name: backup
help: backup/mirror a directory using rdiff or rsync
version: 0.1.0

environment_variables:
- name: BACKUP_EXCLUDE
  help: path to file of excludes
- name: BACKUP_INCLUDE
  help: path to directory of includes

args:
- name: source
  # required: 1
  help: source directory to be backed up, default is $PWD
- name: target
  help: "target directory for backup"

flags:
- long: --host
  short: -h
  arg: thost
  help: host on remote to target to receive backup 
- long: --shost
  arg: shost
  help: remote to host of source 
- long: --user
  short: -u
  arg: tuser
  help: user on remote host 
- long: --suser
  arg: suser
  help: remote user on source host
- long: --sshcfg
  arg: sshcfg
  help: path to sshcfg file
- long: --options
  short : -o
  arg: options
  help: rdiff options 
- long: --include_file
  short : -i
  arg: options
  help: rdiff options 
- long: --exclude_file
  short : -e
  arg: options
  help: rdiff options 
- long: --mirror  
  short: -m
  help: make a mirror copy instead of a differential snapshot 
- long: --sudo  
  short: -s
  help: run the backup as sudo   
- long: --no-dir  
  short: -n
  help: don't make a directory of same name within the target, merge sub directories 

examples:
-  backup -m -n -h thost --shost shost -u tuser --suser suser . /target/dir