#!/bin/bash
#
## Init macOS env

# Update PATH
for p in /usr/local/{,opt/{e2fsprogs,ruby,util-linux}/}{bin,sbin}; do
  PATH="${p}:${PATH}"
done

# Create and mount RAMDisk
if ! [[ -d /Volumes/RAM_Disk ]]; then
  echo "Creating RAM Disk..."
  RAM_DEV="$(hdiutil attach -nomount ram://524288)"
  diskutil quiet erasevolume HFS+ RAM_Disk ${RAM_DEV}
  diskutil unmount ${RAM_DEV}
  mkdir /Volumes/RAM_Disk
  mount -t hfs -o owners ${RAM_DEV} /Volumes/RAM_Disk
fi
cd /Volumes/RAM_Disk

# Stay awake
echo "Getting caffeinated..."
caffeinate -id &

# Set time
if ! [[ -e /Volumes/RAM_Disk/.time_set ]]; then
  echo "Updating clock..."
  if ! sntp -Ss us.pool.ntp.org >/dev/null 2>&1; then
    # Assuming we're running under an older version of macOS
    sntp -s us.pool.ntp.org >/dev/null 2>&1
  fi
  touch /Volumes/RAM_Disk/.time_set
fi

# Run cmd
"$1"