# GNU Guix --- Functional package management for GNU
# Copyright © 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 pack --relocatable' using the external store, if any.
#

guix pack --version

# 'guix pack --relocatable' requires a C compiler and libc.a, which our
# bootstrap binaries don't provide.  To make the test relatively inexpensive,
# run it on the user's global store if possible, on the grounds that binaries
# may already be there or can be built or downloaded inexpensively.

storedir="`guile -c '(use-modules (guix config))(display %storedir)'`"
localstatedir="`guile -c '(use-modules (guix config))(display %localstatedir)'`"
NIX_STORE_DIR="$storedir"
GUIX_DAEMON_SOCKET="$localstatedir/guix/daemon-socket/socket"
export NIX_STORE_DIR GUIX_DAEMON_SOCKET

if ! guile -c '(use-modules (guix)) (exit (false-if-exception (open-connection)))'
then
    exit 77
fi

STORE_PARENT="`dirname $NIX_STORE_DIR`"
export STORE_PARENT
if test "$STORE_PARENT" = "/"; then exit 77; fi

if unshare -mrf sh -c 'mount -t tmpfs none "$STORE_PARENT"'
then
    # Test the wrapper that relies on user namespaces.
    relocatable_option="-R"
else
    case "`uname -m`" in
	x86_64|i?86)
	    # Test the wrapper that falls back to PRoot.
	    relocatable_option="-RR";;
	*)
	    # XXX: Our 'proot' package currently fails tests on non-Intel
	    # architectures, so skip this by default.
	    exit 77;;
    esac
fi

test_directory="`mktemp -d`"
export test_directory
trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT

export relocatable_option
tarball="`guix pack $relocatable_option -S /Bin=bin sed`"
(cd "$test_directory"; tar xvf "$tarball")

if unshare -r true		# Are user namespaces supported?
then
    # Run that relocatable 'sed' in a user namespace where we "erase" the store by
    # mounting an empty file system on top of it.  That way, we exercise the
    # wrapper code that creates the user namespace and bind-mounts the store.
    unshare -mrf sh -c 'mount -t tmpfs none "$STORE_PARENT"; echo "$STORE_PARENT"/*; "$test_directory/Bin/sed" --version > "$test_directory/output"'
else
    # Run the relocatable 'sed' in the current namespaces.  This is a weak
    # test because we're going to access store items from the host store.
    "$test_directory/Bin/sed" --version > "$test_directory/output"
fi
grep 'GNU sed' "$test_directory/output"
t/gnu/tests/install.scm?id=886302fcf7c7796674ddb3b99b07af6c430591bd'>system: tests: Add a Btrfs RAID system test.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-01-20 12:50:47 +0100'>2021-01-20</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=c64adff4c67fbd43497cbc124865e87dce2f88e6'>tests: install: Fix build.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-12-21 18:41:11 +0100'>2020-12-21</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=f00e68ace070fd5240a4b5874e61c26f6e909b6c'>system: Allow separated /boot and encrypted root.</a><span class='msg-avail'>...</span></td><td>Miguel Ángel Arruga Vivas</td></tr>
<tr><td><span title='2020-11-26 00:05:39 +0100'>2020-11-26</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=a9a2fdaabcc78e7a54d9a6bcfa4ee3de308e9a90'>mapped-devices: Add 'lvm-device-mapping'.</a><span class='msg-avail'>...</span></td><td>Mikhail Tsykalov</td></tr>
<tr><td><span title='2020-10-30 01:14:21 +0100'>2020-10-30</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=1c6d98533153bc8e0e36236e7fbcf1eb5e178d26'>installer: Use UUIDs in the 'swap-devices' field.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-10-13 21:17:40 +0200'>2020-10-13</span></td><td><a href='/guix/commit/gnu/tests/install.scm?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='2020-09-30 10:47:59 +0200'>2020-09-30</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=10b135cef54348e48805bd9c64b463c465c65eb5'>system: image: Add image-type support.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-09-10 14:59:53 +0200'>2020-09-10</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=6e71514a2992eed1cfa2306f65ca750d65708bc4'>tests: install: Fix gui-installed-desktop-os-encrypted test.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-06-30 14:44:01 +0200'>2020-06-30</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=5e766fe5a2b19a33e1f2589ede37da674aada4c6'>tests: install: Increase image size limit.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-06-26 15:00:08 +0200'>2020-06-26</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=544fd8e3b5b661125ff0e2bd27598f9deef11fca'>tests: install: Disable image compression.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-06-26 14:49:32 +0200'>2020-06-26</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=1da6914589e06621a78ce0ed13f707cc767c2a3d'>tests: install: Fix marionette race condition.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-06-13 15:03:55 +0200'>2020-06-13</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=7ca533c7237622d70b423033c4506217d9ce4014'>image: Make 'find-image' non-monadic.</a><span class='msg-avail'>...</span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-05-29 09:12:11 +0200'>2020-05-29</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=e3f0155c41b28510f77e113ca2d37f0e7d90a2ca'>image: Do not use VM to create disk-images.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-05-20 08:30:35 -0400'>2020-05-20</span></td><td><a href='/guix/commit/gnu/tests/install.scm?id=b460ba7992a0b4af2ddb5927dcf062784539ef7b'>bootloader: grub: Allow booting from a Btrfs subvolume.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>