# This script expects the projects to already have been converted to the
# Visual Studio 2010 format. If you just run it with no options it will
# recurse from the current directory and find every .csproj it can and
# convert it to .net 4.0.  You can also specify a starting search path 
# (this should be done after the client switch if you use that).

$search_path = "."
$client_profile = [bool] 0

if($args.Length -ge 1)
{
    if(($args[0] -eq "--help") -or
           ($args[0] -eq "-h") -or
           ($args[0] -eq "/?"))
    {
        echo "upgrade_dotnet"
        echo "usage: upgrade_dotnet (--client) (path)"
        $format = @(Expression={$_.Name}; Label="Argument"; width=10),
                  @(Expression={$_.Value}; Label="Description";)
        $arguments = @{"path"="The start of the search path for .csproj files to convert."}
        echo $arguments | Format-Table $format
    }
    else
    {
        $search_path = $args[0]
    }
    
    if($args.Length -ge 2)
    {
        $search_path = $args[1]
    }
}

$projects = ls -recurse -Filter "*.csproj" $search_path
foreach ($p in $projects)
{
    $path = $p.FullName
    $x = [XML](gc $path)
    
    if($x.Project.PropertyGroup[0].TargetFrameworkVersion -eq "v4.0")
    {
        continue
    }
    else
    {
        $x.Project.PropertyGroup[0].TargetFrameworkVersion = "v4.0"
        $x.Save($path)
    }   
}