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-rw-r--r--build-aux/build-self.scm3
1 files changed, 2 insertions, 1 deletions
diff --git a/build-aux/build-self.scm b/build-aux/build-self.scm
index fc13032b73..f2e785b7f1 100644
--- a/build-aux/build-self.scm
+++ b/build-aux/build-self.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -420,6 +420,7 @@ files."
;; $GUILE_LOAD_PATH & co.
(with-clean-environment
(setenv "GUILE_WARN_DEPRECATED" "no") ;be quiet and drive
+ (setenv "COLUMNS" "120") ;show wider backtraces
(when home
;; Inherit HOME so that 'xdg-directory' works.
(setenv "HOME" home))