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[bug#66640] [PATCH 0/2] Build profile hooks for the right system
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From: |
Ludovic Courtès |
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Subject: |
[bug#66640] [PATCH 0/2] Build profile hooks for the right system |
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Date: |
Mon, 23 Oct 2023 21:53:06 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) |
Simon Tournier <zimon.toutoune@gmail.com> skribis:
> Do I understand correctly when I consider that
> ’(efi-bootloader-profile-hook manifest)’ pass #false as ’system’ and
> then it is ’set-guile-for-build’ that sets ’(%current-system)’?
Yes.
> Somehow, my question is about the readability of default values.
>
> Why not,
>
> #:system (or system (%current-system))
>
> for all the hooks?
Because that value would be captured at call time rather than at
monadic-bind time. See Josselin’s excellent explanation of this trap:
https://issues.guix.gnu.org/65225#4-lineno34
HTH!
Ludo’.