#!/usr/bin/env bash

#
# {{@@ header() @@}}
#

WINHOME="$(echo "$(cmd.exe /C "echo %USERPROFILE%")" | tr -d '\r')"
WINHOMEWSL="$(wslpath ${WINHOME})"

cat <<EOF > "${WINHOMEWSL}/enablewslhypervforwarding.ps1"
#at top of script
if (!
    #current role
    (New-Object Security.Principal.WindowsPrincipal(
        [Security.Principal.WindowsIdentity]::GetCurrent()
    #is admin?
    )).IsInRole(
        [Security.Principal.WindowsBuiltInRole]::Administrator
    )
) {
    #elevate script and exit current non-elevated runtime
    Start-Process \`
        -FilePath 'powershell' \`
        -ArgumentList (
            #flatten to single array
            '-File', \$MyInvocation.MyCommand.Source, \$args \`
            | %{ \$_ }
        ) \`
        -Verb RunAs
    exit
}

Set-NetIPInterface -ifAlias "vEthernet (Default Switch)" -Forwarding Enabled
Set-NetIPInterface -ifAlias "vEthernet (WSL)" -Forwarding Enabled

EOF

powershell.exe -ExecutionPolicy Bypass -File "${WINHOME}\enablewslhypervforwarding.ps1"
sleep 3
powershell.exe -ExecutionPolicy Bypass "Get-NetIPInterface | select ifIndex,InterfaceAlias,AddressFamily,ConnectionState,Forwarding | Sort-Object -Property IfIndex | Format-Table"


rm ${WINHOMEWSL}/enablewslhypervforwarding.ps1