# GNU Guix --- Functional package management for GNU
# Copyright © 2015-2016, 2019-2020, 2022 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com>
#
# 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 graph' command-line utility.
#

module_dir="t-guix-graph-$$"
mkdir "$module_dir"

tmpfile1="$module_dir/t-guix-graph1-$$"
tmpfile2="$module_dir/t-guix-graph2-$$"
trap 'rm -r "$module_dir"' EXIT


cat > "$module_dir/foo.scm"<<EOF
(define-module (foo)
  #:use-module (guix packages)
  #:use-module (gnu packages base))

(define-public dummy
  (package (inherit hello)
    (name "dummy")
    (version "42")
    (synopsis "dummy package")
    (description "dummy package. Only used for testing purposes.")))
EOF


guix graph --version

for package in guile-bootstrap coreutils python
do
    for graph in package bag-emerged bag bag-with-origins
    do
	guix graph -t "$graph" "$package" | grep "$package"
    done
done

guix build guile-bootstrap
guix graph -t references guile-bootstrap | grep guile-bootstrap

guix graph -e '(@ (gnu packages bootstrap) %bootstrap-guile)' \
    | grep guile-bootstrap

guix graph -e + && false

# Try passing store file names.

guix graph -t references guile-bootstrap > "$tmpfile1"
guix graph -t references `guix build guile-bootstrap` > "$tmpfile2"
cmp "$tmpfile1" "$tmpfile2"

# XXX: Filter the file names in the graph to work around the fact that we get
# a mixture of relative and absolute file names.
guix graph -t derivation coreutils > "$tmpfile1"
guix graph -t derivation `guix build -d coreutils` > "$tmpfile2"
cmp "$tmpfile1" "$tmpfile2"

# Try package transformation options.
guix graph git | grep 'label = "openssl'
guix graph git --with-input=openssl=libressl | grep 'label = "libressl'
guix graph git --with-input=openssl=libressl | grep 'label = "openssl' && false

# Try --load-path
guix graph -L $module_dir dummy | grep 'label = "dummy'

# Displaying shortest paths (or lack thereof).
guix graph --path emacs vim && false

path="\
emacs
gnutls
p11-kit
libffi"
test "`guix graph --path emacs libffi | cut -d '@' -f1`" = "$path"

# At the derivation level, there's a direct path because libffi is propagated
# via gtk+.
test "`guix graph --path -t derivation emacs libffi | wc -l`" -ge 2
 Geerinckx-Rice</td></tr>
<tr><td><span title='2021-05-18 16:37:18 +0200'>2021-05-18</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=5fa46ca96da90ec19e32cc4d726f099d0979d60b'>Revert "vm: Autoload (gnu build vm)."</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-05-17 23:59:58 +0200'>2021-05-17</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=c2b183e13d7bcd36cc62253add436eb2946abe4e'>vm: Remove unused imports.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-05-17 23:59:58 +0200'>2021-05-17</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=a67c00f4f7ee0a70fce14a7e1907cce332c85813'>vm: Autoload (gnu build vm).</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-04-12 14:12:49 +0200'>2021-04-12</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=98bf60bf4ffa14a111bce5265a6299c1bcfd8351'>system: vm: Add a memory-size argument to system-docker-image.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-04-08 15:12:01 -0400'>2021-04-08</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=bdc96f6e0e7fbf502f368d3381297ec0b75216d7'>system: vm: Set a larger value for the msize option of the 9p file system.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-02-25 11:29:35 +0100'>2021-02-25</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=60fd4118f7f01ac88bae1b44811afb34ea565685'>system: vm: Use Guile 3.0 in Docker images.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-02-17 10:52:28 +0100'>2021-02-17</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=ee2a5da80a9bda25542c00a7a35a9ddddcbd58af'>scripts: system: Remove 'vm-image' command.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-11-17 15:20:03 -0500'>2020-11-17</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=19d4693939322e7e59bb33c0af3e202bd4027092'>system: vm: Remove unused system-disk-image-in-vm.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-11-10 21:49:15 +0100'>2020-11-10</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=000e7a0abc747ab6eb4fc23e80e4e9fbe8e75781'>vm: expression-&gt;derivation-in-linux-vm: Run in a UTF-8 locale.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-10 12:20:09 +0100'>2020-11-10</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=7a20c1676a8421f3ac06a2634a27c2837293df0b'>vm: 'system-qemu-image' forces the use of i386/BIOS GRUB.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-05 00:07:45 +0100'>2020-11-05</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=341f67991da4380485676987e24a3fac01403835'>vm: system-qemu-image: Fix type error, remove more actual file systems.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-08-31 15:50:35 +0200'>2020-08-31</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=7eeb78157d3d0267ce4a4ea38ff56a2c4246c11b'>vm: Disable caching for writable file system mappings.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-07-11 23:36:31 +0200'>2020-07-11</span></td><td><a href='/guix/commit/gnu/system/vm.scm?id=1abf205d11c8b941d7d89855cb55a9cfde078838'>Revert "vm: Use virtio network driver."</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>