diff options
| author | Ludovic Courtès <ludo@gnu.org> | 2014-05-18 22:06:38 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2014-05-18 22:27:23 +0200 |
| commit | 6ffd11f129405c7bd663201096d8fcfcde6344a9 (patch) | |
| tree | 98b46a8342818be2a20e6a37a6fa10ea076560d1 /guix/build/install.scm | |
| parent | d5b429abda948c21a61032a1da9d472410edaa90 (diff) | |
| download | gnu-guix-6ffd11f129405c7bd663201096d8fcfcde6344a9.tar gnu-guix-6ffd11f129405c7bd663201096d8fcfcde6344a9.tar.gz | |
system: Prevent grub.cfg from being GC'd.
* guix/build/install.scm (install-grub): Use 'copy-file' instead of
'symlink' for GRUB.CFG.
Diffstat (limited to 'guix/build/install.scm')
| -rw-r--r-- | guix/build/install.scm | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/guix/build/install.scm b/guix/build/install.scm index 564735a7f6..f61c16f13a 100644 --- a/guix/build/install.scm +++ b/guix/build/install.scm @@ -38,11 +38,18 @@ (define* (install-grub grub.cfg device mount-point) "Install GRUB with GRUB.CFG on DEVICE, which is assumed to be mounted on MOUNT-POINT. Return #t on success." - (mkdir-p (string-append mount-point "/boot/grub")) - (symlink grub.cfg (string-append mount-point "/boot/grub/grub.cfg")) - (zero? (system* "grub-install" "--no-floppy" - "--boot-directory" (string-append mount-point "/boot") - device))) + (let* ((target (string-append mount-point "/boot/grub/grub.cfg")) + (pivot (string-append target ".new"))) + (mkdir-p (dirname target)) + + ;; Copy GRUB.CFG instead of just symlinking it since it's not a GC root. + ;; Do that atomically. + (copy-file grub.cfg pivot) + (rename-file pivot target) + + (zero? (system* "grub-install" "--no-floppy" + "--boot-directory" (string-append mount-point "/boot") + device)))) (define (evaluate-populate-directive directive target) "Evaluate DIRECTIVE, an sexp describing a file or directory to create under |