Private build: installer next to the portable exe

docs/design.md

@@ -55,7 +55,7 @@ Each component has exactly these parts. A part that doesn't apply is explicitly
 - Owner-only conveniences that a public build must not have (today: fetching Lecram's paid builds from his channel)
   sit behind a compile-time switch (`-p:<Name>=true`, default off, `BuildFlags.<Name>`), are compiled in both variants
   and tested in both. Public releases build with the switch off; `tools/build-private.ps1` builds the private
-  variant; the release bot drops it on copyparty after each release.
+  variant (portable exe and installer); the release bot drops both on copyparty after each release.
 - `nvngx_dlssnr.dll` is never committed to this repo or bundled in the exe/installer; the app downloads it from the catalog mirror.
 
 ## 4. Choosing builds

installer/DLSSUpdater.iss

@@ -1,18 +1,27 @@
 ; Inno Setup script for the installable DLSS5 Updater. Build after `dotnet publish`:
 ;   iscc /DAppVersion=3.0.0 installer\DLSSUpdater.iss
 ; The portable build is the same single-file publish\DLSS5Updater.exe, released as is.
+; The owner's private build (tools\build-private.ps1) adds /DPrivate: it packages publish-private\DLSS5Updater.exe into
+; publish-private\DLSS5Updater-Setup-<version>-private.exe. Same AppId, so it installs over the public app and back.
 
 #ifndef AppVersion
   #define AppVersion "0.0.0"
 #endif
 #define AppName "DLSS5 Updater"
 #define AppExe "DLSS5Updater.exe"
+#ifdef Private
+  #define SourceDir "..\publish-private"
+  #define Suffix "-private"
+#else
+  #define SourceDir "..\publish"
+  #define Suffix ""
+#endif
 
 [Setup]
 AppId={{6F0B8E53-1C2D-4B7A-9E4F-3A5D2C8B1E07}
 AppName={#AppName}
 AppVersion={#AppVersion}
-AppVerName={#AppName} {#AppVersion}
+AppVerName={#AppName} {#AppVersion}{#Suffix}
 AppPublisher=ApolloF
 AppPublisherURL=https://github.com/ApolloF/DLSS5-Updater
 AppSupportURL=https://github.com/ApolloF/DLSS5-Updater/issues
@@ -31,8 +40,8 @@ MinVersion=10.0
 SetupIconFile=..\src\DLSSUpdater\Assets\icon.ico
 UninstallDisplayIcon={app}\{#AppExe}
 UninstallDisplayName={#AppName}
-OutputDir=..\publish
-OutputBaseFilename=DLSS5Updater-Setup-{#AppVersion}
+OutputDir={#SourceDir}
+OutputBaseFilename=DLSS5Updater-Setup-{#AppVersion}{#Suffix}
 Compression=lzma2/max
 SolidCompression=yes
 WizardStyle=modern
@@ -53,7 +62,7 @@ Type: files; Name: "{autoprograms}\DLSS Updater\DLSS Updater.lnk"
 Type: dirifempty; Name: "{autoprograms}\DLSS Updater"
 
 [Files]
-Source: "..\publish\{#AppExe}"; DestDir: "{app}"; Flags: ignoreversion
+Source: "{#SourceDir}\{#AppExe}"; DestDir: "{app}"; Flags: ignoreversion
 
 [Icons]
 Name: "{group}\{#AppName}"; Filename: "{app}\{#AppExe}"

tools/build-private.ps1

@@ -1,5 +1,7 @@
-# Builds the owner's private portable exe: the public app plus Lecram's MediaFire channel (-p:LecramChannel=true).
-# Output: publish-private\DLSS5Updater.exe. Run from anywhere.
+# Builds the owner's private app: the public app plus Lecram's MediaFire channel (-p:LecramChannel=true).
+# Output: publish-private\DLSS5Updater.exe (portable) and DLSS5Updater-Setup-<version>-private.exe (installer, needs
+# Inno Setup 6; -NoInstaller skips it). Run from anywhere.
+param([switch]$NoInstaller)
 $ErrorActionPreference = 'Stop'
 $root = Split-Path -Parent $PSScriptRoot
 $out = Join-Path $root 'publish-private'
@@ -9,5 +11,16 @@ if ($LASTEXITCODE -ne 0) { throw "dotnet publish failed (exit $LASTEXITCODE)" }
 
 $exe = Join-Path $out 'DLSS5Updater.exe'
 if (-not (Test-Path $exe)) { throw "Missing $exe after publish" }
+$vi = (Get-Item $exe).VersionInfo
 Write-Host "Private build: $exe"
-Write-Host "Version: $((Get-Item $exe).VersionInfo.ProductVersion)"
+Write-Host "Version: $($vi.ProductVersion)"
+if ($NoInstaller) { return }
+
+$iscc = @((Get-Command iscc -CommandType Application -ErrorAction SilentlyContinue).Source,
+    "${env:ProgramFiles(x86)}\Inno Setup 6\ISCC.exe", "$env:LOCALAPPDATA\Programs\Inno Setup 6\ISCC.exe") |
+    Where-Object { $_ -and (Test-Path $_) } | Select-Object -First 1
+if (-not $iscc) { throw 'Inno Setup 6 (ISCC.exe) not found; install it or pass -NoInstaller' }
+$version = "$($vi.FileMajorPart).$($vi.FileMinorPart).$($vi.FileBuildPart)"
+& $iscc /Q /DPrivate "/DAppVersion=$version" (Join-Path $root 'installer\DLSSUpdater.iss')
+if ($LASTEXITCODE -ne 0) { throw "ISCC failed (exit $LASTEXITCODE)" }
+Write-Host "Installer: $(Join-Path $out "DLSS5Updater-Setup-$version-private.exe")"