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diff --git a/packaging/nsis/windeployqt-to-nsis.ps1 b/packaging/nsis/windeployqt-to-nsis.ps1
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+# windeployqt-to-nsh
+#
+# Windeployqt-to-nsh - Convert the output of windeployqt to an equivalent set of
+# NSIS "File" function calls.
+#
+# Copyright 2014 Gerald Combs <gerald@wireshark.org>
+#
+# Wireshark - Network traffic analyzer
+# By Gerald Combs <gerald@wireshark.org>
+# Copyright 1998 Gerald Combs
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#requires -version 2
+
+<#
+.SYNOPSIS
+Creates NSIS "File" function calls required for Qt packaging.
+
+.DESCRIPTION
+This script creates an NSIS-compatible file based on the output of
+windeployqt. If Qt is present, version 5.3 or later is required.
+Otherwise a dummy file will be created.
+
+If building with Qt, QMake must be in your PATH.
+
+.PARAMETER Executable
+The path to a Qt application. It will be examined for dependent DLLs.
+
+.PARAMETER FilePath
+Output filename.
+
+.PARAMETER DebugConfig
+Assume debug binaries.
+
+.INPUTS
+-Executable Path to the Qt application.
+-FilePath Output NSIS file.
+
+.OUTPUTS
+List of NSIS commands required to package supporting DLLs.
+
+.EXAMPLE
+C:\PS> .\windeployqt-to-nsis.ps1 windeployqt.exe ..\..\staging\wireshark.exe wireshark-qt-manifest.nsh [-DebugConfig]
+#>
+
+Param(
+    [Parameter(Mandatory=$true, Position=0)]
+    [String] $Executable,
+
+    [Parameter(Position=1)]
+    [String] $FilePath = "wireshark-qt-manifest.nsh",
+
+    [Parameter(Mandatory=$false)]
+    [Switch] $DebugConfig
+)
+
+
+try {
+    $qtVersion = [version](qmake -query QT_VERSION)
+    $nsisCommands = @("# Qt version " + $qtVersion ; "#")
+
+    if ($qtVersion -lt "5.3") {
+        Throw "Qt " + $qtVersion + " found. 5.3 or later is required."
+    }
+
+    $DebugOrRelease = If ($DebugConfig) {"--debug"} Else {"--release"}
+
+    # windeployqt lists translation files that it don't exist (e.g.
+    # qtbase_ar.qm), so we handle those by hand.
+    # https://bugreports.qt.io/browse/QTBUG-65974
+    $wdqtList = windeployqt `
+        $DebugOrRelease `
+        --no-compiler-runtime `
+        --no-translations `
+        --list relative `
+        $Executable
+
+    $basePath = Split-Path -Parent $Executable
+
+    $currentDir = ""
+
+    foreach ($entry in $wdqtList) {
+        $dir = Split-Path -Parent $entry
+        if ($dir -and $dir -ne $currentDir) {
+            $nsisCommands += "SetOutPath `"`$INSTDIR\$dir`""
+            $currentDir = $dir
+        }
+        $nsisCommands += "File `"$basePath\$entry`""
+    }
+}
+
+catch {
+
+    $nsisCommands = @"
+# Qt not configured
+#
+"@
+
+}
+
+Set-Content $FilePath @"
+#
+# Automatically generated by $($MyInvocation.MyCommand.Name)
+#
+"@
+
+Add-Content $FilePath $nsisCommands