#!/bin/sh
set -e

REMOTE_HOST=backup
REMOTE_USER=$USER

# Check if directory parameter is provided.
if [ $# -ne 1 ]; then
  echo "usage: $0 <dir>"
  exit 1
fi

# Check if the provided path exists and is a directory.
if [ ! -d "$1" ]; then
  echo "Error: '$1' is not a directory or does not exist"
fi

# Enter directory to upload.
cd "$1" && shift
# Get absolute path.
DIR=$(pwd)
# Get the relative path from current directory.
REMOTE_DIR=$(echo "$DIR" | sed "s#^$HOME/##")

echo "$DIR -> ${REMOTE_USER}@${REMOTE_HOST}:$REMOTE_DIR"
exec rsync -avz -R --mkpath --info=progress2 \
  --filter=':- .gitignore' "$@" \
  . "${REMOTE_USER}@${REMOTE_HOST}:$REMOTE_DIR/"