installer: Render the final configuration with (guix read-print).

* gnu/installer.scm (module-to-import?): Return #t for (guix read-print).
* gnu/installer/steps.scm (configuration->file): Use
'pretty-print-with-comments/splice' instead of 'for-each' and 'pretty-print'.

1 files changed, 2 insertions, 1 deletions

diff --git a/gnu/installer.scm b/gnu/installer.scm
index 415f5a7af78..8a6e604fa52 100644
--- a/gnu/installer.scm
+++ b/gnu/installer.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2018, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
-;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020, 2022 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2020 Florian Pelz <pelzflorian@pelzflorian.de>
 ;;;
@@ -63,6 +63,7 @@
     (('gnu 'installer _ ...) #t)
     (('gnu 'build _ ...) #t)
     (('guix 'build _ ...) #t)
+    (('guix 'read-print) #t)
     (_ #f)))
 
 (define not-config?