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| author | Ludovic Courtès <ludo@gnu.org> | 2019-04-21 00:16:57 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-04-21 00:51:18 +0200 |
| commit | 605815023cd21becc0156916f4ce08950b4459e5 (patch) | |
| tree | 232f1624c8867f7874d62f7a760b2e6d60e660bf | |
| parent | 52b5fe5bcf39ec54a7ff4f4230b4bd390b859a32 (diff) | |
| download | guix-605815023cd21becc0156916f4ce08950b4459e5.tar.gz | |
vm: Use a fixed FAT serial number for 'efi.img' in ISO images.
Partly fixes <https://bugs.gnu.org/35283>. * gnu/build/vm.scm (make-iso9660-image): Set the 'GRUB_FAT_SERIAL_NUMBER' environment variable.
| -rw-r--r-- | gnu/build/vm.scm | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm index a63a5d2eea..f2953621ec 100644 --- a/gnu/build/vm.scm +++ b/gnu/build/vm.scm @@ -468,6 +468,16 @@ GRUB configuration and OS-DRV as the stuff in it." (time-second (date->time-utc (make-date 0 0 0 0 1 1 1980 0))))) + ;; Our patched 'grub-mkrescue' honors this environment variable and passes + ;; it to 'mformat', which makes it the serial number of 'efi.img'. This + ;; allows for deterministic builds. + (setenv "GRUB_FAT_SERIAL_NUMBER" + (number->string (if volume-uuid + (string-hash (iso9660-uuid->string volume-uuid) + (expt 2 32)) + #x77777777) + 16)) + (let ((pipe (apply open-pipe* OPEN_WRITE grub-mkrescue "-o" target |