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bug#53194: System test partition.img differs in size across hosts(?)
From: |
Maxim Cournoyer |
Subject: |
bug#53194: System test partition.img differs in size across hosts(?) |
Date: |
Sat, 05 Feb 2022 23:42:38 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hello,
Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
> Hi Tobias,
>
> [...]
>
>> diff --git a/gnu/build/image.scm b/gnu/build/image.scm
>> index bdd5ec25a9..81caa424f8 100644
>> --- a/gnu/build/image.scm
>> +++ b/gnu/build/image.scm
>> @@ -3,7 +3,7 @@
>> ;;; Copyright © 2016 Christine Lemmer-Webber <cwebber@dustycloud.org>
>> ;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
>> ;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
>> -;;; Copyright © 2020 Tobias Geerinckx-Rice <me@tobias.gr>
>> +;;; Copyright © 2020, 2022 Tobias Geerinckx-Rice <me@tobias.gr>
>> ;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
>> ;;;
>> ;;; This file is part of GNU Guix.
>> @@ -62,8 +62,10 @@ (define (size-in-kib size)
>>
>> (define (estimate-partition-size root)
>> "Given the ROOT directory, evaluate and return its size. As this doesn't
>> -take the partition metadata size into account, take a 25% margin."
>> - (* 1.25 (file-size root)))
>> +take the partition metadata size into account, take a 25% margin. As this
>> in
>> +turn doesn't take any constant overhead into account, force a 1-MiB
>> minimum."
>> + (max (ash 1 20)
>> + (* 1.25 (file-size root))))
>>
>> (define* (make-ext-image partition target root
>> #:key
>
> Looks reasonable to me (although it is interesting that the behavior is
> not the same across machines...).
>
> While at it, you may want to fix this docstring:
>
> (define (file-size file)
> - "Return the size of bytes of FILE, entering it if FILE is a directory."
> + "Return the size in bytes of FILE, entering it if FILE is a directory."
> (file-system-fold (const #t)
> (lambda (file stat result) ;leaf
> (+ (stat:size stat) result))
>
> in guix/build/store-copy.scm.
FYI, I pushed this workaround in
3c3c9d259f87fbc8c1d9551af32e79f9f168f596.
Thanks,
Maxim