chore: Add automated do-release script to build files for github release

.gitignore

@@ -11,3 +11,5 @@ obj/
 *.user
 
 launchsettings.json
+
+artifacts/

Cpp2IL.sln

@@ -19,6 +19,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		LibCpp2Il\README.md = LibCpp2Il\README.md
 		Cpp2IL.Core\README_CORE.md = Cpp2IL.Core\README_CORE.md
 		global.json = global.json
+		do-release.ps1 = do-release.ps1
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LibCpp2ILTests", "LibCpp2ILTests\LibCpp2ILTests.csproj", "{EB3CFC80-2125-48D2-AA2F-548F5AA58342}"

do-release.ps1

@@ -0,0 +1,101 @@
+param (
+    [switch]$help,
+    [string]$version
+)
+
+$ErrorActionPreference = "Stop"
+
+if ($help) {
+    Write-Host "Usage: do-release.ps1 [-help] [-version <version>]"
+    Write-Host "  -help: Display this help message"
+    Write-Host "  -version: The version to build"
+    exit
+}
+
+if (-not $version) {
+    Write-Host "You must specify a version to build"
+    exit
+}
+
+Write-Host "===CPP2IL RELEASE SCRIPT==="
+
+$ProjectRoot = Split-Path -Parent $MyInvocation.MyCommand.Path
+$MainCommandLineAppDir = Join-Path $ProjectRoot "Cpp2IL"
+$ArtifactsDir = Join-Path $ProjectRoot "artifacts"
+$BuildDir = Join-Path $MainCommandLineAppDir "bin"
+$ReleaseBuildDir = Join-Path $BuildDir "release"
+
+Write-Host "Cleaning up old build and artifacts directories"
+if(Test-Path $ReleaseBuildDir)
+{
+    Remove-Item -Recurse -Force $ReleaseBuildDir
+}
+
+if(Test-Path $ArtifactsDir)
+{
+    Remove-Item -Recurse -Force $ArtifactsDir
+}
+
+cd $MainCommandLineAppDir
+
+$baseVersion = (Select-Xml -XPath "//Project/PropertyGroup/VersionPrefix" -Path ".\Cpp2IL.csproj").Node.InnerText
+$fullVersionString = "$baseVersion-$version"
+Write-Host "Building Cpp2IL release version $fullVersionString"
+
+Write-Host "    Building Cpp2IL - Windows, Standalone .NET"
+
+$null = dotnet publish -c Release -f "net7.0" -r "win-x64" /p:VersionSuffix=$version /p:PublishSingleFile=true --self-contained
+
+Write-Host "    Building Cpp2IL - Linux, Standalone .NET"
+
+$null = dotnet publish -c Release -f "net7.0" -r "linux-x64" /p:VersionSuffix=$version /p:PublishSingleFile=true --self-contained
+
+Write-Host "    Building Cpp2IL - MacOS, Standalone .NET"
+
+$null = dotnet publish -c Release -f "net7.0" -r "osx-x64" /p:VersionSuffix=$version /p:PublishSingleFile=true --self-contained
+
+Write-Host "    Building Cpp2IL - Windows, .NET Framework"
+
+$null = dotnet publish -c Release -f "net472" -r "win-x64" /p:VersionSuffix=$version
+
+function CopyAndRename($rid, $platform, $releasePlatformString, $extension)
+{
+    $ridDir = Join-Path $ReleaseBuildDir $rid
+    $platformDir = Join-Path $ridDir $platform
+    $publishDir = Join-Path $platformDir "publish"
+    $file = Join-Path $publishDir "Cpp2IL$extension"
+
+    if(Test-Path $file)
+    {
+        # Cpp2IL-2022.1.0.pre-release-17-Windows.exe
+        $destFileName = "Cpp2IL-$fullVersionString-$releasePlatformString$extension"
+        Write-Host "    Copying $destFileName..."
+        $newFile = Join-Path $ArtifactsDir $destFileName 
+        Copy-Item $file $newFile
+    }
+}
+
+function ZipAndRename($rid, $platform, $releasePlatformString, $extension)
+{
+    $ridDir = Join-Path $ReleaseBuildDir $rid
+    $platformDir = Join-Path $ridDir $platform
+    $publishDir = Join-Path $platformDir "publish"
+
+    # Zip all files in the publish directory
+    $zipFileName = "Cpp2IL-$fullVersionString-$releasePlatformString.zip"
+    Write-Host "    Zipping $zipFileName..."
+    $zipFile = Join-Path $ArtifactsDir $zipFileName
+    $null = Compress-Archive -Path $publishDir\* -DestinationPath $zipFile
+}
+
+Write-Host "Moving files to artifacts directory"
+
+$null = New-Item -ItemType Directory -Force -Path $ArtifactsDir
+
+CopyAndRename "net7.0" "win-x64" "Windows" ".exe"
+CopyAndRename "net7.0" "linux-x64" "Linux" ""
+CopyAndRename "net7.0" "osx-x64" "OSX" ""
+ZipAndRename "net472" "win-x64" "Windows-Netframework472" ".exe"
+
+Write-Host "Done!"
+Set-Location $ProjectRoot