#compdef attr getfattr setfattr xattr

case $service in
  attr)
    local -a list
    [[ $OSTYPE = irix* ]] &&
        list=( '(-g -s -r -V)-l[list extended attributes associated with file]' )
    _arguments -s -S "$list[@]" \
      '(-l -r -s -V)-g[get extended attribute for file]:attribute name' \
      '(-l -g -s -q -V)-r[remove given attribute from file]:attribute name' \
      '(-l -g -r)-s[set named attribute for file]:attribute name' \
      '(-r)-q[quiet output]' \
      '(-g -r)-V[specify value of attribute]:value' \
      '-L[dereference symbolic links]' \
      '-R[operator in the root attribute namespace]' \
      '1:file:_files'
    return
  ;;
  getfattr)
    _arguments -s -S \
      '(-d --dump -n --name)'{-n+,--name=}'[dump the value of the named extended attribute]' \
      '(-n --name -d --dump)'{-d,--dump}'[dump the values of all extended attributes]' \
      '(-e --encoding)'{-e+,--encoding=}'[encode values after retrieving them]:encoding:(text hex base64)' \
      '(-h --no-dereference)'{-h,--no-dereference}"[don't follow symbolic links]" \
      '(-m --match)'{-m+,--match=}'[only include attributes with names matching regex]:regular expression' \
      "--absolute-names[don't strip leading slash characters]" \
      '--only-values[dump only attribute values]' \
      '(-R --recursive)'{-R,--recursive}'[list attributes of all files and directories recursively]' \
      '(-P --physical -L --logical)'{-L,--logical}'[follow all symbolic links]' \
      '(-L --logical -P --physical)'{-P,--physical}'[skip all symbolic links]' \
      '(* -)--version[display version information]' \
      '(* -)--help[display help information]' \
      '*:file:_files'
    return
  ;;
  setfattr)
    _arguments -s -S \
      '(-n --name)'{-n+,--name=}'[specify extended attribute to set]' \
      '(-v --value)'{-v+,--value=}'[specify value for the attribute]' \
      '(-x --remove)'{-x+,--remove=}'[remove specified extended attribute]' \
      '(-n --name -v --value)--restore[restore extended attributes from dump file]:dump file:_files' \
      '(-h --no-dereference)'{-h,--no-dereference}"[don't follow symbolic links]" \
      '(* -)--version[display version information]' \
      '(* -)--help[display help information]' \
      '*:file:_files'
    return
  ;;
  # The Python xattr module ships with a utility called xattr which might appear
  # on some systems; it is not entirely compatible with the Darwin variant, but
  # does seem inspired by it, to the degree that this is probably close enough
  xattr)
    _arguments -s -S -A '-*' : \
      '(: -)'{-h,--help}'[display help information]' \
      '(-c -d -w)-l[display in long format]' \
      '-r[act recursively]' \
      '-s[act on symbolic links]' \
      '(-w)-v[always display file name]' \
      '(-c -d)-x[use hexademical format for value input and output]' \
      '*: :_files' \
      + '(op)' \
      '(-l -x)-c[remove all attributes]' \
      '(-l -x)-d[remove specified attribute]:attribute name' \
      '-p[display value of specified attribute]:attribute name' \
      '(-l -v)-w[set value of specified attribute]:attribute name: :attribute value'
    return
    ;;
esac