From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Sassmannshausen <alex.sassmannshausen@gmail.com>
Subject: bug#35192: `current-source-directory' fails when file-name #f
Date: Mon, 08 Apr 2019 14:26:43 +0100
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To: 35192@debbugs.gnu.org

Hello,

re: /guix/utils.scm:748:

When file-name is #f (e.g. in a geiser repl), the procedure's match
fails. `assq' returns ('filename . #f).  This is handled in the match
bodies cond clause, but excluded as possibility by the encapsulating
match clause.

Alex