63 lines
2.3 KiB
Bash
63 lines
2.3 KiB
Bash
#!/bin/sh
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# GNU Guix --- Functional package management for GNU
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# Copyright © 2012, 2013, 2014, 2015, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
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# Copyright © 2017 Eric Bavier <bavier@cray.com>
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#
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# This file is part of GNU Guix.
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#
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# GNU Guix is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or (at
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# your option) any later version.
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#
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# GNU Guix is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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# Usage: ./pre-inst-env COMMAND ARG...
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#
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# Run COMMAND in a pre-installation environment. Typical use is
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# "./pre-inst-env guix build hello".
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# By default we may end up with absolute directory names that contain '..',
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# which get into $GUILE_LOAD_PATH, leading to '..' in the module file names
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# recorded by Guile. To avoid that, make sure we get a real absolute
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# directory name. Additionally, use '-P' to get the canonical directory name
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# so that Guile's 'relative' %file-port-name-canonicalization can actually
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# work (see <http://bugs.gnu.org/17935>.)
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abs_top_srcdir="`cd "@abs_top_srcdir@" > /dev/null; pwd -P`"
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abs_top_builddir="`cd "@abs_top_builddir@" > /dev/null; pwd -P`"
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GUILE_LOAD_COMPILED_PATH="$abs_top_builddir${GUILE_LOAD_COMPILED_PATH:+:}$GUILE_LOAD_COMPILED_PATH"
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GUILE_LOAD_PATH="$abs_top_builddir:$abs_top_srcdir${GUILE_LOAD_PATH:+:}$GUILE_LOAD_PATH"
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export GUILE_LOAD_COMPILED_PATH GUILE_LOAD_PATH
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# Define $PATH so that `guix' and friends are easily found.
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PATH="$abs_top_builddir/scripts:$abs_top_builddir:$PATH"
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export PATH
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# The daemon invokes 'guix'; tell it which one to use.
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GUIX="$abs_top_builddir/scripts/guix"
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export GUIX
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# The following variables need only be defined when compiling Guix
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# modules, but we define them to be on the safe side in case of
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# auto-compilation.
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NIX_HASH="@NIX_HASH@"
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export NIX_HASH
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# Define $GUIX_UNINSTALLED to prevent `guix' from
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# prepending @guilemoduledir@ to the Guile load paths.
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GUIX_UNINSTALLED=1
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export GUIX_UNINSTALLED
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exec "$@"
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