inject custom certificate to docker-for-mac beta (1.12.0-rc4-beta20 build:10404)

add-custom-certificate.sh

#!/bin/bash

if [ "$#" -ne 2 ] || ! [ -d "$1" ]; then
  echo "Usage: $0 /Path/To/Certificate CERT_NAME" >&2
  exit 1
fi

# This assumes the cert is in the same directory as the script
source="$( cd $1 && pwd )"
# ca-certificate of the VM
destination=/etc/ssl/certs/ca-certificates.crt

# Send a new line to wake it up, then login as root with a blank password
cat <<HERE > ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty

root

HERE

# Give it a second to get logged in, copy the cert and log back out
cat <<HERE > ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty
mkdir -p $destination
cat $source/$2 >> $destination
service docker restart
exit

HERE