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| | # GNU Guix --- Functional package management for GNU
# Copyright © 2018, 2019 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2020 Eric Bavier <bavier@posteo.net>
#
# 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"
chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/*
# Ensure '-R' works with outputs other than "out".
tarball="`guix pack -R -S /share=share groff:doc`"
(cd "$test_directory"; tar xvf "$tarball")
test -d "$test_directory/share/doc/groff/html"
chmod -Rf +w "$test_directory"; rm -rf "$test_directory"/*
# Check that packages that mix executable and support files (e.g. git) in the
# "binary" directories still work after wrapped.
tarball="`guix pack $relocatable_option -S /opt= git-minimal`"
(cd "$test_directory"; tar xvf "$tarball"
mkdir foo; cd foo; touch .gitignore bar.txt bif.txt)
do_test='
export GUIX_PROFILE="$test_directory/opt"
. $GUIX_PROFILE/etc/profile
cd "$test_directory/foo"
git config --global user.email "gnu@example.com"
git config --global user.name "Gnu Hacker"
git --version >"$test_directory/output"
git init; git add .gitignore; git commit -m "Initial"
git branch a; git branch b
git checkout a
git add bar.txt; git commit -m "Add bar"
git checkout b
git add bif.txt; git commit -m "Add bif"
git checkout master
# Check merge-octopus script which sources libexec/git-core/git-sh-setup
git merge a b -m "merge" >>"$test_directory/output"
'
if unshare -r true # Are user namespaces supported?
then
unshare -mrf \
sh -c 'mount -t tmpfs none "$HOME"; # Forbid git to read user configs
mount -t tmpfs none "$STORE_PARENT"; \
'"$do_test"
cd -
else
( $do_test )
fi
grep 'git version' "$test_directory/output"
grep 'octopus' "$test_directory/output"
|