01/02: vm: system-qemu-image: Fix type error, remove more actual file systems.

[guix-commits]

civodul pushed a commit to branch master
in repository guix.

commit 341f67991da4380485676987e24a3fac01403835
Author: Ludovic Courtès <ludo@gnu.org>
AuthorDate: Wed Nov 4 23:10:53 2020 +0100

    vm: system-qemu-image: Fix type error, remove more actual file systems.
    
    * gnu/system/vm.scm (system-qemu-image)[file-systems-to-keep]: Check
    whether SOURCE is a string before calling 'string-prefix?'.  Remove
    UUIDs and file system labels as well.
---
 gnu/system/vm.scm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 80a8618..21d777a 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -641,7 +641,10 @@ of the GNU system as described by OS."
               (let ((target (file-system-mount-point fs))
                     (source (file-system-device fs)))
                 (or (string=? target "/")
-                    (string-prefix? "/dev/" source))))
+                    (and (string? source)
+                         (string-prefix? "/dev/" source))
+                    (uuid? source)
+                    (file-system-label? source))))
             (operating-system-file-systems os)))
 
   (define root-uuid