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Re: 07/07: guix: python-build-system: Fix an outdated comment.
From: |
Ludovic Courtès |
Subject: |
Re: 07/07: guix: python-build-system: Fix an outdated comment. |
Date: |
Sun, 16 Oct 2016 00:16:27 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
Danny Milosavljevic <address@hidden> skribis:
>> Sorry, I didn't realize that altering comments here would have an
>> effect; I would have warned Hartmut if I had.
>
> Out of curiousity, why does it have an effect?
The file is imported in the build environment (chroot) of all the
packages that use ‘python-build-system’. It’s an input of the
derivation of those packages, so when it changes, all these derivations
change.
Hartmut Goebel <address@hidden> skribis:
>> Sorry, I didn't realize that altering comments here would have an
>> effect; I would have warned Hartmut if I had.
>
> I'm sorry, too. I didn't expect that changing a comment would have any
> impact on building packages. Aren't the the files converted to some
> canonical form prior to deciding whether they changed?
No. There’s no “decision” as to whether they changed; instead, they
just happen to be part of the hash of the output file name.
That said, don’t be sorry gentlefolks: these things happen. ;-)
Ludo’.