PowerShell prompt to emulate Git-Bash prompt.

ps_git_prompt.ps1

function prompt {
    $NearestGitRepo = $null
    $Folder = $pwd.Path
    do{
        if(Test-Path $Folder\.git){
            $NearestGitRepo = $Folder
        }
        $Folder = Split-Path $Folder
    }until($NearestGitRepo -or $Folder -eq '')

    if ($NearestGitRepo) {
        $GitUser = "$env:USERNAME@$env:COMPUTERNAME  "
        $GitConsole = "PS_$([regex]::Matches($host.Name,'[A-Z]').value -join '')  "
        $GitPath = "/$Pwd " -replace ':' -replace '\\', '/'
        $GitBranch = "($((get-content "$NearestGitRepo\.git\head").split('/')[-1]))"
        Write-Host $GitUser -ForegroundColor Green -NoNewline
        Write-Host $GitConsole -ForegroundColor Magenta -NoNewline
        Write-Host $GitPath -ForegroundColor Yellow -NoNewline
        Write-Host $GitBranch -ForegroundColor Cyan
        '$ '
    }
    else {

        $host.UI.RawUI.WindowTitle = "TAB '$($psise.CurrentPowerShellTab.DisplayName)' Location --> $(Get-Location)"
        $splitpath = $pwd.path.Split('\')
        if ($splitpath.count -le 2) {
            "PS $pwd>"
        }
        else {
            "PS $($pwd.path.split('\')[0])\...\$($pwd.path.split('\')[-1])>"
        }
    }
}