Gentoo Archives: gentoo-portage-dev

From: "Michał Górny" <mgorny@g.o>
To: gentoo-portage-dev@l.g.o, Fabian Groffen <grobian@g.o>
Cc: Joakim Tjernlund <Joakim.Tjernlund@××××××××.com>
Subject: Re: [gentoo-portage-dev] In what phase are file "merged"?
Date: Wed, 23 Jun 2021 11:34:06
Message-Id: 01417c1b549ef334aa3451be3b19ceb0fca2ea8f.camel@gentoo.org
In Reply to: Re: [gentoo-portage-dev] In what phase are file "merged"? by Ulrich Mueller
1 On Wed, 2021-06-23 at 12:40 +0200, Ulrich Mueller wrote:
2 > > > > > > On Wed, 23 Jun 2021, Fabian Groffen wrote:
3 >
4 > > On 23-06-2021 08:47:58 +0200, Ulrich Mueller wrote:
5 > > > It's somewhat hidden, but it's there:
6 > > > https://projects.gentoo.org/pms/8/pms.html#x1-950009.1.10
7 > > >
8 > > > 9.1.10 pkg_preinst
9 > > > ... immediately before merging the package to the live filesystem.
10 > > > ...
11 > > >
12 > > > 9.1.11 pkg_postinst
13 > > > ... immediately after merging the package to the live filesystem.
14 > > > ...
15 >
16 > > Aha, so does this mean pkg_prerm and pkg_postrm are run with
17 > > replacing
18 > > package in place, e.g. if they refer to scripts installed by the
19 > > replaced package they may no longer exist or be the same?
20 >
21 > PMS has similar wording for pkg_prerm and pkg_postrm, so (at least
22 > according to the spec) the old package will still be present in
23 > pkg_prerm and will be gone in pkg_postrm.
24 >
25 > I don't think that the ebuild can rely on any particular status of the
26 > new package in pkg_*rm (of the old package), or the status of the old
27 > package in pkg_*inst (of the new package).
28
29 I would even say that it can't rely on the particular status of the old
30 package in any case, if it's meant to be removed. In particular, its
31 dependencies can be unmerged before the package itself.
32
33 --
34 Best regards,
35 Michał Górny

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Re: [gentoo-portage-dev] In what phase are file "merged"? Joakim Tjernlund <Joakim.Tjernlund@××××××××.com>