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authorLudovic Courtès <ludo@gnu.org>2014-12-04 23:52:28 +0100
committerLudovic Courtès <ludo@gnu.org>2014-12-04 23:53:16 +0100
commit39d1f82b520df44c80fa4acf6614709bb05a0f4c (patch)
treeaaae85dbbe2f83491911bffffe77dec8d56ea823 /gnu/build/vm.scm
parent764ee9e808e0de0c780c4286410dc9408f4bff4a (diff)
downloadgnu-guix-39d1f82b520df44c80fa4acf6614709bb05a0f4c.tar
gnu-guix-39d1f82b520df44c80fa4acf6614709bb05a0f4c.tar.gz
system: Make /boot/grub/grub.cfg an indirect GC root.
Fixes <http://bugs.gnu.org/19160>. * guix/scripts/system.scm (install-grub*): Make /boot/grub/grub.cfg an indirect GC root. * gnu/build/install.scm (install-grub): Make TARGET a symlink. * gnu/build/vm.scm (register-grub.cfg-root): New procedure. (initialize-hard-disk): Use it.
Diffstat (limited to 'gnu/build/vm.scm')
-rw-r--r--gnu/build/vm.scm16
1 files changed, 16 insertions, 0 deletions
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index 03db1cd5f9..1762582343 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -178,6 +178,18 @@ volume name."
(display "populating...\n")
(populate-root-file-system system-directory target-directory))
+(define (register-grub.cfg-root target)
+ "On file system TARGET, make '/boot/grub/grub.cfg' an indirect GC root."
+ (define hash
+ ;; XXX: Believe it or not, this is that nix-base32-encoded SHA1 of the
+ ;; string "/boot/grub/grub.cfg". We need it here, but gcrypt isn't
+ ;; available (a random hash would do as well, though.)
+ "kv0yq1d48kavqfhjfzvc4lcyazx2mqhv")
+
+ (let ((directory (string-append target "/var/guix/gcroots/auto")))
+ (mkdir-p directory)
+ (symlink "/boot/grub/grub.cfg" (string-append directory "/" hash))))
+
(define* (initialize-hard-disk device
#:key
system-directory
@@ -222,6 +234,10 @@ SYSTEM-DIRECTORY is the name of the directory of the 'system' derivation."
(install-grub grub.cfg device target-directory)
+ ;; Register $target/boot/grub/grub.cfg as an indirect root, so that GRUB.CFG
+ ;; is not reclaimed.
+ (register-grub.cfg-root target-directory)
+
;; 'guix-register' resets timestamps and everything, so no need to do it
;; once more in that case.
(unless register-closures?