emacs: Use package/output type variables where needed.

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

diff --git a/pre-inst-env.in b/pre-inst-env.in
index aeadcfd..92e48c0 100644 (file)
--- a/pre-inst-env.in
+++ b/pre-inst-env.in
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # GNU Guix --- Functional package management for GNU
-# Copyright © 2012 Ludovic Courtès <ludo@gnu.org>
+# Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
 #
 # This file is part of GNU Guix.
 #
@@ -21,23 +21,52 @@
 # Usage: ./pre-inst-env COMMAND ARG...
 #
 # Run COMMAND in a pre-installation environment.  Typical use is
-# "./pre-inst-env guix-build hello".
+# "./pre-inst-env guix build hello".
 
-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"
+# 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-build' and friends are easily found.
+# Define $PATH so that `guix' and friends are easily found.
 
-PATH="@abs_top_builddir@:$PATH"
+PATH="$abs_top_builddir/scripts:$abs_top_builddir:$PATH"
 export PATH
 
+# Daemon helpers.
+
+NIX_ROOT_FINDER="$abs_top_builddir/nix/scripts/list-runtime-roots"
+NIX_SUBSTITUTERS="$abs_top_builddir/nix/scripts/substitute-binary"
+NIX_SETUID_HELPER="$abs_top_builddir/nix-setuid-helper"
+NIX_BUILD_HOOK="$abs_top_builddir/nix/scripts/offload"
+NIX_LIBEXEC_DIR="@abs_top_builddir@/nix/scripts" # for 'guix-authenticate'
+
+export NIX_ROOT_FINDER NIX_SETUID_HELPER NIX_SUBSTITUTERS      \
+    NIX_BUILD_HOOK NIX_LIBEXEC_DIR
+
+# The 'guix-register' program.
+GUIX_REGISTER="$abs_top_builddir/guix-register"
+export GUIX_REGISTER
+
 # 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 $GUIX_UNINSTALLED to prevent `guix' from
+# prepending @guilemoduledir@ to the Guile load paths.
+
+GUIX_UNINSTALLED=1
+export GUIX_UNINSTALLED
+
 exec "$@"