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authorMathieu Othacehe <othacehe@gnu.org>2020-05-23 19:09:38 +0200
committerMathieu Othacehe <othacehe@gnu.org>2020-05-29 08:40:00 +0200
commit7e6a42f215726b6ea5b1a2a8b8bc80481f7ebcd9 (patch)
tree8ca1f254c15d61272de5dbdabbeccba426865496 /gnu/bootloader
parent7feefb3b82186be382725ac2d6b7e9f8953e4a83 (diff)
downloadguix-7e6a42f215726b6ea5b1a2a8b8bc80481f7ebcd9.tar.gz
bootloader: grub: Do not run grub-install when creating a disk-image.
* gnu/bootloader/grub.scm (install-grub): When creating a disk-image,
grub-install will fail because it lacks root permissions. In that case, do not
run grub-install and only copy Grub modules to the /boot directory.
Diffstat (limited to 'gnu/bootloader')
-rw-r--r--gnu/bootloader/grub.scm26
1 files changed, 16 insertions, 10 deletions
diff --git a/gnu/bootloader/grub.scm b/gnu/bootloader/grub.scm
index 57deaba912..23c7a82084 100644
--- a/gnu/bootloader/grub.scm
+++ b/gnu/bootloader/grub.scm
@@ -423,18 +423,24 @@ fi~%"))))
 
 (define install-grub
   #~(lambda (bootloader device mount-point)
-      ;; Install GRUB on DEVICE which is mounted at MOUNT-POINT.
       (let ((grub (string-append bootloader "/sbin/grub-install"))
             (install-dir (string-append mount-point "/boot")))
-        ;; Tell 'grub-install' that there might be a LUKS-encrypted /boot or
-        ;; root partition.
-        (setenv "GRUB_ENABLE_CRYPTODISK" "y")
-
-        ;; Hide potentially confusing messages from the user, such as
-        ;; "Installing for i386-pc platform."
-        (invoke/quiet grub "--no-floppy" "--target=i386-pc"
-                      "--boot-directory" install-dir
-                      device))))
+        ;; Install GRUB on DEVICE which is mounted at MOUNT-POINT. If DEVICE
+        ;; is #f, then we populate the disk-image rooted at MOUNT-POINT.
+        (if device
+            (begin
+              ;; Tell 'grub-install' that there might be a LUKS-encrypted
+              ;; /boot or root partition.
+              (setenv "GRUB_ENABLE_CRYPTODISK" "y")
+
+              ;; Hide potentially confusing messages from the user, such as
+              ;; "Installing for i386-pc platform."
+              (invoke/quiet grub "--no-floppy" "--target=i386-pc"
+                            "--boot-directory" install-dir
+                            device))
+            ;; When creating a disk-image, only install GRUB modules.
+            (copy-recursively (string-append bootloader "/lib/")
+                              install-dir)))))
 
 (define install-grub-disk-image
   #~(lambda (bootloader root-index image)