# This script recurses from the given directory to find all 
# .sln files and upgrade them to VS 2013.

$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 "*.sln" $search_path
foreach ($p in $projects)
{
    $path = $p.FullName
	
	(Get-Content $path) | 
	Foreach-Object {$_ -replace "Microsoft Visual Studio Solution File, Format Version 11.00", "Microsoft Visual Studio Solution File, Format Version 12.00"} |
	Set-Content $path
	
	(Get-Content $path) | 
	Foreach-Object {$_ -replace "# Visual Studio 2010", "# Visual Studio 2013`nVisualStudioVersion = 12.0.21005.1`nMinimumVisualStudioVersion = 10.0.40219.1"} |
	Set-Content $path
}