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diff --git a/guix/config.scm.in.in b/guix/config.scm.in.in
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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2017 Caleb Ristvedt <caleb.ristvedt@cune.org>
+;;;
+;;; 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/>.
+
+(define-module (guix config)
+  #:export (%guix-package-name
+            %guix-version
+            %guix-bug-report-address
+            %guix-home-page-url
+
+            %storedir
+            %localstatedir
+            %sysconfdir
+            %temp-directory
+            %libexecdir
+
+            %store-directory
+            %state-directory
+            %store-database-directory
+            %config-directory
+
+            %system
+            %libz
+            %liblz
+            %gzip
+            %bzip2
+            %xz
+            %impersonate-linux-2.6?))
+
+;;; Commentary:
+;;;
+;;; Compile-time configuration of Guix.  When adding a substitution variable
+;;; here, make sure to equip (guix scripts pull) to substitute it.
+;;;
+;;; Code:
+
+(define %guix-package-name
+  "@PACKAGE_NAME@")
+
+(define %guix-version
+  "@PACKAGE_VERSION@")
+
+(define %guix-bug-report-address
+  "@PACKAGE_BUGREPORT@")
+
+(define %guix-home-page-url
+  "@PACKAGE_URL@")
+
+(define %storedir
+  "@storedir@")
+
+(define %localstatedir
+  "@guix_localstatedir@")
+
+(define %temp-directory
+  (or (getenv "TMPDIR")
+      "/tmp"))
+
+(define %impersonate-linux-2.6?
+  (make-parameter @impersonate_linux26@))
+
+(define %sysconfdir
+  "@guix_sysconfdir@")
+
+(define %libexecdir
+  (or (getenv "NIX_LIBEXEC_DIR")
+      "@Libexecdir@/guix"))
+
+(define %store-directory
+  (or (and=> (getenv "NIX_STORE_DIR") canonicalize-path)
+      %storedir))
+
+(define %state-directory
+  ;; This must match `NIX_STATE_DIR' as defined in `nix/local.mk'.
+  (or (getenv "GUIX_STATE_DIRECTORY")
+      (string-append %localstatedir "/guix")))
+
+(define %store-database-directory
+  (or (getenv "GUIX_DATABASE_DIRECTORY")
+      (string-append %state-directory "/db")))
+
+(define %config-directory
+  ;; This must match `GUIX_CONFIGURATION_DIRECTORY' as defined in `nix/local.mk'.
+  (or (getenv "GUIX_CONFIGURATION_DIRECTORY")
+      (string-append %sysconfdir "/guix")))
+
+(define %system
+  "@guix_system@")
+
+(define %libz
+  "@LIBZ@")
+
+(define %liblz
+  "@LIBLZ@")
+
+(define %gzip
+  "@GZIP@")
+
+(define %bzip2
+  "@BZIP2@")
+
+(define %xz
+  "@XZ@")
+
+;;; config.scm ends here