pretxncommit_messagebox.ps1

[system.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms");

function Get-HgAddedLargeFile
{
	process
	{
		return ForEach-Object {$_.Insert(1,",").Remove(2,1)} `
				| ConvertFrom-Csv -Header Status,Path `
				| Where-Object {$_.Status -ieq "A"} `
				| Get-Item `
				| Where-Object {$_.Length -gt 1MB} 
	}

}

function Show-MessageBox($largeFiles)
{
	$buttons=[system.windows.forms.messageboxbuttons]::YesNo
	$icon =[System.Windows.Forms.MessageBoxIcon]::Warning
	$title = "Some files are to large to comit!"
	[System.Windows.Forms.MessageBox]::Show($largeFiles + "`r`n Commit anyway?","$title",$buttons,$icon)
}

Set-Location (Get-Childitem Env:HG_PENDING).Value

$largeFilesCount = (hg status `
	| Get-HgAddedLargeFile `
	| measure).Count


if ($largeFilesCount -gt 0)
{
	$files = hg status | Get-HgAddedLargeFile | Out-String
	$a = Show-MessageBox($files)
	if ($a -eq "Yes")
	{
		$largeFilesCount = 0
	}
	
}

exit $largeFilesCount