param(
    [ValidateSet('List','Update','Auto','All')]
    [string]$Mode = 'List'
)

$script:aptCli = "echo 'not defined'"
switch( $Mode ){
    'List'   { }
    'Auto'   { $aptCli = "sudo apt-get update && sudo apt-get upgrade --auto-remove --assume-yes" }
    default  { $aptCli = "sudo apt-get update && sudo apt-get upgrade --auto-remove " }
}

& sh "-c" "$aptCli" -replace '#args',"$args"