image: Rename "raw" image-type to "efi-raw".

[jackhill/guix/guix.git] / gnu / system / file-systems.scm

diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 660f994..464e87c 100644 (file)
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2020 Google LLC
 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
 ;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;;
@@ -48,6 +49,7 @@
             alist->file-system-options
 
             file-system-mount?
+            file-system-mount-may-fail?
             file-system-check?
             file-system-create-mount-point?
             file-system-dependencies
@@ -69,6 +71,7 @@
             %fuse-control-file-system
             %binary-format-file-system
             %debug-file-system
+            %efivars-file-system
             %shared-memory-file-system
             %pseudo-terminal-file-system
             %tty-gid
@@ -114,6 +117,8 @@
                     (default #f))
   (mount?           file-system-mount?            ; Boolean
                     (default #t))
+  (mount-may-fail?  file-system-mount-may-fail?   ; Boolean
+                    (default #f))
   (needed-for-boot? %file-system-needed-for-boot? ; Boolean
                     (default #f))
   (check?           file-system-check?            ; Boolean
@@ -301,18 +306,21 @@ store--e.g., if FS is the root file system."
   "Return a list corresponding to file-system FS that can be passed to the
 initrd code."
   (match fs
-    (($ <file-system> device mount-point type flags options _ _ check?)
+    (($ <file-system> device mount-point type flags options mount?
+                      mount-may-fail? needed-for-boot? check?)
+     ;; Note: Add new fields towards the end for compatibility.
      (list (cond ((uuid? device)
                   `(uuid ,(uuid-type device) ,(uuid-bytevector device)))
                  ((file-system-label? device)
                   `(file-system-label ,(file-system-label->string device)))
                  (else device))
-           mount-point type flags options check?))))
+           mount-point type flags options mount-may-fail? check?))))
 
 (define (spec->file-system sexp)
   "Deserialize SEXP, a list, to the corresponding <file-system> object."
   (match sexp
-    ((device mount-point type flags options check?)
+    ((device mount-point type flags options mount-may-fail? check?
+             _ ...)                               ;placeholder for new fields
      (file-system
        (device (match device
                  (('uuid (? symbol? type) (? bytevector? bv))
@@ -323,6 +331,7 @@ initrd code."
                   device)))
        (mount-point mount-point) (type type)
        (flags flags) (options options)
+       (mount-may-fail? mount-may-fail?)
        (check? check?)))))
 
 (define (specification->file-system-mapping spec writable?)
@@ -377,6 +386,16 @@ TARGET in the other system."
     (check? #f)
     (create-mount-point? #t)))
 
+(define %efivars-file-system
+  ;; Support for EFI variables file system.
+  (file-system
+    (device "efivarfs")
+    (mount-point "/sys/firmware/efi/efivars")
+    (type "efivarfs")
+    (mount-may-fail? #t)
+    (needed-for-boot? #f)
+    (check? #f)))
+
 (define %tty-gid
   ;; ID of the 'tty' group.  Allocate it statically to make it easy to refer
   ;; to it from here and from the 'tty' group definitions.
@@ -478,6 +497,7 @@ TARGET in the other system."
   (list %pseudo-terminal-file-system
         %debug-file-system
         %shared-memory-file-system
+        %efivars-file-system
         %immutable-store))
 
 ;; File systems for Linux containers differ from %base-file-systems in that
@@ -571,11 +591,8 @@ a bind mount."
                  ;; XXX: On some GNU/Linux systems, /etc/resolv.conf is a
                  ;; symlink to a file in a tmpfs which, for an unknown reason,
                  ;; cannot be bind mounted read-only within the container.
-                 ;; The same goes with /var/run/nscd, as discussed in
-                 ;; <https://bugs.gnu.org/37967>.
-                 (writable? (or (string=? file "/etc/resolv.conf")
-                                (string=? file "/var/run/nscd")))))
-              (cons "/var/run/nscd" %network-configuration-files)))
+                 (writable? (string=? file "/etc/resolv.conf"))))
+              %network-configuration-files))
 
 (define (file-system-type-predicate type)
   "Return a predicate that, when passed a file system, returns #t if that file