Vagrant-AddTrustedRootCA.ps1

param(
  [string] $certName
)

# get the directory that vagrant is installed in
$bin = Split-Path (Get-Command vagrant).Path

# get the embedded folder that contains ruby and curl
$embedded = (Resolve-Path (Join-Path $bin '..\embedded')).ProviderPath

# get the cacert.pem file that is used when vagrant curls urls
$cacert = "$embedded\cacert.pem"

# get the ruby gems ssl_cert directory
$ssl_certs = "$embedded\lib\ruby\2.0.0\rubygems\ssl_certs"

# get the root certificate
$cert = dir Cert:\LocalMachine\ca |? { $_.Subject -match "CN=$certName," } | select -First 1 
$cer = "-----BEGIN CERTIFICATE-----`n$([Convert]::ToBase64String($cert.RawData, 'InsertLineBreaks'))`n-----END CERTIFICATE-----" 

# update certificate stores used by vagrant
"`n$certName`n===========`n$cer" | Out-File $cacert -Append -Encoding ascii
$cer | Out-File "$ssl_certs\Mary-Kay-CA.pem" -Encoding ascii