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-rw-r--r--gnu/system/file-systems.scm21
1 files changed, 21 insertions, 0 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index 95b757a698..529f1536de 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -85,6 +85,7 @@
%elogind-file-systems
%base-file-systems
+ %base-live-file-systems
%container-file-systems
<file-system-mapping>
@@ -495,6 +496,26 @@ TARGET in the other system."
%efivars-file-system
%immutable-store))
+(define %base-live-file-systems
+ ;; This is the bare minimum to use live file-systems.
+ ;; Used in installation-os.
+ (list (file-system
+ (mount-point "/")
+ (device (file-system-label "Guix_image"))
+ (type "ext4"))
+
+ ;; Make /tmp a tmpfs instead of keeping the overlayfs. This
+ ;; originally was used for unionfs because FUSE creates
+ ;; '.fuse_hiddenXYZ' files for each open file, and this confuses
+ ;; Guix's test suite, for instance (see
+ ;; <http://bugs.gnu.org/23056>). We keep this for overlayfs to be
+ ;; on the safe side.
+ (file-system
+ (mount-point "/tmp")
+ (device "none")
+ (type "tmpfs")
+ (check? #f))))
+
;; File systems for Linux containers differ from %base-file-systems in that
;; they impose additional restrictions such as no-exec or need different
;; options to function properly.