[bug#43121] [PATCH] guix: packages: Fix print-content-hash

[Robin Green]

* guix/packages.scm (print-content-hash): Prevent throwing an exception for
linux-libre and breaking backtraces.
---
 guix/packages.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/guix/packages.scm b/guix/packages.scm
index 95d7c2cc0d..c5a971b7b7 100644
--- a/guix/packages.scm
+++ b/guix/packages.scm
@@ -228,7 +228,8 @@ as base32.  Otherwise, it must be a bytevector."
 (define (print-content-hash hash port)
   (format port "#<content-hash ~a:~a>"
           (content-hash-algorithm hash)
-          (bytevector->nix-base32-string (content-hash-value hash))))
+          (false-if-exception
+           (bytevector->nix-base32-string (content-hash-value hash)))))
 
 (set-record-type-printer! <content-hash> print-content-hash)
 
-- 
2.27.0