Microsoft.PowerShell_profile.ps1

# http://serverfault.com/questions/95431
function Test-Administrator {
    $user = [Security.Principal.WindowsIdentity]::GetCurrent();
    (New-Object Security.Principal.WindowsPrincipal $user).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
}

function prompt {
    # https://github.com/dahlbyk/posh-git/wiki/Customizing-Your-PowerShell-Prompt
    $origLastExitCode = $LastExitCode
    Write-VcsStatus

    if (Test-Administrator) {  # if elevated
        Write-Host "(Elevated) " -NoNewline -ForegroundColor White
    }

    Write-Host "$env:USERNAME@" -NoNewline -ForegroundColor DarkYellow
    Write-Host "$env:COMPUTERNAME" -NoNewline -ForegroundColor Magenta
    Write-Host ": " -NoNewline -ForegroundColor DarkGray

    $curPath = $ExecutionContext.SessionState.Path.CurrentLocation.Path
    if ($curPath.ToLower().StartsWith($Home.ToLower()))
    {
        $curPath = "~" + $curPath.SubString($Home.Length)
    }

    Write-Host $curPath -NoNewline -ForegroundColor Green

    $LastExitCode = $origLastExitCode
    "`n$('>' * ($nestedPromptLevel + 1)) "
}

Import-Module PSReadLine

Set-PSReadLineOption -HistoryNoDuplicates
Set-PSReadLineOption -HistorySearchCursorMovesToEnd
Set-PSReadLineOption -HistorySaveStyle SaveIncrementally
Set-PSReadLineOption -MaximumHistoryCount 4000
# history substring search
Set-PSReadlineKeyHandler -Key UpArrow -Function HistorySearchBackward
Set-PSReadlineKeyHandler -Key DownArrow -Function HistorySearchForward

# Tab completion
Set-PSReadlineKeyHandler -Chord 'Shift+Tab' -Function Complete
Set-PSReadlineKeyHandler -Key Tab -Function MenuComplete

Import-Module Get-ChildItemColor

Set-Alias l Get-ChildItemColor -option AllScope
Set-Alias ls Get-ChildItemColorFormatWide -option AllScope

Import-Module posh-git

$global:GitPromptSettings.BeforeText = '['
$global:GitPromptSettings.AfterText  = '] '

# Update path for SSH (Loaded in PowerShell Profile)
$env:path += ";" + (Get-Item "Env:ProgramFiles").Value + "\Git\bin"
$env:path += ";" + (Get-Item "Env:ProgramFiles").Value + "\Git\usr\bin"

# Load SSH agent utils
. (Resolve-Path ~/Documents/WindowsPowershell/ssh-agent-utils.ps1)

Pop-Location

Add-SshKey