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<td class='lines'><pre><code># GNU Guix --- Functional package management for GNU
# Copyright © 2018 Chris Marusich &lt;cmmarusich@gmail.com&gt;
# Copyright © 2018, 2019, 2020 Ludovic Courtès &lt;ludo@gnu.org&gt;
#
# 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 &lt;http://www.gnu.org/licenses/&gt;.

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

# A network connection is required to build %bootstrap-coreutils&amp;co,
# which is required to run these tests with the --bootstrap option.
if ! guile -c '(getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)' 2&gt; /dev/null; then
    exit 77
fi

guix pack --version

# Use --no-substitutes because we need to verify we can do this ourselves.
GUIX_BUILD_OPTIONS="--no-substitutes"
export GUIX_BUILD_OPTIONS

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

# Compute the derivation of a pack.
drv="`guix pack coreutils -d --no-grafts`"
guix gc -R "$drv" | grep "`guix build coreutils -d --no-grafts`"

# Compute the derivation of a cross-compiled pack.  Make sure it refers to the
# cross-compiled package and not to the native package.
drv="`guix pack idutils -d --no-grafts --target=arm-linux-gnueabihf`"
guix gc -R "$drv" | \
    grep "`guix build idutils --target=arm-linux-gnueabihf -d --no-grafts`"
! guix gc -R "$drv" | grep "`guix build idutils -d --no-grafts`"

# Build a tarball with no compression.
guix pack --compression=none --bootstrap guile-bootstrap

# Build a tarball (with compression).  Check that '-e' works as well.
out1="`guix pack --bootstrap guile-bootstrap`"
out2="`guix pack --bootstrap -e '(@ (gnu packages bootstrap) %bootstrap-guile)'`"
test -n "$out1"
test "$out1" = "$out2"

# Test '--root'.
guix pack -r "$test_directory/my-guile" --bootstrap guile-bootstrap
test "`readlink "$test_directory/my-guile"`" = "$out1"
guix gc --list-roots | grep "^$test_directory/my-guile$"
rm "$test_directory/my-guile"

# Build a tarball with a symlink.
the_pack="`guix pack --bootstrap -S /opt/gnu/bin=bin guile-bootstrap`"

# Try to extract it.  Note: we cannot test whether /opt/gnu/bin/guile itself
# exists because /opt/gnu/bin may be an absolute symlink to a store item that
# has been GC'd.
cd "$test_directory"
tar -xf "$the_pack"
test -L opt/gnu/bin

is_available () {
    # Use the "type" shell builtin to see if the program is on PATH.
    type "$1" &gt; /dev/null
}

if is_available chroot &amp;&amp; is_available unshare &amp;&amp; unshare -r true; then
    # Verify we can use what we built.
    unshare -r chroot . /opt/gnu/bin/guile --version
    cd -
else
    echo "warning: skipped some verification because chroot or unshare is unavailable" &gt;&amp;2
fi

# For the tests that build Docker images below, we currently have to use
# --dry-run because if we don't, there are only two possible cases:
#
#     Case 1: We do not use --bootstrap, and the build takes hours to finish
#             because it needs to build tar etc.
#
#     Case 2: We use --bootstrap, and the build fails because the bootstrap
#             Guile cannot dlopen shared libraries.  Not to mention the fact
#             that we would still have to build many non-bootstrap inputs
#             (e.g., guile-json) in order to create the Docker image.

# Build a Docker image.
guix pack --dry-run --bootstrap -f docker guile-bootstrap

# Build a Docker image with a symlink.
guix pack --dry-run --bootstrap -f docker -S /opt/gnu=/ guile-bootstrap

# Build a tarball pack of cross-compiled software.  Use coreutils because
# guile-bootstrap is not intended to be cross-compiled.
guix pack --dry-run --bootstrap --target=arm-unknown-linux-gnueabihf coreutils

# Likewise, 'guix pack -R' requires a full-blown toolchain (because
# 'glibc-bootstrap' lacks 'libc.a'), hence '--dry-run'.
guix pack -R --dry-run --bootstrap -S /mybin=bin guile-bootstrap

# Make sure package transformation options are honored.
mkdir -p "$test_directory"
drv1="`guix pack --no-grafts -n guile 2&gt;&amp;1 | grep pack.*\.drv`"
drv2="`guix pack --no-grafts -n --with-source=guile=$test_directory guile 2&gt;&amp;1 | grep pack.*\.drv`"
test -n "$drv1"
test "$drv1" != "$drv2"

# Try '--manifest' options.
cat &gt; "$test_directory/manifest1.scm" &lt;&lt;EOF
(specifications-&gt;manifest '("guile"))
EOF
cat &gt; "$test_directory/manifest2.scm" &lt;&lt;EOF
(specifications-&gt;manifest '("emacs"))
EOF
drv="`guix pack --no-grafts -d -m "$test_directory/manifest1.scm" -m "$test_directory/manifest2.scm"`"
guix gc -R "$drv" | grep `guix build guile -d --no-grafts`
guix gc -R "$drv" | grep `guix build emacs -d --no-grafts`
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