#1013992 ITP: session-migration -- tool to migrate in user session settings

Package:
wnpp
Source:
wnpp
Submitter:
Jeremy Bicha
Date:
2023-04-09 18:24:09 UTC
Severity:
wishlist
#1013992#5
Date:
2022-06-28 15:02:29 UTC
From:
To:
Package Name: session-migration
Version: 0.3.7
Upstream Author: Canonical
License: LGPL-3+
Programming Lang: Perl and C

Package: session-migration
Description: Tool to migrate in user session settings
 This tool is used to migrate in session user data when a program is evolving
 its configuration, or needing to have files moved and so on.
 .
 This program is generally autostarted at the very beginning of the session
 and integrates caching capability.

Package: dh-migrations
Provides: dh-sequence-migrations
Description: debhelper extension for session-migration support
 This package provides a debhelper extension to perform session migration
 operations on the installed packages.

Other Info
--------------
This has been part of Ubuntu for a decade but can solve real problems
for Debian too. It will soon be used by both the GNOME and MATE
packaging teams. One of its usecases is migrating user-set gsettings
to renamed (or functionally similar new) gsettings keys. Often,
upstream doesn't handle this migration themselves. And debhelper
otherwise doesn't provide a tool for this.

Basically, the way it works is that the package maintainer can provide
a script. The script will be run at the next login and
session-migration will ensure that the script is only run once.

https://manpages.ubuntu.com/manpages/dh_migrations

This is a "native" package and will be maintained by the Ayatana
Packagers team. Packaging is at
https://salsa.debian.org/debian-ayatana-team/session-migration

Thanks,
Jeremy Bicha
#1013992#10
Date:
2022-06-28 15:47:55 UTC
From:
To:
Hi Jeremy

It is awesome seeing progress on this. Actually, I'll have to
investigate the session-migration code soon and find out whether it
can be used on / ported to openSUSE, as well.

Thanks + Greets,
Mike
#1013992#15
Date:
2022-06-28 16:07:27 UTC
From:
To:
Quoting Jeremy Bicha (2022-06-28 17:02:29)
whereas long description talks about "in session user data".

Should it perhaps be changed "in session user settings" in short
description?


 - Jonas
#1013992#20
Date:
2022-06-28 18:36:52 UTC
From:
To:
https://manpages.ubuntu.com/session-migration

So how about "Tool to migrate in-session user data"?

Thank you,
Jeremy Bicha
#1013992#25
Date:
2022-06-28 18:50:44 UTC
From:
To:
I'd expect that the 'session-migration' binary package would work
fine. It's a C "script" and a systemd user service.

You might want to write an RPM implementation to do what dh-migrations
does: install scripts listed in a migrations file and add a binary
dependency on session-migration. It's not required but it's a
convenience for distro packagers.

And then we'd need to update the build to not build and test the
Debian support when not being built for a Debian-compatible system.

Thank you,
Jeremy Bicha
#1013992#30
Date:
2022-06-28 19:43:32 UTC
From:
To:
Quoting Jeremy Bicha (2022-06-28 20:36:52)

Sounds good to me - but I am not a native english speaker, so what
intuitively feels good to me might be off: I am better at noticing
things off than known when things are in balance.


 - Jonas
#1013992#35
Date:
2022-06-29 00:07:13 UTC
From:
To:
Hi!

This looks like an extremely generic name for such tool and package,
when it appears to be restricted to gsettings session data only?

This also seems extremely generic. Migrations could refer to anything,
from databases, to any other data source. Something like
dh-gsettings-migrations seems like would be way better?

Thanks,
Guillem
#1013992#40
Date:
2022-06-29 01:51:44 UTC
From:
To:
Here's an example where it's used for something else:
https://salsa.debian.org/gnome-team/gnome-boxes/-/commit/b536a968eb192

It would be nice if the upstream developers would handle user session
migrations tasks themselves, but they often don't.
about 6 current Ubuntu source packages so a rename is doable if
needed. I think I wouldn't even need a transitional package since we'd
rebuild all those Ubuntu packages which would get them the properly
named dependency.

Here's a suggestion:
user-session-migration
dh-migrate-user-session Providing dh-sequence-migrate-user-session

Thank you,
Jeremy Bicha
#1013992#45
Date:
2022-07-06 22:13:45 UTC
From:
To:
I didn't get a reply yet and we need to make a decision.

Thank you,
Jeremy Bicha
#1013992#50
Date:
2022-07-06 22:45:29 UTC
From:
To:
Il 29/06/2022 03:51, Jeremy Bicha ha scritto:

Hi, this seems really interesting, can be useful in some rare cases, I
don't remember I've ever seen it before.

However, I have a doubt, but it allow you to do any operation on user
profiles? in this case, even if it is useful, its wrong use (intentional
or by mistake) would be worrying
#1013992#55
Date:
2022-07-06 22:50:16 UTC
From:
To:
Yes, it can do anything. .deb packages don't really have limits. You
must trust the .deb publisher. Otherwise, you can use something like
Snap which has significant restrictions on what Snap publishers can do
with the apps they publish.

Thanks,
Jeremy Bicha
#1013992#60
Date:
2022-07-07 08:58:11 UTC
From:
To:
Ah thanks, looking into it, it seems more generic indeed.

Personally I'd perhaps try to keep both names consistent, also
the name you propose for the dh helper looks as if it would be
performing the migration itself which can be misleading, so perhaps
something like dh-user-session-migration would be better? In any case
I'd take either (or similar variants) over dh-migrations. :)

Thanks,
Guillem
#1013992#65
Date:
2023-02-10 14:59:30 UTC
From:
To:
Sorry for the delay. I'm uploading this to the NEW queue now with your
suggestion:
user-session-migration
dh-user-session-migration Providing dh-sequence-user-session-migration

Thank you,
Jeremy Bícha
#1013992#70
Date:
2023-04-09 18:00:17 UTC
From:
To:
We believe that the bug you reported is fixed in the latest version of
user-session-migration, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1013992@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Jeremy Bicha <jbicha@ubuntu.com> (supplier of updated user-session-migration package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Wed, 05 Apr 2023 16:38:41 -0400
Source: user-session-migration
Binary: dh-user-session-migration user-session-migration user-session-migration-dbgsym
Architecture: source all amd64
Version: 0.4.0
Distribution: experimental
Urgency: medium
Maintainer: Ayatana Packagers <pkg-ayatana-devel@lists.alioth.debian.org>
Changed-By: Jeremy Bicha <jbicha@ubuntu.com>
Description:
 dh-user-session-migration - debhelper extension for user-session-migration support
 user-session-migration - Tool to migrate in-session user data
Closes: 1013992
Changes:
 user-session-migration (0.4.0) experimental; urgency=medium
 .
   * Initial release to Debian (Closes: #1013992)
   * Rename to user-session-migration per debian-devel feedback.
     This means the dh helper is now user-session-migration and you
     can Build-Depend on dh-sequence-user-session-migration to use it.
   * Drop obsolete upstart support; there's already a systemd user service
   * Update debian/copyright
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#1013992#75
Date:
2023-04-09 18:20:57 UTC
From:
To:
We believe that the bug you reported is fixed in the latest version of
user-session-migration, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1013992@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Jeremy Bícha <jbicha@ubuntu.com> (supplier of updated user-session-migration package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sun, 09 Apr 2023 14:06:15 -0400
Source: user-session-migration
Built-For-Profiles: noudeb
Architecture: source
Version: 0.4.1
Distribution: unstable
Urgency: medium
Maintainer: Ayatana Packagers <pkg-ayatana-devel@lists.alioth.debian.org>
Changed-By: Jeremy Bícha <jbicha@ubuntu.com>
Closes: 1013992
Changes:
 user-session-migration (0.4.1) unstable; urgency=medium
 .
   * Release to unstable
 .
 user-session-migration (0.4.0) experimental; urgency=medium
 .
   * Initial release to Debian (Closes: #1013992)
   * Rename to user-session-migration per debian-devel feedback.
     This means the dh helper is now user-session-migration and you
     can Build-Depend on dh-sequence-user-session-migration to use it.
   * Drop obsolete upstart support; there's already a systemd user service
   * Update debian/copyright
 .
 session-migration (0.3.6) jammy; urgency=medium
 .
   * Have dh-migrations Provide dh-sequence-migrations
   * Build-Depend on debhelper-compat 13
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