GNU bug report logs - #22802
guix system init installs grub.cfg gcroot to host

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Message #10 received at 22802 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Jookia <166291 <at> gmail.com>
Cc: 22802 <at> debbugs.gnu.org
Subject: Re: bug#22802: guix system init installs grub.cfg gcroot to host
Date: Mon, 07 Mar 2016 13:15:38 +0100

[Message part 1 (text/plain, inline)]

Jookia <166291 <at> gmail.com> skribis:

> When running 'guix system init', GRUB requires a GC root to be placed in
> /var/guix. When building a VM, this GC root is placed in <disk>/var/guix/gcroots
> however while building a system on another drive, the GC root is placed on the
> host's /var/guix/gcroots

Indeed, good catch!

I believe this is fixed with the patch below.  Can you confirm?

Thanks,
Ludo’.

[Message part 2 (text/x-patch, inline)]

diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index 9f56a96..8ebeb4d 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -128,7 +128,8 @@ TARGET, and register them."
 (define (install-grub* grub.cfg device target)
   "This is a variant of 'install-grub' with error handling, lifted in
 %STORE-MONAD"
-  (let* ((gc-root      (string-append %gc-roots-directory "/grub.cfg"))
+  (let* ((gc-root      (string-append target %gc-roots-directory
+                                      "/grub.cfg"))
          (temp-gc-root (string-append gc-root ".new"))
          (delete-file  (lift1 delete-file %store-monad))
          (make-symlink (lift2 switch-symlinks %store-monad))

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