# GNU Guix --- Functional package management for GNU
# Copyright © 2013, 2014, 2016, 2020, 2021 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
test `guix hash -H sha512 -f hex /dev/null` = cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
test `guix hash -H sha1 -f base64 /dev/null` = "2jmj7l5rSw0yVb/vlWAYkK/YBwk="

# Several files.
test "`guix hash /dev/null "$abs_top_srcdir/README"`" = "`guix hash /dev/null ; guix hash "$abs_top_srcdir/README"`"

# Zero files.
guix hash && false

# idem as `cat /dev/null | git hash-object --stdin`
test `guix hash -S git -H sha1 -f hex  /dev/null` = e69de29bb2d1d6434b8b29ae775ad8c2e48c5391

guix hash -H abcd1234 /dev/null && false

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

test `guix hash -S nar "$tmpdir"` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -S nar "$tmpdir" -H sha512` = 301ra58c2vahczzxiyfin41mpyb0ljh4dh9zn3ijvwviaw1j40sfzw5skh9x945da88n3785ggifzig7acd6k72h0mpsc20m1f66m9n
test `guix hash -S git "$tmpdir"` = 1m9yxz99g7askm88h6hzyv4g2bfv57rp5wvwp3iq5ypsplq1xkkk
test `guix hash -S git "$tmpdir" -H sha512` = 158b10d1bsdk4pm8ym9cg9ckfak1b0cgpw7365cl6s341ir380mh2f4ylicyh8khyrfnwq5cn9766d7m8fbfwwl94ndkv456v6a8knr

# Deprecated --recursive option
test `guix hash -r "$tmpdir" 2>/dev/null` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -r "$tmpdir" -H sha512 2>/dev/null` = 301ra58c2vahczzxiyfin41mpyb0ljh4dh9zn3ijvwviaw1j40sfzw5skh9x945da88n3785ggifzig7acd6k72h0mpsc20m1f66m9n

# Without '-r', this should fail.
guix hash "$tmpdir" && false

# This should fail because /dev/null is a character device, which
# the archive format doesn't support.
guix hash -S nar /dev/null && false

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

# ...changes the hash
test `guix hash -S nar $tmpdir` = 0a50z04zyzf7pidwxv0nwbj82pgzbrhdy9562kncnvkcfvb48m59
test `guix hash -S git $tmpdir` = 0ghlpca9xaswa1ay1g55dknwd9q899mi3ahfr43pq083v8wisjc7

# ...but remains the same when using `-x'
test `guix hash -S nar $tmpdir -x` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -S git $tmpdir -x` = 1m9yxz99g7askm88h6hzyv4g2bfv57rp5wvwp3iq5ypsplq1xkkk

# Without '-r', this should fail.
guix hash "$tmpdir" && false

exit 0
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>