#compdef scrub
# ------------------------------------------------------------------------------
# Copyright (c) 2016 Github zsh-users - http://github.com/zsh-users
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the zsh-users nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL ZSH-USERS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# ------------------------------------------------------------------------------
# Description
# -----------
#
#  Completion script for scrub an utility which iteratively writes patterns on files or disk devices to make retrieving the data more difficult. (http://linux.die.net/man/1/scrub).
#
# ------------------------------------------------------------------------------
# Authors
# -------
#
#  * Jindřich Pilař (https://github.com/JindrichPilar)
#
# ------------------------------------------------------------------------------


_scrub() {

local patterns
patterns="nnsa dod bsi gutmann schneier pfitzner7 pfitzner33 usarmy fillzero fillff random random2 old fastold"

_arguments -C \
   "(- 1 *)"{-v,--version}"[Print scrub version and exit.]" \
   {-r,--remove}"[Remove the file after scrubbing.]" \
   {-p,--pattern}"[Select  the  patterns to write.]:pattern:($patterns)" \
   {-b,--blocksize}"[Perform read and write calls using the specified blocksize (in bytes).]:block size:" \
   {-f,--force}"[Scrub even if target contains signature indicating it has already been scrubbed.]" \
   {-S,--no-signature}"[Do not write scrub signature.]" \
   {-X,--freespace}"[Create  specified directory and fill it with files until write returns ENOSPC (file sys‐tem full), then scrub the files as usual.]:directory name:" \
   {-D,--dirent}"[After scrubbing the file, scrub its name in the directory entry, then rename it  to  the new name.]:new name:" \
   {-s,--device-size}"[Override the device size (in bytes).]:size:" \
   {-L,--no-link}"[If file is a symbolic link, do not scrub the link target.]" \
   {-R,--no-hwrand}"[Don't use a hardware random number generator even if one is available.]" \
   {-t,--no-threads}"[Don't generate random data in parallel with I/O.]" \
   {-n,--dry-run}"[Do everything but write to targets.]" \
   {-h,--help}"[Print a summary of command line options on stderr.]" \
   '*:files:_files' \
}

_scrub