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authorLudovic Courtès <ludo@gnu.org>2014-07-22 16:57:57 +0200
committerLudovic Courtès <ludo@gnu.org>2014-07-22 16:59:10 +0200
commita69576ea858863574252cbefbcef91db98773d60 (patch)
tree34d35034f906c84d98cc3bbfe6daee743cb5332f /gnu/system
parent7cb9666dd05ba4f039a151c5189a533139f26109 (diff)
downloadguix-a69576ea858863574252cbefbcef91db98773d60.tar.gz
system: Add '%devtmpfs-file-system' for udev, and '%base-file-systems'.
Suggested by Adam Pribyl <pribyl@lowlevel.cz>.

* gnu/services/base.scm (udev-service)[requirement]: Add
  'file-system-/dev'.
* gnu/system/file-systems.scm (%devtmpfs-file-system,
  %base-file-systems): New variables.
* gnu/system/install.scm (installation-services)[file-systems]: Use
  %base-file-systems.
* build-aux/hydra/demo-os.scm (file-systems): Likewise.
* doc/guix.texi (System Installation): Show %BASE-FILE-SYSTEMS in the
  example.
  (Using the Configuration System): Likewise.
  (File Systems): Document %base-file-systems, %devtmpfs-file-system,
  %binary-format-file-system, and %fuse-control-file-system.
Diffstat (limited to 'gnu/system')
-rw-r--r--gnu/system/file-systems.scm18
-rw-r--r--gnu/system/install.scm5
2 files changed, 20 insertions, 3 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 7852a6ab26..0c2021d7b4 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -30,7 +30,10 @@
             file-system-options
 
             %fuse-control-file-system
-            %binary-format-file-system))
+            %binary-format-file-system
+            %devtmpfs-file-system
+
+            %base-file-systems))
 
 ;;; Commentary:
 ;;;
@@ -72,4 +75,17 @@
     (type "binfmt_misc")
     (check? #f)))
 
+(define %devtmpfs-file-system
+  ;; /dev as a 'devtmpfs' file system, needed for udev.
+  (file-system
+    (device "none")
+    (mount-point "/dev")
+    (type "devtmpfs")
+    (check? #f)))
+
+(define %base-file-systems
+  ;; List of basic file systems to be mounted.  Note that /proc and /sys are
+  ;; currently mounted by the initrd.
+  (list %devtmpfs-file-system))
+
 ;;; file-systems.scm ends here
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index 18fd587ead..d4a32609ba 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -117,10 +117,11 @@ Use Alt-F2 for documentation.
     (file-systems
      ;; Note: the disk image build code overrides this root file system with
      ;; the appropriate one.
-     (list (file-system
+     (cons (file-system
              (mount-point "/")
              (device "gnu-disk-image")
-             (type "ext4"))))
+             (type "ext4"))
+           %base-file-systems))
 
     (users (list (user-account
                   (name "guest")