branch core-updates updated: build-system/haskell: Fix regression.

[guix-commits]

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mothacehe pushed a commit to branch core-updates
in repository guix.

The following commit(s) were added to refs/heads/core-updates by this push:
     new 29a1c93  build-system/haskell: Fix regression.
29a1c93 is described below

commit 29a1c93b72b6b29605c902ecc317596f845e94ae
Author: Mathieu Othacehe <othacehe@gnu.org>
AuthorDate: Wed Jul 28 20:33:14 2021 +0200

    build-system/haskell: Fix regression.
    
    This is a follow-up of a0f880afea3b29e817866de0170ed579738db2d1.
    
    * guix/build-system/haskell.scm (haskell-build): Correctly handle the 
absence
    of a "cabal-revision" input.
---
 guix/build-system/haskell.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/guix/build-system/haskell.scm b/guix/build-system/haskell.scm
index bd4a732..3770304 100644
--- a/guix/build-system/haskell.scm
+++ b/guix/build-system/haskell.scm
@@ -153,7 +153,7 @@ provides a 'Setup.hs' file as its build system."
                                ;; use of ungexp-splicing.
                                #:cabal-revision
                                #$@(match (assoc-ref inputs "cabal-revision")
-                                    (#f '())
+                                    (#f '(#f))
                                     (lst lst))
 
                                #:configure-flags #$configure-flags