Subject: [bug#47929] [PATCH 5/5] ui: Disable hyperlink support inside screen.

From: Mathieu Othacehe <[email-masked]>
Date: Wed, 21 Apr 2021 14:21:08 +0200

Inside screen, the OSC escape sequence is interpreted but the link is not clickable.

* guix/ui.scm (supports-hyperlinks?): Return false if STY is set.
---
 guix/ui.scm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/guix/ui.scm b/guix/ui.scm
index 7fbd4c63a2..56fbbb3db3 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -1486,7 +1486,8 @@ documented at
   ;; However, Emacs comint as of 26.3 does not ignore it and instead lets it
   ;; through, hence the 'INSIDE_EMACS' special case below.
   (and (isatty?* port)
-       (not (getenv "INSIDE_EMACS"))))
+       (not (or (getenv "INSIDE_EMACS")
+                (getenv "STY"))))) ;screen doesn't support hyperlinks.
 
 (define* (file-hyperlink file #:optional (text file))
   "Return TEXT with escapes for a hyperlink to FILE."
-- 
2.31.1