diff options
| -rw-r--r-- | gnu/bootloader/grub.scm | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/gnu/bootloader/grub.scm b/gnu/bootloader/grub.scm index 0899fab61f..af7b7561ff 100644 --- a/gnu/bootloader/grub.scm +++ b/gnu/bootloader/grub.scm @@ -573,21 +573,24 @@ fi~%")))) (define install-grub-efi #~(lambda (bootloader efi-dir mount-point) - ;; Install GRUB onto the EFI partition mounted at EFI-DIR, for the - ;; system whose root is mounted at MOUNT-POINT. - (let ((grub-install (string-append bootloader "/sbin/grub-install")) - (install-dir (string-append mount-point "/boot")) - ;; When installing Guix, it's common to mount EFI-DIR below - ;; MOUNT-POINT rather than /boot/efi on the live image. - (target-esp (if (file-exists? (string-append mount-point efi-dir)) - (string-append mount-point efi-dir) - efi-dir))) - ;; Tell 'grub-install' that there might be a LUKS-encrypted /boot or - ;; root partition. - (setenv "GRUB_ENABLE_CRYPTODISK" "y") - (invoke/quiet grub-install "--boot-directory" install-dir - "--bootloader-id=Guix" - "--efi-directory" target-esp)))) + ;; There is nothing useful to do when called in the context of a disk + ;; image generation. + (when efi-dir + ;; Install GRUB onto the EFI partition mounted at EFI-DIR, for the + ;; system whose root is mounted at MOUNT-POINT. + (let ((grub-install (string-append bootloader "/sbin/grub-install")) + (install-dir (string-append mount-point "/boot")) + ;; When installing Guix, it's common to mount EFI-DIR below + ;; MOUNT-POINT rather than /boot/efi on the live image. + (target-esp (if (file-exists? (string-append mount-point efi-dir)) + (string-append mount-point efi-dir) + efi-dir))) + ;; Tell 'grub-install' that there might be a LUKS-encrypted /boot or + ;; root partition. + (setenv "GRUB_ENABLE_CRYPTODISK" "y") + (invoke/quiet grub-install "--boot-directory" install-dir + "--bootloader-id=Guix" + "--efi-directory" target-esp))))) (define (install-grub-efi-netboot subdir) "Define a grub-efi-netboot bootloader installer for installation in SUBDIR, |