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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_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_STATE_DIR="@GUIX_TEST_ROOT@/var/nix-$$" # allow for parallel tests
+ NIX_DB_DIR="@GUIX_TEST_ROOT@/db"
+ NIX_ROOT_FINDER="@abs_top_builddir@/nix/scripts/list-runtime-roots"
+ 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
+
+ # 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 $?