#!/bin/bash

### E x a m p l e
#     -S cvtt@cloud23.cvtt.vpn:/works/docker/infisical/backup/
#     -T /backup/cloud23/infisical/
#     -e "--remove-source-files"

usage() {
  echo "Usage: $0 -S <source> -T  <target_dir> [-e <extra rsync args>]"
  exit 1
}

# ---------------- Default
AddRsyncArgs=

# ---------------- cmdline
while getopts "S:T:e:" opt; do
  case ${opt} in
    S )
      Source=$OPTARG
      ;;
    T )
      TargetDir=$OPTARG
      ;;
    e )
      AddRsyncArgs=$OPTARG
      ;;
    \? )
      echo "Invalid option: -$OPTARG" >&2
      usage
      ;;
    : )
      echo "Option -$OPTARG requires an argument." >&2
      usage
      ;;
  esac
done
# ---------------- cmdline

if [ "${Source}" == "" ]
then
    usage
fi

if [ "${TargetDir}" == "" ]
then
    usage
fi

Cmd="mkdir -p ${TargetDir}"
echo ${Cmd} && eval ${Cmd} || exit

Cmd="rsync"
Cmd+=" -ahv"
Cmd+=" -e 'ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null'"
Cmd+=" ${AddRsyncArgs}"
Cmd+=" ${Source}"
Cmd+=" ${TargetDir}"
echo ${Cmd}
eval ${Cmd}