zsh/Completion/Unix/Command/_rsync

#compdef rsync

_rsync_remote_files() {
local suf tag=accounts

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

  compset -P '*::*/'

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

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

    _wanted files expl 'remote files and directories' \
      compadd -d remdispf ${remdispf##* }
      
    _wanted files expl 'remote files and directories' \
      compadd -S/ -d remdispd ${remdispd##* }

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

  compset -P 1 '*::'

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

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

  _describe "remote modules" remmodules -S/

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

  compset -P 1 '*:'

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

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

    _wanted files expl 'remote files and directories' \
      compadd -d remdispf ${${remfiles:#*/}/[*=@|](#e)/}
      
    _wanted files expl 'remote files and directories' \
      compadd -S/ -d remdispd ${${(M)remfiles:#*/}/\\/(#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
	_hosts -S:
   fi

fi

}

_rsync_files() {
_files || _rsync_remote_files
}


_arguments -C -s \
	'*:files:_rsync_files' \
 	'(--verbose)-v[verbose]' \
 	'(-v)--verbose' \
 	'(--quiet)-q[quiet]' \
 	'(-q)--quiet' \
 	'(--checksum)-c[always checksum]' \
 	'(-c)--checksum[always checksum]' \
 	'(--archive)-a[archive mode]' \
 	'(-a)--archive[archive mode]' \
 	'(--recursive)-r[recurse into directories]' \
 	'(-r)--recursive[recurse into directories]' \
 	'(--relative)-R[use relative path names]' \
 	'(-R)--relative[use relative path names]' \
 	'(--backup)-b[make backups]' \
 	'(-b)--backup[make backups]' \
 	'--backup-dir[make backups into this directory]:backup directory:_files -/' \
	'--suffix=[override backup suffix]:suffix:' \
 	'(--update)-u[update only]' \
 	'(-u)--update[update only]' \
 	'(--links)-l[copy symlinks as symlinks]' \
 	'(-l)--links[copy symlinks as symlinks]' \
 	'(--copy-links)-L[copy referent of symlinks]' \
 	'(-L)--copy-links[copy referent of symlinks]' \
 	'--copy-unsafe-links[copy links outside the source tree]' \
 	'--safe-links[ignore links outside the destination tree]' \
 	'(--hard-links)-H[preserve hard links]' \
 	'(-H)--hard-links[preserve hard links]' \
 	'(--perms)-p[preserve permissions]' \
 	'(-p)--perms[preserve permissions]' \
 	'(--owner)-o[preserve owner]' \
 	'(-o)--owner[preserve owner]' \
 	'(--group)-g[preserve group]' \
 	'(-g)--group[preserve group]' \
 	'(--devices)-D[preserve devices]' \
 	'(-D)--devices[preserve devices]' \
 	'(--times)-t[preserve times]' \
 	'(-t)--times[preserve times]' \
 	'(--sparse)-S[handle sparse files efficiently]' \
 	'(-S)--sparse[handle sparse files efficiently]' \
 	'(--dry-run)-n[show what would have been transferred]' \
 	'(-n)--dry-run[show what would have been transferred]' \
 	'(--whole-file)-W[copy whole files]' \
 	'(-W)--whole-file[copy whole files]' \
 	'(--one-file-system)-x[do not cross filesystem boundaries]' \
 	'(-x)-one-file-system[do not cross filesystem boundaries]' \
 	'(--block-size)-B[checksum blocking size]:block size:' \
 	'(-B)--block-size=[checksum blocking size]:block size:' \
 	'(--rsh)-e[rsh command]:remote command:(rsh ssh)' \
 	'(-e)--rsh[rsh command]:remote command:(rsh ssh)' \
	'--rsync-path=[specify path to rsync on the remote machine]:remote command:' \
 	'(--cvs-exclude)-C[autoignore files in the same way as CVS]' \
 	'(-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:' \
	'--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:' \
 	'(--ignore-times)-I[do not exclude files that match length and time]' \
 	'(-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:' \
	'(--temp-dir)-T[create temporary files in specified directory]:directory:_files -/' \
	'(-T)--temp-dir=[create temporary files in specified directory]:directory:_files -/' \
	'--compare-dest=[also compare destination files relative to specified directory]:directory:_files -/' \
	'-P[equivalent to --partial --progress]' \
 	'(--compress)-z[compress file data]' \
 	'(-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]' \
	'--stats[give some file transfer stats]' \
	'--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]' \
 	'(--help)-h[help]' \
 	'(-h)--help[help]' \
 	'-4[prefer IPv4]' \
 	'-6[prefer IPv6]' \
	   -- '*=COMMAND*:command:_command' \
              '*=FILE*:file:_files' \
              '*=DIR*:directory:_files -/'