[debbugs-tracker] bug#35283: closed (ISO images are not reproducible)

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Your message dated Sun, 21 Apr 2019 00:57:19 +0200
with message-id <address@hidden>
and subject line Re: bug#35283: ISO images are not reproducible
has caused the debbugs.gnu.org bug report #35283,
regarding ISO images are not reproducible
to be marked as done.

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35283: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35283
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> --- Begin Message ---
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> Subject: 
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> ISO images are not reproducible
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> Date: 
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> Mon, 15 Apr 2019 09:46:37 +0200
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)
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> As noted by Florian in <https://issues.guix.info/issue/33639>, images
> created by ‘guix system disk-image --file-system-type=iso9660’ are not
> bit-reproducible.
>
> Ludo’.
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>
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> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#35283: ISO images are not reproducible
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> Date: 
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> Sun, 21 Apr 2019 00:57:19 +0200
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)
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>
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>
> Hi Thomas,
>
> "Thomas Schmitt" <address@hidden> skribis:
>
> > If you want a fixed time for all three timestamps in all files, do:
> >
> >   -volume_date all_file_dates ="$SOURCE_DATE_EPOCH"
>
> Thanks, that’s what I was missing.
>
> It was still not the end of the story, but I have some good news: the
> series of commits below allow me to build ISO images reproducibly!  \o/
>
>   1b0b1651b1 gnu: mtools: 'mformat' initializes boot sector before writing it.
>   5502fbd7fd gnu: valgrind: Add 3.15.0.
>   605815023c vm: Use a fixed FAT serial number for 'efi.img' in ISO images.
>   52b5fe5bcf gnu: grub: 'grub-mkrescue' honors 'GRUB_FAT_SERIAL_NUMBER'.
>   6901b9248e vm: Reset file timestamps of the EFI image in ISO images.
>   833480cc1f vm: Reset file timestamps in ISO images.
>
> To check by yourself you can do, say:
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>   guix system disk-image --file-system-type=iso9660 \
>      gnu/system/examples/bare-bones.tmpl
>
> and then check the ISO derivation that was built as the last step above:
>
>   guix build --check -K /gnu/store/…-image.iso.drv
>
> Ludo’.
>
>
> --- End Message ---