service uninstaller
-    ReadRegStr $1 HKLM ${MaintUninstallKey} "UninstallString"
-
-    ; If the uninstall string does not exist, skip executing it
-    StrCmp $1 "" doneUninstall
-
-    ; $1 is already a quoted string pointing to the install path
-    ; so we're already protected against paths with spaces
-    nsExec::Exec "$1 /S"
-doneUninstall:
-  ${EndIf}
-
-  ; Restore the old value of $1 and $0
-  Pop $1
-  Pop $0
-FunctionEnd
-
 ################################################################################
 # Install Sections
 ; Empty section required for the installer to compile as an uninstaller