Subject: `current-source-directory' fails when file-name #f

From: Alex Sassmannshausen <[email-masked]>
Date: Mon, 08 Apr 2019 14:26:43 +0100

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