[jackhill/guix/guix.git] / build-aux / pre-inst-env.in

#!/bin/sh

# GNU Guix --- Functional package management for GNU
# Copyright © 2012, 2013, 2014, 2015, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2017 Eric Bavier <bavier@cray.com>
#
# 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/>.

# Usage: ./pre-inst-env COMMAND ARG...
#
# Run COMMAND in a pre-installation environment.  Typical use is
# "./pre-inst-env guix build hello".

# By default we may end up with absolute directory names that contain '..',
# which get into $GUILE_LOAD_PATH, leading to '..' in the module file names
# recorded by Guile.  To avoid that, make sure we get a real absolute
# directory name.  Additionally, use '-P' to get the canonical directory name
# so that Guile's 'relative' %file-port-name-canonicalization can actually
# work (see <http://bugs.gnu.org/17935>.)
abs_top_srcdir="`cd "@abs_top_srcdir@" > /dev/null; pwd -P`"
abs_top_builddir="`cd "@abs_top_builddir@" > /dev/null; pwd -P`"

GUILE_LOAD_COMPILED_PATH="$abs_top_builddir${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH"
GUILE_LOAD_PATH="$abs_top_builddir:$abs_top_srcdir${GUILE_LOAD_PATH:+:}$GUILE_LOAD_PATH"
export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH

# Define $PATH so that `guix' and friends are easily found.

PATH="$abs_top_builddir/scripts:$abs_top_builddir:$PATH"
export PATH

# The daemon invokes 'guix'; tell it which one to use.
GUIX="$abs_top_builddir/scripts/guix"
export GUIX

# The following variables need only be defined when compiling Guix
# modules, but we define them to be on the safe side in case of
# auto-compilation.

NIX_HASH="@NIX_HASH@"
export NIX_HASH

# Define $GUIX_UNINSTALLED to prevent `guix' from
# prepending @guilemoduledir@ to the Guile load paths.

GUIX_UNINSTALLED=1
export GUIX_UNINSTALLED

exec "$@"
Commit	Line	Data
f4544767 LC	1	#!/bin/sh
f4544767 LC	2
233e7676	3	# GNU Guix --- Functional package management for GNU
4d4a38f6	4	# Copyright © 2012, 2013, 2014, 2015, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
7740228e	5	# Copyright © 2017 Eric Bavier <bavier@cray.com>
f4544767	6	#
233e7676	7	# This file is part of GNU Guix.
f4544767	8	#
233e7676	9	# GNU Guix is free software; you can redistribute it and/or modify it
f4544767 LC	10	# under the terms of the GNU General Public License as published by
	11	# the Free Software Foundation; either version 3 of the License, or (at
	12	# your option) any later version.
	13	#
233e7676	14	# GNU Guix is distributed in the hope that it will be useful, but
f4544767 LC	15	# WITHOUT ANY WARRANTY; without even the implied warranty of
	16	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	# GNU General Public License for more details.
	18	#
	19	# You should have received a copy of the GNU General Public License
233e7676	20	# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
f4544767 LC	21
	22	# Usage: ./pre-inst-env COMMAND ARG...
	23	#
	24	# Run COMMAND in a pre-installation environment. Typical use is
6b3342af	25	# "./pre-inst-env guix build hello".
f4544767	26
d862bf0f LC	27	# By default we may end up with absolute directory names that contain '..',
	28	# which get into $GUILE_LOAD_PATH, leading to '..' in the module file names
	29	# recorded by Guile. To avoid that, make sure we get a real absolute
6171070b LC	30	# directory name. Additionally, use '-P' to get the canonical directory name
	31	# so that Guile's 'relative' %file-port-name-canonicalization can actually
	32	# work (see <http://bugs.gnu.org/17935>.)
	33	abs_top_srcdir="`cd "@abs_top_srcdir@" > /dev/null; pwd -P`"
	34	abs_top_builddir="`cd "@abs_top_builddir@" > /dev/null; pwd -P`"
d862bf0f LC	35
d862bf0f LC	36	GUILE_LOAD_COMPILED_PATH="$abs_top_builddir${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH"
c2d77474	37	GUILE_LOAD_PATH="$abs_top_builddir:$abs_top_srcdir${GUILE_LOAD_PATH:+:}$GUILE_LOAD_PATH"
ac5aa288	38	export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH
f4544767	39
e49951eb	40	# Define $PATH so that `guix' and friends are easily found.
f4544767	41
d862bf0f	42	PATH="$abs_top_builddir/scripts:$abs_top_builddir:$PATH"
f4544767 LC	43	export PATH
f4544767 LC	44
2e3e5d21 LC	45	# The daemon invokes 'guix'; tell it which one to use.
	46	GUIX="$abs_top_builddir/scripts/guix"
	47	export GUIX
151794bf	48
f4544767 LC	49	# The following variables need only be defined when compiling Guix
	50	# modules, but we define them to be on the safe side in case of
	51	# auto-compilation.
	52
	53	NIX_HASH="@NIX_HASH@"
00e219d1	54	export NIX_HASH
f4544767	55
e49951eb MW	56	# Define $GUIX_UNINSTALLED to prevent `guix' from
	57	# prepending @guilemoduledir@ to the Guile load paths.
	58
	59	GUIX_UNINSTALLED=1
	60	export GUIX_UNINSTALLED
	61
f4544767	62	exec "$@"