GNU bug report logs - #72457
[PATCH 00/15] Rewrite bootloader subsystem.

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Message #59 received at 72457 <at> debbugs.gnu.org (full text, mbox):

From: Tomas Volf <~@wolfsden.cz>
To: Lilah Tascheter <lilah <at> lunabee.space>
Cc: 72457 <at> debbugs.gnu.org
Subject: Re: [PATCH 07/15] gnu: system: Fix bootloader crypto device
 recognition.
Date: Sun, 4 Aug 2024 11:22:29 +0200

[Message part 1 (text/plain, inline)]

On 2024-08-03 22:55:27 -0500, Lilah Tascheter wrote:
> * gnu/system.scm (operating-system-bootloader-crypto-devices): Check for
>   luks-device-mapping-with-options in addition to luks-device-mapping.
>
> Change-Id: Iafc9afe608640b97083c4d559c9240846330472a
> ---
>  gnu/system.scm | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/gnu/system.scm b/gnu/system.scm
> index 66c1a80733..8926e1b065 100644
> --- a/gnu/system.scm
> +++ b/gnu/system.scm
> @@ -400,10 +400,11 @@ (define operating-system-bootloader-crypto-devices
>    (mlambdaq (os)                        ;to avoid duplicated output
>      "Return the sources of the LUKS mapped devices specified by UUID."
>      ;; XXX: Device ordering is important, we trust the returned one.
> -    (let* ((luks-devices (filter (lambda (m)
> -                                   (eq? luks-device-mapping
> -                                        (mapped-device-type m)))
> -                                 (operating-system-boot-mapped-devices os)))
> +    (let* ((luks? (lambda (m) (let ((t (mapped-device-type m)))
> +                                (or (eq? luks-device-mapping t)
> +                                    (eq? luks-device-mapping-with-options t)))))

I think this will not work as expected.  luks-device-mapping-with-options is a
procedure to be called, not an object you can eq? against.

Typical use case:

          (mapped-device
           (source "/dev/sdb1)
           (target "data)
           (type (luks-device-mapping-with-options
                  #:key-file "/crypto.key")))

> +           (luks-devices (filter luks?
> +                           (operating-system-boot-mapped-devices os)))
>             (uuid-crypto-devices non-uuid-crypto-devices
>                                  (partition (compose uuid? mapped-device-source)
>                                             luks-devices)))
> --
> 2.45.2
>
>

--
There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.

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