From d3381ca8a585b875ae25d7ec80f49a97b32a828c Mon Sep 17 00:00:00 2001
From: Jean <bniler1@gmail.com>
Date: Fri, 5 Jun 2026 04:32:05 -0400
Subject: [PATCH] feat: add Windows installer packaging via Inno Setup

- winutil.iss: Inno Setup script that installs winutil.ps1 to
  %ProgramFiles%\WinUtil, creates Start Menu + optional Desktop
  shortcuts patched with Run-as-Administrator flag
- build-installer.ps1: one-shot build script (Compile.ps1 ->
  ISCC.exe -> installer\WinUtil-Setup-<version>.exe); auto-installs
  Inno Setup via winget if missing
- .gitattributes: add *.ico binary to prevent git line-ending
  corruption of icon files
- .gitignore: exclude installer/ build output
- docs/static/favicon.ico: regenerated as a clean valid ICO
  (16/32/48 px) after the original was corrupted by missing binary attr
---
 .gitattributes          |   1 +
 .gitignore              |   1 +
 build-installer.ps1     |  96 ++++++++++++++++++++++++++++++++
 docs/static/favicon.ico | Bin 21897 -> 2270 bytes
 winutil.iss             | 120 ++++++++++++++++++++++++++++++++++++++++
 5 files changed, 218 insertions(+)
 create mode 100644 build-installer.ps1
 create mode 100644 winutil.iss

diff --git a/.gitattributes b/.gitattributes
index da0b45d5a2..29660f68a5 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6,6 +6,7 @@
 
 *.png binary
 *.jpg binary
+*.ico binary
 
 config/* diff
 config/applications.json diff
diff --git a/.gitignore b/.gitignore
index a97fe97dec..548864410a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ Microsoft.PowerShell.ConsoleHost.dll
 winutil.exe.config
 winutil.ps1
 binary/
+installer/
 
 # general software/os specific
 desktop.ini
diff --git a/build-installer.ps1 b/build-installer.ps1
new file mode 100644
index 0000000000..4a2abafadb
--- /dev/null
+++ b/build-installer.ps1
@@ -0,0 +1,96 @@
+<#
+.SYNOPSIS
+    Compiles winutil.ps1 and builds a Windows installer (WinUtil-Setup-<version>.exe).
+
+.DESCRIPTION
+    1. Runs Compile.ps1 to bundle all functions + configs into winutil.ps1.
+    2. Locates Inno Setup 6 (ISCC.exe) — installs it via winget if missing.
+    3. Invokes ISCC.exe with winutil.iss to produce the installer under .\installer\.
+
+.EXAMPLE
+    .\build-installer.ps1
+    .\build-installer.ps1 -SkipCompile     # reuse an existing winutil.ps1
+    .\build-installer.ps1 -Version "26.06.05"
+#>
+
+param (
+    [switch]$SkipCompile,
+    [string]$Version = (Get-Date -Format 'yy.MM.dd')
+)
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = 'Stop'
+
+$projectRoot = $PSScriptRoot
+
+function Find-ISCC {
+    $candidates = @(
+        'C:\Program Files (x86)\Inno Setup 6\ISCC.exe',
+        'C:\Program Files\Inno Setup 6\ISCC.exe',
+        "$env:LOCALAPPDATA\Programs\Inno Setup 6\ISCC.exe",
+        (Get-Command iscc -ErrorAction SilentlyContinue)?.Source
+    ) | Where-Object { $_ -and (Test-Path $_) }
+    return $candidates | Select-Object -First 1
+}
+
+# ── Step 1: Compile ──────────────────────────────────────────────────────────
+if (-not $SkipCompile) {
+    Write-Host "Compiling winutil.ps1..." -ForegroundColor Cyan
+    & "$projectRoot\Compile.ps1"
+    if ($LASTEXITCODE -and $LASTEXITCODE -ne 0) {
+        throw "Compile.ps1 failed (exit $LASTEXITCODE)."
+    }
+    Write-Host "Compile succeeded." -ForegroundColor Green
+} else {
+    Write-Host "Skipping compile (-SkipCompile)." -ForegroundColor Yellow
+}
+
+$winutilPs1 = Join-Path $projectRoot 'winutil.ps1'
+if (-not (Test-Path $winutilPs1)) {
+    throw "winutil.ps1 not found at '$winutilPs1'. Run without -SkipCompile first."
+}
+
+# ── Step 2: Locate / install Inno Setup ──────────────────────────────────────
+$iscc = Find-ISCC
+if (-not $iscc) {
+    Write-Host "Inno Setup 6 not found. Attempting install via winget..." -ForegroundColor Yellow
+    winget install --id JRSoftware.InnoSetup --silent --accept-source-agreements --accept-package-agreements
+    $iscc = Find-ISCC
+}
+
+if (-not $iscc) {
+    Write-Error @"
+Inno Setup 6 (ISCC.exe) was not found and could not be installed automatically.
+
+Please install it manually from:
+    https://jrsoftware.org/isdl.php
+
+Then re-run this script.
+"@
+    exit 1
+}
+
+Write-Host "Using ISCC: $iscc" -ForegroundColor Cyan
+
+# ── Step 3: Create output directory ─────────────────────────────────────────
+$installerDir = Join-Path $projectRoot 'installer'
+if (-not (Test-Path $installerDir)) {
+    New-Item -ItemType Directory -Path $installerDir | Out-Null
+}
+
+# ── Step 4: Build installer ──────────────────────────────────────────────────
+$issFile = Join-Path $projectRoot 'winutil.iss'
+Write-Host "Building installer (version $Version)..." -ForegroundColor Cyan
+
+& $iscc "/DMyAppVersion=$Version" $issFile
+
+if ($LASTEXITCODE -ne 0) {
+    throw "ISCC.exe failed (exit $LASTEXITCODE)."
+}
+
+$outputExe = Join-Path $installerDir "WinUtil-Setup-$Version.exe"
+if (Test-Path $outputExe) {
+    Write-Host "`nInstaller ready: $outputExe" -ForegroundColor Green
+} else {
+    Write-Warning "Build reported success but '$outputExe' was not found. Check ISCC output above."
+}
diff --git a/docs/static/favicon.ico b/docs/static/favicon.ico
index f95955c6dec2db8ead0b9edd26173a42d8740a77..ff0cee0a81af9d10a0591e7031249ac9603fd1fc 100644
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diff --git a/winutil.iss b/winutil.iss
new file mode 100644
index 0000000000..d0a8072c4e
--- /dev/null
+++ b/winutil.iss
@@ -0,0 +1,120 @@
+; Inno Setup Script for WinUtil
+; Chris Titus Tech's Windows Utility
+; Build with: ISCC.exe winutil.iss
+; Or run: .\build-installer.ps1
+
+#define MyAppName "WinUtil"
+#define MyAppPublisher "Chris Titus Tech"
+#define MyAppURL "https://christitus.com"
+#define MyAppDescription "Chris Titus Tech Windows Utility"
+
+[Setup]
+AppId={{8B7A5E3C-4F2D-4E8A-B1C0-9D6F8E2A3B7F}
+AppName={#MyAppName}
+AppVersion={#MyAppVersion}
+AppVerName={#MyAppName} {#MyAppVersion}
+AppPublisher={#MyAppPublisher}
+AppPublisherURL={#MyAppURL}
+AppSupportURL={#MyAppURL}
+AppUpdatesURL={#MyAppURL}
+DefaultDirName={autopf}\{#MyAppName}
+DefaultGroupName={#MyAppName}
+AllowNoIcons=no
+OutputDir=installer
+OutputBaseFilename=WinUtil-Setup-{#MyAppVersion}
+SetupIconFile=docs\static\favicon.ico
+Compression=lzma2
+SolidCompression=yes
+WizardStyle=modern
+; Installer itself requires admin; the app also self-elevates on launch
+PrivilegesRequired=admin
+UninstallDisplayIcon={app}\favicon.ico
+UninstallDisplayName={#MyAppName}
+VersionInfoVersion=1.0.0.0
+VersionInfoCompany={#MyAppPublisher}
+VersionInfoDescription={#MyAppDescription}
+; Prevent downgrade installs silently overwriting a newer version
+VersionInfoProductVersion={#MyAppVersion}
+
+[Languages]
+Name: "english"; MessagesFile: "compiler:Default.isl"
+
+[Tasks]
+Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: checkedonce
+
+[Files]
+Source: "winutil.ps1"; DestDir: "{app}"; Flags: ignoreversion
+Source: "docs\static\favicon.ico"; DestDir: "{app}"; Flags: ignoreversion
+
+[Icons]
+; Start Menu shortcut — targets powershell.exe; winutil.ps1 self-elevates to admin via UAC
+Name: "{group}\{#MyAppName}"; \
+    Filename: "{sys}\WindowsPowerShell\v1.0\powershell.exe"; \
+    Parameters: "-ExecutionPolicy Bypass -NoProfile -File ""{app}\winutil.ps1"""; \
+    WorkingDir: "{app}"; \
+    IconFilename: "{app}\favicon.ico"; \
+    Comment: "Launch Chris Titus Tech's Windows Utility"
+
+Name: "{group}\Uninstall {#MyAppName}"; Filename: "{uninstallexe}"
+
+; Optional desktop shortcut (checked by default once)
+Name: "{commondesktop}\{#MyAppName}"; \
+    Filename: "{sys}\WindowsPowerShell\v1.0\powershell.exe"; \
+    Parameters: "-ExecutionPolicy Bypass -NoProfile -File ""{app}\winutil.ps1"""; \
+    WorkingDir: "{app}"; \
+    IconFilename: "{app}\favicon.ico"; \
+    Comment: "Launch Chris Titus Tech's Windows Utility"; \
+    Tasks: desktopicon
+
+[Run]
+; Offer to launch WinUtil immediately after installation
+Filename: "{sys}\WindowsPowerShell\v1.0\powershell.exe"; \
+    Parameters: "-ExecutionPolicy Bypass -NoProfile -File ""{app}\winutil.ps1"""; \
+    WorkingDir: "{app}"; \
+    Description: "Launch {#MyAppName} now"; \
+    Flags: nowait postinstall skipifsilent shellexec
+
+[Code]
+// Set the "Run as administrator" flag on both shortcuts after creation.
+// The .lnk format stores this in byte 21 (0-indexed), bit 5 (0x20).
+procedure SetShortcutRunAsAdmin(LinkPath: String);
+var
+  FileStream: TFileStream;
+  FlagByte: Byte;
+  Buffer: AnsiString;
+begin
+  if not FileExists(LinkPath) then Exit;
+  try
+    FileStream := TFileStream.Create(LinkPath, fmOpenReadWrite);
+    try
+      FileStream.Seek(21, soFromBeginning);
+      SetLength(Buffer, 1);
+      FileStream.ReadBuffer(Buffer[1], 1);
+      FlagByte := Ord(Buffer[1]) or $20;
+      Buffer[1] := Chr(FlagByte);
+      FileStream.Seek(21, soFromBeginning);
+      FileStream.WriteBuffer(Buffer[1], 1);
+    finally
+      FileStream.Free;
+    end;
+  except
+    // Non-fatal: shortcuts still work without the admin flag;
+    // winutil.ps1 self-elevates via UAC on first run anyway.
+  end;
+end;
+
+procedure CurStepChanged(CurStep: TSetupStep);
+var
+  StartMenuLink: String;
+  DesktopLink: String;
+begin
+  if CurStep = ssPostInstall then begin
+    StartMenuLink := ExpandConstant('{group}\WinUtil.lnk');
+    SetShortcutRunAsAdmin(StartMenuLink);
+
+    if WizardIsTaskSelected('desktopicon') then begin
+      DesktopLink := ExpandConstant('{commondesktop}\WinUtil.lnk');
+      SetShortcutRunAsAdmin(DesktopLink);
+    end;
+  end;
+end;