bug#27301: [PATCH] file-systems: Provide string->ext*-uuid, string->btrfs-uuid.

[Danny Milosavljevic]

* gnu/build/file-systems.scm (string->ext2-uuid, string->ext3-uuid,
string->ext4-uuid, string->btrfs-uuid): New variables.  Export them.
---
 gnu/build/file-systems.scm | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm
index 1c733f43b..08f7d478e 100644
--- a/gnu/build/file-systems.scm
+++ b/gnu/build/file-systems.scm
@@ -44,6 +44,10 @@
             uuid->string
             string->uuid
             string->iso9660-uuid
+            string->ext2-uuid
+            string->ext3-uuid
+            string->ext4-uuid
+            string->btrfs-uuid
 
             bind-mount
 
@@ -552,6 +556,11 @@ UUID representation."
                      (time-low 4) (time-mid 2) (time-hi 2)
                      (clock-seq 2) (node 6)))))))
 
+(define string->ext2-uuid string->uuid)
+(define string->ext3-uuid string->uuid)
+(define string->ext4-uuid string->uuid)
+(define string->btrfs-uuid string->uuid)
+
 
 (define* (canonicalize-device-spec spec #:optional (title 'any))
   "Return the device name corresponding to SPEC.  TITLE is a symbol, one of