zsh/Completion/Unix/Command/_rsync

#compdef rsync

_rsync_remote_files() {
local suf tag=accounts

if [[ -prefix *::*/ ]]; then
  local remfiles remdispf remdispd

  compset -P '*::*/'

  remfiles=(${(f)"$(_call_program files rsync ${words[CURRENT]%/*}/)"})

  remdispf=(${remfiles:#d*})
  remdispd=(${(M)remfiles:#d*})

  _wanted files expl 'remote file or directory' \
      compadd -d remdispf ${remdispf##* }

  _wanted files expl 'remote file or directory' \
      compadd -S/ -d remdispd ${remdispd##* }

elif [[ -prefix 1 *:: ]]; then
  local remfiles remmodules

  compset -P 1 '*::'

  remfiles=(${(f)"$(_call_program files rsync ${words[CURRENT]%::*}::)"})

  remmodules=(${remfiles/[ 	]#/:})

  _describe "remote modules" remmodules -S/

elif [[ -prefix 1 *: ]]; then
  local remfiles remdispf remdispd slash

  compset -P 1 '*:'

  if zstyle -T ":completion:${curcontext}:" remote-access; then
    slash=/
    remfiles=(${(f)"$(_call_program files ssh -a -x ${words[CURRENT]%:*} ls -d1F ${${${words[CURRENT
]#*:}:h}/${slash}(#e)/}/\* 2>/dev/null)"})

    remdispf=(${remfiles:#*/})
    remdispd=(${(M)remfiles:#*/})

    _wanted files expl 'remote file or directory' \
        compadd -d remdispf ${${remfiles:#*/}/[*=@|](#e)/}

    _wanted files expl 'remote file or directory' \
        compadd -S/ -d remdispd ${${(M)remfiles:#*/}/${slash}(#e)/}
  else
    _message -e remote-files 'remote files'
  fi

elif [[ -prefix 1 *@ ]]; then
  local user=${PREFIX%%@*}

  compset -P 1 '*@'
  compset -S ':*' || suf=":"

  _wanted -C user-at hosts expl "host for $user" \
      _combination -s '[:@]' "${tag}" users-hosts users="$user" hosts -S "$suf" "$@" -
else
  if compset -S '@*'; then
    _wanted users expl "user" \
	_combination -s '[:@]' "${tag}" users-hosts users -q "$@" -
  else
    _alternative 'users:user:_users -S @' 'hosts:host:_hosts -S:'
  fi
fi

}

_rsync_files() {
  _alternative "files:file:_files" "remote-files:remote file:_rsync_remote_files"
}

_arguments -s \
  '*: :_rsync_files' \
  '*'{-v,--verbose}'[increase verbosity]' \
  '(-q --quiet)'{-q,--quiet}'[show less information during transfer]' \
  '(-c --checksum)'{-c,--checksum}'[always checksum]' \
  '(-a --archive)'{-a,--archive}'[archive mode]' \
  '(-r --recursive)'{-r,--recursive}'[recurse into directories]' \
  '(-E --relative)'{-R,--relative}'[use relative path names]' \
  '(-b --backup)'{-b,--backup}'[make backups]' \
  '--backup-dir[make backups into specified directory]:backup directory:_directories' \
  '--suffix=[override backup suffix]:suffix' \
  '(-u --update)'{-u,--update}'[update only]' \
  '(-l --links)'{-l,--links}'[copy symlinks as symlinks]' \
  '(-L --copy-links)'{-L,--copy-links}'[treat soft links like regular files]' \
  '--copy-unsafe-links[copy links outside the source tree]' \
  '--safe-links[ignore links outside the destination tree]' \
  '(-H --hard-links)'{-H,--hard-links}'[preserve hard links]' \
  '(-p --perms)'{-p,--perms}'[preserve permissions]' \
  '(-o --owner)'{-o,--owner}'[preserve owner]' \
  '(-g --group)'{-g,--group}'[preserve group]' \
  '(-D --devices)'{-D,--devices}'[preserve devices]' \
  '(-t --times)'{-t,--times}'[preserve times]' \
  '(-S --sparse)'{-S,--sparse}'[handle sparse files efficiently]' \
  '(-n --dry-run)'{-n,--dry-run}'[show what would have been transferred]' \
  '(-W --whole-file --no-whole-file)'{-W,--whole-file}'[copy whole files]' \
  '(-W --whole-file)--no-whole-file[always use incremental rsync algorithm]' \
  '(-x --one-file-system)'{-x,--one-file-system}'[do not cross filesystem boundaries]' \
  '(-B --block-size)'{-B,--block-size=}'[checksum blocking size]:block size' \
  '(-e --rsh)'{-e,--rsh}'[rsh command]:remote command:(rsh ssh)' \
  '--rsync-path=[specify path to rsync on the remote machine]:remote command:' \
  '(-C --cvs-exclude)'{-C,--cvs-exclude}'[autoignore files in the same way as CVS]' \
  '--existing[only update files that already exist]' \
  '--ignore-existing[ignore files that already exist on the receiving side]' \
  '--delete[delete files that do not exist on the sending side]' \
  '--delete-excluded[also delete excluded files on the receiving side]' \
  '--delete-after[perform delete after transferring]' \
  '--ignore-errors[delete even if there are IO errors]' \
  '--max-delete=[do not delete more than NUM files]:number:' \
  '(-P)--partial[keep partially transferred files]' \
  '--force[force deletion of directories even if not empty]' \
  '--numeric-ids[do not map uid/gid values by user/group name]' \
  '--timeout=[set IO timeout in seconds]:seconds:' \
  '(-I --ignore-times)'{-I,--ignore-times}'[do not exclude files that match length and time]' \
  '--size-only[only use file size when determining if a file should be transferred]' \
  '--modify-window=[timestamp window for file match]:seconds:' \
  '(-T --temp-dir)'{-T,--temp-dir=}'[create temporary files in specified directory]:directory:_files -/' \
  '--compare-dest=[also compare destination files relative to specified directory]:directory:_files -/' \
  '(--partial --progress)-P[equivalent to --partial --progress]' \
  '(-z --compress)'{-z,--compress}'[compress file data]' \
  '--exclude=[exclude files matching pattern]:pattern:' \
  '--exclude-from=[exclude patterns listed in file]:file:_files' \
  '--include=[do not exclude files matching pattern]:pattern:' \
  '--include-from=[do not exclude patterns listed in file]:file:_files' \
  '--version[print version number]' \
  '--daemon[run as a rsync daemon]' \
  '--no-detach[do not detach from the parent]' \
  '--address=[bind to the specified address]:address:_hosts' \
  '--config=[specify alternate rsyncd.conf file]:file:_files' \
  '--port=[specify alternate rsyncd port number]:port:' \
  '--blocking-io[use blocking IO for the remote shell]' \
  '--no-blocking-io[turn off blocking IO when it is the default]' \
  '--stats[give some file transfer stats]' \
  '(-P)--progress[show progress during transfer]' \
  '--log-format=[log file transfers using specified format]:format:' \
  '--password-file=[get password from file]:file:_files' \
  '--bwlimit=[limit bandwidth]:kbytes per second:' \
  '--read-batch=[read batch file]:ext:' \
  '--write-batch[write batch file]' \
  '(-)'{-h,--help}'[display help information]' \
  '-4[prefer IPv4]' \
  '-6[prefer IPv6]' \
     -- '*=COMMAND*:command:_command' \
	'*=FILE*:file:_files' \
	'*=DIR*:directory:_files -/'