gentoo rsync full drive migration

migrate

#!/usr/bin/env zsh
# Authors: alem0lars, LMolr

# parse arguments {{{

zparseopts -A _opts -user: -dstsrv: -dstpath:

if [[ $? -ne 0 ]]; then
  echo 'invalid arguments'
  exit -1
fi

_with_user=$([ -z "${(k)_opts[--user]}" ] && echo 0 || echo 1)
_user=${(v)_opts[--user]}
if [[ ${_with_user} -eq 0 ]]; then
  echo 'you must provide a user'
  exit -2
fi

_with_dst_server=$([ -z "${(k)_opts[--dstsrv]}" ] && echo 0 || echo 1)
_dst_server=${(v)_opts[--dstsrv]}
if [[ ${_with_dst_server} -eq 0 ]]; then
  echo 'you must provide a destination server'
  exit -3
fi

_with_dst_path=$([ ! -d "${(k)_opts[--dstpath]}" ] && echo 0 || echo 1)
_dst_path=${(v)_opts[--dstpath]}
if [[ ${_with_dst_path} -eq 0 ]]; then
  echo 'you must provide a valid destination directory'
  exit -4
fi

# }}}


# perform rsync {{{

rsync \
  --archive \
  --acls --executability --hard-links --xattrs --numeric-ids \
  --devices --specials \
  \
  --partial \
  --delete-delay --delete-excluded \
  \
  --compress \
  --sparse \
  \
  --human-readable --progress --verbose \
  \
  "/" "${_user}@${_dst_server}:${_dst_path}" \
  --exclude={"/dev/**","/proc/**","/sys/**","/tmp/**","/run/**","/mnt/**","/media/**","**/lost+found/**","/var/tmp/**"}

# }}}