Sender: =?UTF-8?Q?Timo_Ter=C3=A4s?= <timo.teras@gmail.com>
Date: Fri, 26 Aug 2016 11:04:02 +0300
From: Timo Teras <timo.teras@iki.fi>
To: Alba Pompeo <albapompeo@gmail.com>
Cc: alpine-devel@lists.alpinelinux.org
Subject: Re: [alpine-devel] Moving packages between repositories break
 systems
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On Thu, 25 Aug 2016 23:15:11 -0300
Alba Pompeo <albapompeo@gmail.com> wrote:

> When a package is moved from /testing to /community or /testing to
> /unmaintained out of nowhere, users experience system breakage.
> 
> That's because it loses the pinning.
> 
> What can be done to prevent this?
> Post-scripts when a package is moved?

Do you have example logs?

I remember seeing something similar before. And the actual cause was
that abuild and/or lua-aports did not update the index when repository
was updated with package removals only. This left index having stale
entries.

This said, lua-aports fix might be as simple as:

diff --git a/buildrepo.lua b/buildrepo.lua
index c665711..bf0f39a 100755
--- a/buildrepo.lua
+++ b/buildrepo.lua
@@ -239,7 +239,7 @@ for _,repo in pairs(args) do
        end
 
        -- generate new apkindex
-       if not opts.n and built > 0 then
+       if not opts.n and (built > 0 or deleted > 0) then
                info("Updating apk index")
                apkrepo.update_index(("%s/%s"):format(repodest, repo),
                                abuild.arch, db:git_describe())


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