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03/03: system: Avoid '_' as a pattern variable in 'match'.


From: Ludovic Courtès
Subject: 03/03: system: Avoid '_' as a pattern variable in 'match'.
Date: Fri, 10 Mar 2017 08:48:24 -0500 (EST)

civodul pushed a commit to branch master
in repository guix.

commit 856be823235d488bf5d580b0b0340ec93d042e28
Author: Ludovic Courtès <address@hidden>
Date:   Fri Mar 10 14:41:00 2017 +0100

    system: Avoid '_' as a pattern variable in 'match'.
    
    * gnu/system.scm (operating-system-root-file-system): Don't use '_' as a
    wildcard in 'match', to cope with literal semantics in 2.2.
---
 gnu/system.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/system.scm b/gnu/system.scm
index c8d4d01..0f52351 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -652,8 +652,8 @@ hardware-related operations as necessary when booting a 
Linux container."
 (define (operating-system-root-file-system os)
   "Return the root file system of OS."
   (find (match-lambda
-         (($ <file-system> _ _ "/") #t)
-         (_ #f))
+         (($ <file-system> device title "/") #t)
+         (x #f))
         (operating-system-file-systems os)))
 
 (define (operating-system-initrd-file os)



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