# GNU Guix --- Functional package management for GNU
# Copyright © 2013, 2015, 2017, 2018, 2019 Ludovic Courtès <ludo@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 gc' command-line utility.
#

guix gc --version

trap "rm -f guix-gc-root" EXIT
rm -f guix-gc-root

# Below we are using 'drv' and 'out' to contain store file names.  If 'drv'
# and 'out' are environment variables, 'list-runtime-roots' will "see" them
# and thus prevent $drv and $out from being garbage-collected.  Using 'unset'
# allows us to make sure these are truly local shell variables and not
# environments variables.
unset drv
unset out

# For some operations, passing extra arguments is an error.
for option in "" "-C 500M" "--verify" "--optimize" "--list-roots"
do
    ! guix gc $option whatever
done

# This should fail.
! guix gc --verify=foo

# Check the references of a .drv.
drv="`guix build guile-bootstrap -d`"
out="`guix build guile-bootstrap`"
test -f "$drv" && test -d "$out"

guix gc --references "$drv" | grep -e -bash
guix gc --references "$out"
guix gc --references "$out/bin/guile"

! guix gc --references /dev/null;

# Check derivers.
guix gc --derivers "$out" | grep "$drv"

# Add then reclaim a .drv file.
drv="`guix build idutils -d`"
test -f "$drv"

guix gc --list-dead | grep "$drv"
guix gc --delete "$drv"
! test -f "$drv"

# Add a .drv, register it as a root.
drv="`guix build --root=guix-gc-root lsh -d`"
test -f "$drv" && test -L guix-gc-root

guix gc --list-roots | grep "$PWD/guix-gc-root"

guix gc --list-live | grep "$drv"
! guix gc --delete "$drv";

rm guix-gc-root
guix gc --list-dead | grep "$drv"
guix gc --delete "$drv"
! test -f "$drv"

# Try a random collection.
guix gc -C 1KiB

# Check trivial error cases.
! guix gc --delete /dev/null;

# Bug #19757
out="`guix build guile-bootstrap`"
test -d "$out"

guix gc --delete "$out"

! test -d "$out"

out="`guix build guile-bootstrap`"
test -d "$out"

guix gc --delete "$out/"

! test -d "$out"

out="`guix build guile-bootstrap`"
test -d "$out"

guix gc --delete "$out/bin/guile"
td><span title='2021-05-10 10:18:19 -0400'>2021-05-10</span></td><td><a href='/guix/commit/gnu/system/examples?id=945ad48cd8029fa77a643e00c7fd350e98cacca0'>system: vm-image.tmpl: Add a crutch to allow refreshing the resolution.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-05-06 16:51:49 -0400'>2021-05-06</span></td><td><a href='/guix/commit/gnu/system/examples?id=3ab48ed6cd4b1f87a4c339b172dd8a107478654c'>gnu: system: Add SPICE capability to the VM image.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-01-19 17:16:56 +0100'>2021-01-19</span></td><td><a href='/guix/commit/gnu/system/examples?id=e74baa124592428f05b17562f180469e405037f3'>system: Rename 'disk-image' command 'image'.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-11-05 18:45:40 +0100'>2020-11-05</span></td><td><a href='/guix/commit/gnu/system/examples?id=fe1cd098d2b83737e96f19438612291f5a9316e4'>services: Add yggdrasil-service-type.</a><span class='msg-avail'>...</span></td><td>raingloom</td></tr>
<tr><td><span title='2020-10-13 21:17:40 +0200'>2020-10-13</span></td><td><a href='/guix/commit/gnu/system/examples?id=1197b8b20f4fca4ce03bbc5fa75e18d54e3717c0'>installer: Add Emacs EXWM desktop environment.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-10-09 23:25:33 +0200'>2020-10-09</span></td><td><a href='/guix/commit/gnu/system/examples?id=16f8ea064cde3ee4ef36212cdbdef90e98ba6914'>system: hurd: Add PAM support with shadow and sudo.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-08-28 23:27:53 +0200'>2020-08-28</span></td><td><a href='/guix/commit/gnu/system/examples?id=be1c00ae3c3dc7086ada05f34c36e85adb839038'>system: Remove extra line from 'lightweight-desktop.tmpl'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-07-29 07:50:23 +0300'>2020-07-29</span></td><td><a href='/guix/commit/gnu/system/examples?id=03914b9d8cc5918f495d1abeb97d783c8fc25fd7'>examples: Add password for Alice's brother.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2020-06-13 09:11:47 +0200'>2020-06-13</span></td><td><a href='/guix/commit/gnu/system/examples?id=edbc067138fa417d03cbb204511d8b08b61a3d4d'>system: bare-hurd.tmpl: Add openssh-sans-x client and service.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-06-08 13:51:19 +0200'>2020-06-08</span></td><td><a href='/guix/commit/gnu/system/examples?id=59bcffa314171294278444aad4b7012abe50257a'>system: examples: Add bare-hurd.tmpl.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-06-08 11:03:11 +0200'>2020-06-08</span></td><td><a href='/guix/commit/gnu/system/examples?id=0dddaa7b017b9d4c0c1fc6598cc24b951e159d83'>system: bare-bones: Remove dependency to X libraries.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-04-02 11:48:25 +0200'>2020-04-02</span></td><td><a href='/guix/commit/gnu/system/examples?id=c7af96871737ffa0e2be879e200573bc60603c8c'>system: Add xterm to lightweight-desktop example.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-22 20:55:37 -0700'>2020-03-22</span></td><td><a href='/guix/commit/gnu/system/examples?id=37f8c50cdc2e99189c74999319f3a1854d419546'>gnu: linux-libre-arm-veyron: Deprecate package.</a><span class='msg-avail'>...</span></td><td>Vagrant Cascadian</td></tr>