#!/usr/bin/env bash
set -Eeuo pipefail

SERVER="buntes-monster"
SERVER_IP="192.168.0.4"

MOUNTS=(
  "/mnt/anbau:/mnt/anbau"
  "/mnt/bilder:/mnt/bilder"
)

# Re-run as root when needed.
if [[ "${EUID}" -ne 0 ]]; then
  exec sudo "$0" "$@"
fi

# Preserve ownership for the user who invoked sudo.
OWNER="${SUDO_USER:-${USER}}"
OWNER_UID="$(id -u "$OWNER")"
OWNER_GID="$(id -g "$OWNER")"

for entry in "${MOUNTS[@]}"; do
  IFS=":" read -r remote_path local_path <<< "$entry"

  # Create the mount point if necessary and give it to the invoking user.
  install -d \
    -o "$OWNER_UID" \
    -g "$OWNER_GID" \
    -m 0755 \
    "$local_path"

  # Do not remount an already-mounted location.
  if mountpoint -q "$local_path"; then
    echo "Already mounted: $local_path"
    continue
  fi

  echo "Mounting $SERVER:$remote_path at $local_path..."

  mount \
    -t nfs \
    -o rw,sync,addr="$SERVER_IP" \
    "$SERVER:$remote_path" \
    "$local_path"

  echo "Mounted: $local_path"
done