diff options
Diffstat (limited to 'gnu/system.scm')
| -rw-r--r-- | gnu/system.scm | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gnu/system.scm b/gnu/system.scm index 12d9f5fe02..0b62350c63 100644 --- a/gnu/system.scm +++ b/gnu/system.scm @@ -493,8 +493,9 @@ we're running in the final root." (package-version kernel) " (technology preview)")) -(define (operating-system-grub.cfg os) - "Return the GRUB configuration file for OS." +(define* (operating-system-grub.cfg os #:optional (old-entries '())) + "Return the GRUB configuration file for OS. Use OLD-ENTRIES to populate the +\"old entries\" menu." (mlet* %store-monad ((system (operating-system-derivation os)) (root-fs -> (operating-system-root-file-system os)) @@ -509,7 +510,8 @@ we're running in the final root." #~(string-append "--load=" #$system "/boot"))) (initrd #~(string-append #$system "/initrd")))))) - (grub-configuration-file (operating-system-bootloader os) entries))) + (grub-configuration-file (operating-system-bootloader os) entries + #:old-entries old-entries))) (define (operating-system-parameters-file os) "Return a file that describes the boot parameters of OS. The primary use of |