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[bug#44039] [PATCH] gnu: Add slade.

From: Ludovic Courtès
Subject: [bug#44039] [PATCH] gnu: Add slade.
Date: Wed, 28 Oct 2020 15:54:31 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)


Tobias Geerinckx-Rice <> skribis:

> The following made multiple builds on one machine identical, but was
> not consistent between file systems, probably due to readdir order:
> + (add-before 'build 'reset-slade.pk3-timestamps
> +   ;; This appears sufficient to make slade.pk3 reproducible.
> +   (lambda _
> +     (invoke "find" "../source/dist/res" "-exec" "touch"
> +             "--no-dereference" "-t" "197001010000.00" "{}" "+")))

It’s surprising that this is necessary because the ‘unpack’ phase copies
the source directory preserving the mtime of files and since those files
are in the store, their mtime is 1:

        ;; Preserve timestamps (set to the Epoch) on the copied tree so that
        ;; things work deterministically.
        (copy-recursively source "."
                          #:keep-mtime? #t)


Anyhow, we can probably push v2.


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