# GNU Guix --- Functional package management for GNU # Copyright © 2018 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. NIX_STORE_DIR="`guile -c '(use-modules (guix config))(display %storedir)'`" localstatedir="`guile -c '(use-modules (guix config))(display %localstatedir)'`" 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 # This test requires user namespaces and associated command-line tools. if ! unshare -mrf sh -c 'mount -t tmpfs none "$STORE_PARENT"' then exit 77 fi test_directory="`mktemp -d`" export test_directory trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT tarball="`guix pack -R -S /Bin=bin sed`" (cd "$test_directory"; tar xvf "$tarball") # Run that relocatable 'sed' in a user namespace where we "erase" the store by # mounting an empty file system on top of it. That way, we exercise the # wrapper code that creates the user namespace and bind-mounts the store. unshare -mrf sh -c 'mount -t tmpfs none "$STORE_PARENT"; echo "$STORE_PARENT"/*; "$test_directory/Bin/sed" --version > "$test_directory/output"' grep 'GNU sed' "$test_directory/output"