# GNU Guix --- Functional package management for GNU
# Copyright © 2013, 2014, 2016 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
#
# This file is part of GNU Guix.
#
# GNU Guix is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# GNU Guix is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

#
# Test the `guix hash' command-line utility.
#

guix hash --version

tmpdir="guix-hash-$$"
trap 'rm -rf "$tmpdir"' EXIT

test `guix hash /dev/null` = 0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
test `echo -n | guix hash -` = 0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
test `guix hash -f nix-base32 /dev/null` = 0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
test `guix hash -f hex /dev/null` = e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
test `guix hash -f base32 /dev/null` = 4oymiquy7qobjgx36tejs35zeqt24qpemsnzgtfeswmrw6csxbkq

mkdir "$tmpdir"
echo -n executable > "$tmpdir/exe"
chmod +x "$tmpdir/exe"
( cd "$tmpdir" ; ln -s exe symlink )
mkdir "$tmpdir/subdir"

test `guix hash -r "$tmpdir"` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p

# Without '-r', this should fail.
if guix hash "$tmpdir"
then false; else true; fi

# This should fail because /dev/null is a character device, which
# the archive format doesn't support.
if guix hash -r /dev/null
then false; else true; fi

# Adding a .git directory
mkdir "$tmpdir/.git"
touch "$tmpdir/.git/foo"

# ...changes the hash
test `guix hash -r $tmpdir` = 0a50z04zyzf7pidwxv0nwbj82pgzbrhdy9562kncnvkcfvb48m59

# ...but remains the same when using `-x'
test `guix hash -r $tmpdir -x` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p

# Without '-r', this should fail.
if guix hash "$tmpdir"
then false; else true; fi

<a href='/guix/log/HACKING?id=87af8642a820342fcb77eb6ad6d0ae80781be885&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-10-23 12:57:20 -0400'>2020-10-23</span></td><td><a href='/guix/commit/HACKING?id=73faee9fb25465f1b236f5f94e1052145655736f'>doc: Fix typo in HACKING.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-01-09 23:33:04 +0100'>2020-01-09</span></td><td><a href='/guix/commit/HACKING?id=2d315cd428484537e763d7f7c676dc5fff7995f6'>doc: Move "Commit Access" section from 'HACKING' to the manual.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-09 23:33:04 +0100'>2020-01-09</span></td><td><a href='/guix/commit/HACKING?id=a7bde77d247ed0765f5378779d67b4668c5d7648'>doc: Add "Tracking Bugs and Patches" section.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-07-13 14:25:19 -0400'>2019-07-13</span></td><td><a href='/guix/commit/HACKING?id=06e1ecbf17fee7fe513ad2808d8175fb3565ae3e'>doc: Update keyserver URL.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2019-02-11 23:23:27 +0100'>2019-02-11</span></td><td><a href='/guix/commit/HACKING?id=6701edbfad62ba9572ffd35497df3db27b208ba5'>HACKING: Update key server.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-22 17:00:47 +0200'>2018-07-22</span></td><td><a href='/guix/commit/HACKING?id=5285192150c83db12136af6a123e03bb9b9dbe5f'>doc: Fix typo (missing period)</a><span class='msg-avail'>...</span></td><td>Pierre Neidhardt</td></tr>
<tr><td><span title='2017-08-19 13:42:52 +0530'>2017-08-19</span></td><td><a href='/guix/commit/HACKING?id=acabbd597678e1f0be995297bb009b6dd38ae795'>doc: Mention how to use emacs-debbugs.</a><span class='msg-avail'>...</span></td><td>Arun Isaac</td></tr>
<tr><td><span title='2017-03-27 00:13:18 +0200'>2017-03-27</span></td><td><a href='/guix/commit/HACKING?id=2fccc0d193497eb2ee3127270dea12be103f1bc2'>maint: Give command to install the pre-push hook.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-03-24 13:56:38 +0100'>2017-03-24</span></td><td><a href='/guix/commit/HACKING?id=ee7c21c7044355fc4c6bbe0906f061f6fbdfb79e'>maint: Mention the Signed-off-by line in 'HACKING'.</a><span class='msg-avail'>...</span></td><td>Clément Lassieur</td></tr>
<tr><td><span title='2017-03-15 15:19:53 +0100'>2017-03-15</span></td><td><a href='/guix/commit/HACKING?id=bc551cf32b6ccb3f8dd60b1d0d4e3c3e88cb1f8d'>maint: Mention guix-patches@gnu.org in 'HACKING'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-01-30 13:20:13 +0100'>2017-01-30</span></td><td><a href='/guix/commit/HACKING?id=8efc35a8902910ef7c09183c1d79d51498b2c10c'>maint: Fix invalid calls to 'info'.</a><span class='msg-avail'>...</span></td><td>Mathieu Lirzin</td></tr>
<tr><td><span title='2017-01-04 16:27:20 -0500'>2017-01-04</span></td><td><a href='/guix/commit/HACKING?id=69355e1283d300a663fb639ec426f10f3feb404b'>doc: Add a Git hook that verifies signatures before pushing.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2016-07-24 19:54:15 +0200'>2016-07-24</span></td><td><a href='/guix/commit/HACKING?id=20e29643449adbb9658c0d3bec9c8b117697fe41'>doc: Explain how to set up Git for signing.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-07-14 15:37:51 -0400'>2016-07-14</span></td><td><a href='/guix/commit/HACKING?id=a16db014d10659051037eb76a0424b46e94f2f2d'>doc: Mention commit signatures in HACKING.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>