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#!/bin/sh
# Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
# Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
#
# This file is part of Guix.
#
# 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.
#
# 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 Guix. If not, see <http://www.gnu.org/licenses/>.
# Usage: ./test-env COMMAND ARG...
#
# Run the daemon in the build directory, and run COMMAND within
# `pre-inst-env'. This is used to run unit tests with the just-built
# daemon, unless `--disable-daemon' was passed at configure time.
if [ -x "@abs_top_builddir@/guix-daemon" ]
then
NIX_SUBSTITUTERS="" # don't resort to substituters
NIX_SETUID_HELPER="@abs_top_builddir@/nix-setuid-helper" # normally unused
NIX_IGNORE_SYMLINK_STORE=1 # in case the store is a symlink
NIX_STORE_DIR="@GUIX_TEST_ROOT@/store"
NIX_LOCALSTATE_DIR="@GUIX_TEST_ROOT@/var"
NIX_LOG_DIR="@GUIX_TEST_ROOT@/var/log/nix"
NIX_DB_DIR="@GUIX_TEST_ROOT@/db"
NIX_ROOT_FINDER="@abs_top_builddir@/nix/scripts/list-runtime-roots"
# Choose a PID-dependent name to allow for parallel builds. Note
# that the directory name must be chosen so that the socket's file
# name is less than 108-char long (the size of `sun_path' in glibc).
# Currently, in Nix builds, we're at ~106 chars...
NIX_STATE_DIR="@GUIX_TEST_ROOT@/var/$$" # allow for parallel tests
export NIX_SUBSTITUTERS NIX_IGNORE_SYMLINK_STORE NIX_STORE_DIR \
NIX_LOCALSTATE_DIR NIX_LOG_DIR NIX_STATE_DIR NIX_DB_DIR \
NIX_ROOT_FINDER NIX_SETUID_HELPER
# Do that because store.scm calls `canonicalize-path' on it.
mkdir -p "$NIX_STORE_DIR"
# Launch the daemon without chroot support because is may be
# unavailable, for instance if we're not running as root.
"@abs_top_builddir@/guix-daemon" --disable-chroot &
daemon_pid=$!
trap "kill $daemon_pid ; rm -rf $NIX_STATE_DIR" EXIT
fi
"@abs_top_builddir@/pre-inst-env" "$@"
exit $?
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