hacks/bin/setup-osx-ramdisk

#!/bin/bash
# from https://schof.org/2014/01/10/putting-my-virtualbox-vagrant-virtual-machines-on-a-ramdisk
# Set up RAM disk for VirtualBox Images
SIZE_IN_GB=14
SIZE_IN_SECTORS=`echo "$SIZE_IN_GB*1024^3/512" | bc`
if [ -d /Volumes/RAMDISK ]; then
    echo "RAMDISK for VirtualBox images already exists. Doing nothing."
else
    echo "Ramdisk does not exist."
    echo "Creating ramdisk."
    diskutil erasevolume HFS+ "RAMDISK" `hdiutil attach -nomount ram://$SIZE_IN_SECTORS`
fi