WIP. Quick hack for migrating csproj to xproj

dnx-migrate.ps1

param(
    [string]$solution = ".\*.sln"
)

function Get-XprojContent
{
    param(
        [Guid]$guid = [Guid]::NewGuid()
    )
[xml]@"
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
    <PropertyGroup>
        <VisualStudioVersion Condition="'`$(VisualStudioVersion)' == ''">14.0</VisualStudioVersion>
        <VSToolsPath Condition="'`$(VSToolsPath)' == ''">`$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v`$(VisualStudioVersion)</VSToolsPath>
    </PropertyGroup>
    <Import Project="`$(VSToolsPath)\DNX\Microsoft.DNX.Props" Condition="'`$(VSToolsPath)' != ''" />
    <PropertyGroup Label="Globals">
        <ProjectGuid>$($guid)</ProjectGuid>
        <RootNamespace></RootNamespace>
        <BaseIntermediateOutputPath Condition="'`$(BaseIntermediateOutputPath)'=='' ">..\artifacts\obj\`$(MSBuildProjectName)</BaseIntermediateOutputPath>
        <OutputPath Condition="'`$(OutputPath)'=='' ">..\artifacts\bin\`$(MSBuildProjectName)\</OutputPath>
    </PropertyGroup>
    <PropertyGroup>
        <SchemaVersion>2.0</SchemaVersion>
    </PropertyGroup>
    <Import Project="`$(VSToolsPath)\DNX\Microsoft.DNX.targets" Condition="'`$(VSToolsPath)' != ''" />
</Project>
"@
}

function Get-ProjectJsonContent
{
@"
{
  "version": "1.0.0-*",
  "description": "",
  "authors": [ "" ],
  "tags": [ "" ],
  "projectUrl": "",
  "licenseUrl": "",

  "frameworks": {
    "net451": { },
    "dotnet5.4": {
      "dependencies": { }
    }
  }
}
"@ | ConvertFrom-Json
}

function Get-GlobalJsonContent
{
@"
{
  "projects": [ "" ],
  "sdk": {
    "version": "1.0.0-rc1-final"
  }
}
"@ | ConvertFrom-Json
}

$solutionFile = Get-Item $solution

if($solutionFile -eq $null)
{
    Write-Error $("Could not find file " + $solution)
    Exit
}

$solutionDir = Split-Path $solutionFile

$dnxSolution = New-Object PSObject -Property @{
    Path = $($solutionDir + "\" + $solutionFile.Basename + ".Dnx.sln")
    Content = $(Get-Content $solutionFile.FullName)
}

$globalJson = New-Object PSObject -Property @{
    Path = $($solutionDir + "\global.json")
    Content = Get-GlobalJsonContent
}

Get-Content $solutionFile.FullName | Select-String 'Project\(' | % {
    $projectParts = $_ -Split '[,=]' | ForEach-Object { $_.Trim('[ "{}]') };
        $project = New-Object PSObject -Property @{
            Name = $projectParts[1]
            File = $projectParts[2]
            Guid = $projectParts[3]
        }

    if($project.File -match "csproj$")
    {
        Write-Host $("Migrating " + $project.Name)

        $csproj = (Get-Item ($solutionDir + "\" + $project.File))

        $xproj = New-Object PSObject -Property @{
            Path = $((Split-Path $csproj) + "\" + $csproj.Basename + ".xproj")
            Content = Get-XprojContent
        }

        $projectJson = New-Object PSObject -Property @{
            Path = $((Split-Path $csproj) + "\project.json")
            Content = Get-ProjectJsonContent
        }

        $xproj.Content.Save($xproj.Path)
        $projectJson.Content | ConvertTo-Json -depth 999 | Out-File -Encoding "UTF8" $projectJson.Path

        $dnxSolution.Content = $dnxSolution.Content |
            % { $_ -replace $project.Guid, ($xproj.Content.Project.PropertyGroup | ? { $_.Label -eq "Globals"} | Select-Object -First 1).ProjectGuid.ToUpper() }
    }
}

$dnxSolution.Content = $dnxSolution.Content.Replace("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}","{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}")
$dnxSolution.Content = $dnxSolution.Content.Replace(".csproj",".xproj")

$globalJson.Content | ConvertTo-Json -depth 999 | Out-File -Encoding "UTF8" $globalJson.Path
$dnxSolution.Content | Out-File -Encoding "UTF8" $dnxSolution.Path