GNU bug report logs - #33285
Installing, then removing, a package yields a different profile

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: Chris Marusich <cmmarusich <at> gmail.com>, 33285 <at> debbugs.gnu.org
Subject: bug#33285: Installing, then removing, a package yields a different profile
Date: Wed, 06 Feb 2019 14:19:26 +0100

Ludovic Courtès <ludo <at> gnu.org> skribis:

> Actually, to do things correctly, we should really store the .drv in the
> ‘manifest’ file.  That way, manifest entries would always contains a
> valid “lowerable” object (a package or a derivation record), as opposed
> to a store reference that happens to be valid.

On second thought that’s probably not a great idea: we’d retain
references to the .drv themselves, which can end up taking a bit of
space, especially if --gc-keep-outputs is in use.

So… the more I think about it the more I’m tempted to punt on this one.

The discrepancy we see here does not happen when using --manifest, which
is probably what matters most.

Thoughts?

Ludo’.

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