Open "Package Manager Console" and execute this to show the full solution name and git branch on the main window title

ShowBranchOnMainWindowTitle.ps1

$output = git status

$branchbits = $output[0].Split(' ')
$branch = $branchbits[$branchbits.length - 1]

$signature = @"
[DllImport("user32.dll")]
public static extern bool SetWindowText(IntPtr hWnd, string lpString);
"@

$setWindowText = Add-Type -memberDefinition $signature -name "Win32SetWindowText" -namespace Win32Functions -passThru
$setWindowText::SetWindowText($dte.MainWindow.HWnd, $dte.Solution.FullName + " - " + $branch + " - " + "Visual Studio 2010")