From c173819c8e5235ce02d60b79bd88b10023a7c614 Mon Sep 17 00:00:00 2001
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Date: Sun, 30 Jul 2023 10:57:41 +0200
Subject: [PATCH] guix: profiles: Fix auto-generated file deletion.

* guix/profiles.scm (texlive-font-maps): Make sure auto-generated file exists
before deleting it, which is not guaranteed when creating the initial texmf
tree union.

This is a followup to e43cbeafd1b632f39b08b3644af5230d5350a656.
---
 guix/profiles.scm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/guix/profiles.scm b/guix/profiles.scm
index 6c88759cae..c62d7f4d22 100644
--- a/guix/profiles.scm
+++ b/guix/profiles.scm
@@ -1815,9 +1815,12 @@ MANIFEST."
                        #:create-all-directories? #t
                        #:log-port (%make-void-port "w"))
 
-          ;; Clear files that are going to be regenerated.
+          ;; Clear files that are going to be regenerated, or copied from
+          ;; a different place, in order to prevent failures during profile
+          ;; generation.
           (with-directory-excursion "/tmp/texlive/share/texmf-dist"
-            (for-each delete-file
+            (for-each (lambda (file)
+                        (when (file-exists? file) (delete-file file)))
                       (list "fonts/map/dvipdfmx/updmap/kanjix.map"
                             "fonts/map/dvips/updmap/builtin35.map"
                             "fonts/map/dvips/updmap/download35.map"