feat: generate update release manifest

scripts/build.ps1

@@ -1,5 +1,10 @@
 param(
-    [switch]$SkipBuild
+    [switch]$SkipBuild,
+    [string]$ManifestBaseUrl = "",
+    [string]$PublishDir = "",
+    [string]$ReleaseNotes = "",
+    [string]$MinSupported = "",
+    [switch]$Mandatory
 )
 
 $ErrorActionPreference = "Stop"
@@ -41,10 +46,27 @@ function Assert-InProject {
     }
 }
 
+function Join-Url {
+    param(
+        [string]$BaseUrl,
+        [string]$Name
+    )
+
+    if (-not $BaseUrl) {
+        return $Name
+    }
+    if (-not $BaseUrl.EndsWith("/")) {
+        $BaseUrl = "$BaseUrl/"
+    }
+    return (New-Object -TypeName System.Uri -ArgumentList ([System.Uri]$BaseUrl), $Name).AbsoluteUri
+}
+
 $AppName = Read-VersionValue -Path $VersionFile -Name "APP_NAME"
 $AppVersion = Read-VersionValue -Path $VersionFile -Name "APP_VERSION"
 $ReleaseName = "$AppExeName-$AppVersion"
 $ReleaseDir = Join-Path $ReleaseRoot $ReleaseName
+$ReleaseZip = Join-Path $ReleaseRoot "$ReleaseName.zip"
+$ManifestPath = Join-Path $ReleaseRoot "manifest.json"
 $PyInstallerOutputDir = Join-Path $DistDir $AppExeName
 $ExePath = Join-Path $ReleaseDir "$AppExeName.exe"
 
@@ -69,7 +91,7 @@ if (-not (Test-Path -LiteralPath $DefaultConfigDir)) {
 
 New-Item -ItemType Directory -Force -Path $ReleaseRoot | Out-Null
 
-foreach ($path in @($BuildDir, $PyInstallerOutputDir, $ReleaseDir)) {
+foreach ($path in @($BuildDir, $PyInstallerOutputDir, $ReleaseDir, $ReleaseZip, $ManifestPath)) {
     Assert-InProject -Path $path
     if (Test-Path -LiteralPath $path) {
         Remove-Item -LiteralPath $path -Recurse -Force
@@ -99,6 +121,7 @@ Copy-Item -LiteralPath $PyInstallerOutputDir -Destination $ReleaseDir -Recurse
 Copy-Item -LiteralPath $DefaultConfigDir -Destination (Join-Path $ReleaseDir "config") -Recurse
 New-Item -ItemType Directory -Force -Path (Join-Path $ReleaseDir "logs") | Out-Null
 New-Item -ItemType Directory -Force -Path (Join-Path $ReleaseDir "output") | Out-Null
+Set-Content -LiteralPath (Join-Path $ReleaseDir "version.txt") -Value $AppVersion -Encoding ascii -NoNewline
 
 $ReadmePath = Join-Path $ReleaseDir "README.txt"
 $Readme = @(
@@ -120,4 +143,30 @@ if (-not (Test-Path -LiteralPath $ExePath)) {
     throw "Executable not found: $ExePath"
 }
 
+Compress-Archive -Path (Join-Path $ReleaseDir "*") -DestinationPath $ReleaseZip -Force
+$ReleaseHash = (Get-FileHash -LiteralPath $ReleaseZip -Algorithm SHA256).Hash
+$ReleaseSize = (Get-Item -LiteralPath $ReleaseZip).Length
+if (-not $MinSupported) {
+    $MinSupported = $AppVersion
+}
+$Manifest = [ordered]@{
+    version = $AppVersion
+    url = Join-Url -BaseUrl $ManifestBaseUrl -Name (Split-Path -Leaf $ReleaseZip)
+    sha256 = $ReleaseHash
+    size = $ReleaseSize
+    mandatory = [bool]$Mandatory
+    min_supported = $MinSupported
+    notes = $ReleaseNotes
+}
+$Manifest | ConvertTo-Json | Set-Content -LiteralPath $ManifestPath -Encoding UTF8
+
+if ($PublishDir) {
+    New-Item -ItemType Directory -Force -Path $PublishDir | Out-Null
+    Copy-Item -LiteralPath $ReleaseZip -Destination $PublishDir -Force
+    Copy-Item -LiteralPath $ManifestPath -Destination $PublishDir -Force
+    Write-Host "Published update files to: $PublishDir"
+}
+
 Write-Host "Release created: $ReleaseDir"
+Write-Host "Release zip: $ReleaseZip"
+Write-Host "Manifest: $ManifestPath"