GNU bug report logs - #40207
[PATCH 0/2] Add a desktop graphical installer test.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Mathieu Othacehe <m.othacehe <at> gmail.com>
Cc: 40207 <at> debbugs.gnu.org
Subject: [bug#40207] [PATCH 2/2] tests: install: Add %test-gui-installed-desktop-os-encrypted.
Date: Wed, 25 Mar 2020 22:41:11 +0100

Hi!

Mathieu Othacehe <m.othacehe <at> gmail.com> skribis:

>> What about making a separate OS definition for the desktop installation
>> case?  We’d move the ‘os’ variable to the top-level and add an ‘os’
>> parameter to ‘guided-installation-test’.
>>
>> Having two separate OS definitions (one for desktop install, one for
>> “bare-bones” install) should be clearer than having a single definition
>> with conditionals.
>
> I fixed all your remarks. But there's still an issue, the size of the
> installation image is guessed badly in "run-install" for
> "%test-gui-installed-desktop-os-encrypted"
>
> (image  (system-disk-image
>          (operating-system-with-gc-roots
>           os (list target))
>          #:disk-image-size 'guess ;guess is too low.
>          #:file-system-type
>          installation-disk-image-file-system-type)))
>
>
> applying the dirty snippet below fixes it, but you may have a better idea?
>
> --- a/gnu/build/vm.scm
> +++ b/gnu/build/vm.scm
> @@ -233,7 +233,7 @@ deduplicates files common to CLOSURE and the rest of PREFIX."
>    "Return the estimated size of a partition that can store the store items
>  given by GRAPHS, a list of file names produced by #:references-graphs."
>    ;; Simply add a 25% overhead.
> -  (round (* 1.25 (closure-size graphs))))
> +  (round (* 1.30 (closure-size graphs))))

Weird, the 25% hack had always worked fine.

I don’t have a better idea though.  Perhaps it’s better to pass an
explicit size in ‘run-install’ than to modify the 25% hack above?

Thanks,
Ludo’.

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