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authorLudovic Courtès <ludo@gnu.org>2020-08-03 17:44:38 +0200
committerLudovic Courtès <ludo@gnu.org>2020-08-03 17:44:38 +0200
commit86c926d7f2dd4906d51dbcd7d39474116768a68d (patch)
treee7815765d74615e5f881d37aaa97d5c83150ee25 /gnu
parent898e6d0a07e4260600d0876d8d1f551ac8b647f9 (diff)
downloadguix-86c926d7f2dd4906d51dbcd7d39474116768a68d.tar.gz
guix-86c926d7f2dd4906d51dbcd7d39474116768a68d.zip
file-systems: Leave room for extension in serialized specs.
* gnu/system/file-systems.scm (spec->file-system): Ignore extra fields. (file-system->spec): Add comment.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/system/file-systems.scm4
1 files changed, 3 insertions, 1 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm
index a62cf902bf..5c02dfac93 100644
--- a/gnu/system/file-systems.scm
+++ b/gnu/system/file-systems.scm
@@ -307,6 +307,7 @@ initrd code."
(match fs
(($ <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)
@@ -317,7 +318,8 @@ initrd code."
(define (spec->file-system sexp)
"Deserialize SEXP, a list, to the corresponding <file-system> object."
(match sexp
- ((device mount-point type flags options mount-may-fail? 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))