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authorJosselin Poiret <dev@jpoiret.xyz>2022-02-06 22:20:44 +0100
committerLudovic Courtès <ludo@gnu.org>2022-02-15 10:14:14 +0100
commit0055a803e204b8df98469413c6fbc8a8f730842c (patch)
treea903ee7d892ff6931adfdf84737118babf56cc9a /gnu/system
parent7f6dd3be3dceb0fda15fd02c9165614b2626813e (diff)
downloadguix-0055a803e204b8df98469413c6fbc8a8f730842c.tar.gz
system: Add helper file-system-mount-point-predicate.
* gnu/system/file-systems.scm (file-system-mount-point-predicate): Add
it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'gnu/system')
-rw-r--r--gnu/system/file-systems.scm7
1 files changed, 7 insertions, 0 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index e1d1fb72cc..437f8da898 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -60,6 +60,7 @@
             file-system-location
 
             file-system-type-predicate
+            file-system-mount-point-predicate
             btrfs-subvolume?
             btrfs-store-subvolume-file-name
 
@@ -671,6 +672,12 @@ system has the given TYPE."
   (lambda (fs)
     (string=? (file-system-type fs) type)))
 
+(define (file-system-mount-point-predicate mount-point)
+  "Return a predicate that, when passed a file system, returns #t if that file
+system has the given MOUNT-POINT."
+  (lambda (fs)
+    (string=? (file-system-mount-point fs) mount-point)))
+
 
 ;;;
 ;;; Btrfs specific helpers.