Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Ralf Corsepius]

On 12/02/2017 02:35 AM, Kevin Kofler wrote:

Vít Ondruch wrote:

This is big and old-school hammer. If you did "git cherry-pick" instead,
you could get most of the changes you did in master without the
branches. Also, merging means that you get into older (or EPEL) branches
stuff like changelogs from mass rebuild, which should not be there IMO.


Cherry-picking and diverging changelogs mean one keeps having to manually
fix conflicts. With the one specfile with conditionals, I only have to do a
fast-forward merge and build, which is a lot more convenient.


Until you get confused by conditionals' magic, bitten by unexpected 
behavior, bugs or compatibility problems in the different verions of rpm 
or rpm-macros.


That said, I prefer avoiding conditionals and prefer clean, 
"one-spec-per release" rpm.specs.



But keep in mind that I don't do EPEL, so my conditionals are few and far
between, and I will remove conditionals for EOL Fedora releases.


So do I. IMHO, mixing epel specs with fedoras specs is a lost battle. 
It's error-prone at best and hardly possible in "more than trivial" cases.


Ralf
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Dne 2.12.2017 v 02:35 Kevin Kofler napsal(a):
> Vít Ondruch wrote:
>> This is big and old-school hammer. If you did "git cherry-pick" instead,
>> you could get most of the changes you did in master without the
>> branches. Also, merging means that you get into older (or EPEL) branches
>> stuff like changelogs from mass rebuild, which should not be there IMO.
> Cherry-picking and diverging changelogs mean one keeps having to manually 
> fix conflicts.

This is not true. You have to fix it just once and the following
changelog entries will apply cleanly.

V.
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Miroslav Suchý]

Dne 30.11.2017 v 09:49 Vít Ondruch napsal(a):
> Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:
> 
> 1) single version of .spec file to cover the whole Red Hat ecosystem.

I belong to this camp.

Especially if you are a developer of layered application, which is not part of 
Fedora itself (Spacewalk, Zimbra, ...),
then Rawhide it too much-moving target and those developers only develop for 
EPEL and stable Fedoras and merely a bonus.
No one of those developers actually thinks about Rawhide. There is no capacity 
for that.

> To sum this up, my take on packaging guidelines is that *the guidelines
> should document the most recent practices available in Rawhide and this
> should be documented*.

+1

> Covering all the exceptions necessary for older
> Fedoras (not even mentioning RHEL/EPEL) makes the guidelines unreadable
> and what is worse, they slow down entire development of Fedora.

-1

This guideline is not only used by Fedora developers (though it is the target 
group), but it is also used by developers
who develop their application on top of Fedora.

Those exceptions are usually not big. Epel is mentioned in main guidelines 
twice. Exception for older Fedoras in your
Ruby draft is just three lines plus one snippet. Not big impact for us and on 
the other hand, it helps 3rd party
developers a lot.

Versioned Guidelines will not help too much as 3rd party developers do not 
develop *just* for Fedora 26. Or *just* for
EPEL 6. What they need is the difference between those versions.
I thought about using a tagged version in History tab, but that does not help. 
This is a diff against six months older
version of the same document:
https://fedoraproject.org/w/index.php?title=Packaging%3AGuidelines=revision=505164=490812

Mirek

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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Kevin Kofler]

Vít Ondruch wrote:
> This is big and old-school hammer. If you did "git cherry-pick" instead,
> you could get most of the changes you did in master without the
> branches. Also, merging means that you get into older (or EPEL) branches
> stuff like changelogs from mass rebuild, which should not be there IMO.

Cherry-picking and diverging changelogs mean one keeps having to manually 
fix conflicts. With the one specfile with conditionals, I only have to do a 
fast-forward merge and build, which is a lot more convenient.

But keep in mind that I don't do EPEL, so my conditionals are few and far 
between, and I will remove conditionals for EOL Fedora releases.

Kevin Kofler
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Dominik 'Rathann' Mierzejewski]

On Friday, 01 December 2017 at 11:39, Vít Ondruch wrote:
[...]
> What I really want to answer is the question in $SUBJECT, since the
> scope of guidelines is not specified anywhere. It seems that FPC itself
> does not know what releases they target and my guidelines update [1] is
> stuck in review just because of this.

It is my understanding that the unwritten rule is that the guidelines
are targeted at rawhide and we (FPC) try to maintain notes documenting
which releases need exceptions or don't support some things.

> The packaging style is very related of course. If the philosophy of
> Fedora/EPEL was "every change goes into every branch" then the
> guidelines should probably cover all the branches and discuss all the
> differences. But the update policy [2] says the opposite: "we should
> avoid major updates of packages within a stable release. Updates should
> aim to fix bugs, and not introduce features, particularly when those
> features would materially affect the user or developer experience". So
> saying that majority of people supports all the branches is against the
> policy IMO.

Now you're stretching it in my opinion. "Supporting" stable releases
doesn't mean releasing every update made in rawhide to stable branches
as well. Fixing bugs is still "supporting" and I don't see why it would
be against the policy.

Regards,
Dominik
-- 
Fedora   https://getfedora.org  |  RPMFusion   http://rpmfusion.org
There should be a science of discontent. People need hard times and
oppression to develop psychic muscles.
-- from "Collected Sayings of Muad'Dib" by the Princess Irulan
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Dne 30.11.2017 v 17:32 Stephen John Smoogen napsal(a):
> On 30 November 2017 at 03:49, Vít Ondruch  wrote:
>> Hi all,
>>
>> Reading logs from yesterdays FPC meeting [1], I think we should discuss
>> what is actually purpose of packaging guidelines and which version of
>> Fedora/EPEL/RHEL they actually targets.
>>
>>
>> Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:
>>
>> 1) single version of .spec file to cover the whole Red Hat ecosystem.
>>
>> 2) clean .spec file following the latest and greatest packaging practices.
>>
>>
>> I personally belong to the group (2) and that is for several reasons:
>>
>> a) I use Rawhide on daily basis and I develop only for Rawhide. If I do
>> changes in older Fedoras, then it is typically just bug fixes and
>> honestly, that does not happen often (I am POC of ~200 packages and I
>> submitted just 40 updates during last year [2]). And in fact, this is
>> official philosophy of updates [3], not just mine.
>>
>> b) I spent time developing features which should simplify packaging (for
>> example in F27+, the RPM %setup macro can expand the .gem packages) and
>> I want to use these technologies to simplify my life and life of others.
>>
>> c) As a proven packager and person who typically does rebuild of Ruby
>> packages, I really hate the branched .spec files where nobody knows what
>> was the purpose of the branches, most of the branches are for obsolete
>> and unsupported releases etc. It is quite hard to apply any improvements
>> into such packages. Moreover it is not realistic to test them. If they
>> were maintained, it would be different story, but the reality is different.
>>
>>
>> Don't get me wrong, I understand that there are packagers who has just
>> handful of packages and it is better for them to maintain just single
>> .spec file with all the branches and I don't mind them as long as the
>> packages are really actively maintained. But this approach just don't
>> scale and should be exception and not recommended practice.
>>
>>
>> To sum this up, my take on packaging guidelines is that *the guidelines
>> should document the most recent practices available in Rawhide and this
>> should be documented*. Covering all the exceptions necessary for older
>> Fedoras (not even mentioning RHEL/EPEL) makes the guidelines unreadable
>> and what is worse, they slow down entire development of Fedora.
>>
> Honestly, I think the RHEL/EPEL part of your conversation is a Red
> Herring (aka not the real point).

What I really want to answer is the question in $SUBJECT, since the
scope of guidelines is not specified anywhere. It seems that FPC itself
does not know what releases they target and my guidelines update [1] is
stuck in review just because of this.

The packaging style is very related of course. If the philosophy of
Fedora/EPEL was "every change goes into every branch" then the
guidelines should probably cover all the branches and discuss all the
differences. But the update policy [2] says the opposite: "we should
avoid major updates of packages within a stable release. Updates should
aim to fix bugs, and not introduce features, particularly when those
features would materially affect the user or developer experience". So
saying that majority of people supports all the branches is against the
policy IMO.

Also, if the guidelines covered all the branches, the probably Rust
guidelines would not be approved yet ...


V.


[1] https://pagure.io/packaging-committee/issue/710
[2] https://fedoraproject.org/wiki/Updates_Policy#Philosophy
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Dne 30.11.2017 v 16:39 Matthew Miller napsal(a):
> On Thu, Nov 30, 2017 at 04:33:07PM +0100, Vít Ondruch wrote:
>> The EPEL number you are presenting are bit unrelated number. You should
>> compare how many "enhancement" and "bugfix" updates were submitted in
>> EPEL versus Fedora (and actually you can't evaluate Fedora correctly
>> since there are no updates in Rawhide). In my domain (Ruby packages),
>> there are plenty of changes in packages in Fedora, mainly in Rawhide,
>> less in stable releases. In EPEL, there typically happens just one
>> single import and then the package stays in that state forever.
> How so? I'm not counting updates — these connection counts show
> repodata queries, so they happen even if there are no updates. My point
> here wasn't amount of change, but number of users.

For me it matters how many times I have to touch the package in Rawhide
and how many times in other branches. If I have in .spec file the
conditionals for older branches but in reality I don't touch them,
because I don't update the old branches, then the conditionals are not
just useless but harmful, because they make the .spec file less
readable, they prevent automated changes in packages etc. This way we
just build technical debt.


>
> That said, I think EPEL _and_ Fedora OS users would benefit from being
> able to choose between having frequently updated Ruby packages _or_ the
> "single import, stays in that state barring a serious security issue"
> without having that choice be dependent on the base operating system.
>
>

But then comes upstream which says "ah, we don't support Ruby from RHEL
7 anymore, just because we don't test it" and they put some version
restriction somewhere. Then it is not EPEL or Fedora choice. This
inevitably happens during the RHEL lifecycle and again, since that
moment the conditions in .spec file are useless and just builds the
technical debt.


Vít
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Stephen John Smoogen]

On 30 November 2017 at 03:49, Vít Ondruch  wrote:
> Hi all,
>
> Reading logs from yesterdays FPC meeting [1], I think we should discuss
> what is actually purpose of packaging guidelines and which version of
> Fedora/EPEL/RHEL they actually targets.
>
>
> Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:
>
> 1) single version of .spec file to cover the whole Red Hat ecosystem.
>
> 2) clean .spec file following the latest and greatest packaging practices.
>
>
> I personally belong to the group (2) and that is for several reasons:
>
> a) I use Rawhide on daily basis and I develop only for Rawhide. If I do
> changes in older Fedoras, then it is typically just bug fixes and
> honestly, that does not happen often (I am POC of ~200 packages and I
> submitted just 40 updates during last year [2]). And in fact, this is
> official philosophy of updates [3], not just mine.
>
> b) I spent time developing features which should simplify packaging (for
> example in F27+, the RPM %setup macro can expand the .gem packages) and
> I want to use these technologies to simplify my life and life of others.
>
> c) As a proven packager and person who typically does rebuild of Ruby
> packages, I really hate the branched .spec files where nobody knows what
> was the purpose of the branches, most of the branches are for obsolete
> and unsupported releases etc. It is quite hard to apply any improvements
> into such packages. Moreover it is not realistic to test them. If they
> were maintained, it would be different story, but the reality is different.
>
>
> Don't get me wrong, I understand that there are packagers who has just
> handful of packages and it is better for them to maintain just single
> .spec file with all the branches and I don't mind them as long as the
> packages are really actively maintained. But this approach just don't
> scale and should be exception and not recommended practice.
>
>
> To sum this up, my take on packaging guidelines is that *the guidelines
> should document the most recent practices available in Rawhide and this
> should be documented*. Covering all the exceptions necessary for older
> Fedoras (not even mentioning RHEL/EPEL) makes the guidelines unreadable
> and what is worse, they slow down entire development of Fedora.
>

Honestly, I think the RHEL/EPEL part of your conversation is a Red
Herring (aka not the real point).

You are wanting people to follow your method of packaging everything
because it makes your job easier. The problem is that other packagers
want you to follow their method and that makes your job harder. EPEL
versions stand out like a sore thumb of wanting that but even the
differences between getting something working in F25 and F28 can be
quite a bunch of %if strings which makes your job harder. On the other
hand, other people aren't interested in Rawhide and want all that.

The problem is an age old one and one that comes up after every couple
of releases. I think the EPEL group have tried a lot of different
solutions which try to help on this

1. If a package is not maintainable to the developer, stop maintaining
it. At the moment, it will be removed from usage. People wanting it
can get it from various archives.
2. Tibbs has gone through several herculian efforts to backport as
much of the new FPC macros and such to older EPEL's so that newer
schemes can work.
3. We are open to suggestions of what maintainers and developers want
or do not want out of the repository.

>
> Vít
>
>
>
> [1]
> https://lists.fedoraproject.org/archives/list/packag...@lists.fedoraproject.org/message/QDQ42LRLCP5NOIFSAMUDMP6ZUH3AAHKN/
>
> [2] https://bodhi.fedoraproject.org/updates/?user=vondruch
>
> [3] https://pagure.io/packaging-committee/issue/710
>
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-- 
Stephen J Smoogen.
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Matthew Miller]

On Thu, Nov 30, 2017 at 04:33:07PM +0100, Vít Ondruch wrote:
> The EPEL number you are presenting are bit unrelated number. You should
> compare how many "enhancement" and "bugfix" updates were submitted in
> EPEL versus Fedora (and actually you can't evaluate Fedora correctly
> since there are no updates in Rawhide). In my domain (Ruby packages),
> there are plenty of changes in packages in Fedora, mainly in Rawhide,
> less in stable releases. In EPEL, there typically happens just one
> single import and then the package stays in that state forever.

How so? I'm not counting updates — these connection counts show
repodata queries, so they happen even if there are no updates. My point
here wasn't amount of change, but number of users.

That said, I think EPEL _and_ Fedora OS users would benefit from being
able to choose between having frequently updated Ruby packages _or_ the
"single import, stays in that state barring a serious security issue"
without having that choice be dependent on the base operating system.


-- 
Matthew Miller

Fedora Project Leader
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Dne 30.11.2017 v 16:15 Richard Shaw napsal(a):
> On Thu, Nov 30, 2017 at 8:18 AM, Kevin Kofler  > wrote:
>
> Vít Ondruch wrote:
> > Apparently, there are two camps of packagers in Fedora/EPEL.
> Those who
> > want:
> >
> > 1) single version of .spec file to cover the whole Red Hat
> ecosystem.
> >
> > 2) clean .spec file following the latest and greatest packaging
> practices.
>
> I am actually inbetween: I want a single version of the .spec file
> to cover
> all Fedora releases (and I care a lot about that, since I will
> push updates
> to all releases if they do not contain any breaking changes that
> break user
> expectations), but I do NOT want to support the ancient EL
> releases (which
> is a pleonasm, i.e., even the most recent EL is ancient by Fedora
> standards).
>
>
> I pretty much fall into camp #1 as well. Most of the packages I
> maintain are end user applications and there's usually no reason to
> NOT update all supported releases of Fedora and EPEL, so my workflow
> is generally:
>
> 1. Update rawhide (pseudo branch "n") and make sure the build
> completes before doing any other builds.
> 2. fedpkg switch-branch 
> 3. git merge master

This is big and old-school hammer. If you did "git cherry-pick" instead,
you could get most of the changes you did in master without the
branches. Also, merging means that you get into older (or EPEL) branches
stuff like changelogs from mass rebuild, which should not be there IMO.

You would be surprised, that by cherry-picking, I am able to get most of
the Fedora changes into Red Hat Software Collections although the .spec
files might differ in places significantly mainly due to SCL macros.


Vít

> && git push && fedpkg build --nowait
> 4. Wash / rinse / repeat 2 & 3 for each supported branch.
>
> I also do the same for libraries for MINOR non-abi breaking releases.
>
> Thanks,
> Richard
>
>
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Dne 30.11.2017 v 16:02 Matthew Miller napsal(a):
> On Thu, Nov 30, 2017 at 09:49:14AM +0100, Vít Ondruch wrote:
>> Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:
>> 1) single version of .spec file to cover the whole Red Hat ecosystem.
>> 2) clean .spec file following the latest and greatest packaging practices.
>
> Here's my take: how much impact on the world do you want to have? Are
> you doing this just for yourself, or to help other people? With that in
> mind, take a look at the relative use in the world of Fedora and EPEL:
>
>   https://twitter.com/mattdm/status/936243506355621888
>
> and considering the velociraptor's comment, my anecdotal sense is that
> use of NAT and proxies at large institutions using enterprise distros
> _probably_ makes the red EPEL line even higher.
>
> For those of you who prefer ASCII art to graphics, here's an
> approximation of this chart:
> e
>e
>   e
> ee
>   ee
>   
>eee
>  ee
>  
>  
>     f
>  feeffff
> fe   
>  fff   ee
> eee
> 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
>
>
> Particularly in the last few years, Fedora as an OS is doing well. But
> use of EPEL by our downstreams is growning even more dramatically. Of
> course, I want Fedora OS growth, but the impact we have is _way_ beyond
> that, and I'd really like us to think of _Fedora_ as beyond just the
> base OS, too.
>
> I definitely get the point, though, about it being annoying to have to
> carry ancient kludges for ten years, or to not be able to take
> advantage of new packaging technologies until the downstreams have
> caught up. I don't discount the impact we have by making improvements
> that eventually trickle down, too — we make our downstreams better with
> our fast-moving development work as well as by providing a universe of
> additional software.
>
> We *could* decide to just focus on one at the exclusion of the other —
> drop EPEL and just work on the latest rolling release stuff. Or, we
> could say that we need to dial back the packaging improvements and make
> everyone focus on ecosystem compatibility.
>
> Instead, I'd like to focus effort on bringing the stuff we need to the
> enterprise distributions more quickly. And I think we need to figure
> out how to make Fedora/EPEL packages on EL without needing to promise
> an EL-equivalent maintenance period — that's not reasonable for many
> Fedora packagers.
>
> But we can make this better. Let's work with the downstreams to that.
> And, let's use automation to identify and correct problem areas.
> (Hopefully not surprisingly, this is one of my top requests for the
> whole Modularity effort. It should make this *easy*.)
>

The EPEL number you are presenting are bit unrelated number. You should
compare how many "enhancement" and "bugfix" updates were submitted in
EPEL versus Fedora (and actually you can't evaluate Fedora correctly
since there are no updates in Rawhide). In my domain (Ruby packages),
there are plenty of changes in packages in Fedora, mainly in Rawhide,
less in stable releases. In EPEL, there typically happens just one
single import and then the package stays in that state forever.

And actually, this is the biggest downside of entire EPEL, it is not
obvious if EPEL should have the most recent packages or stick with one
version forever. And while you might say that the package should follow
upstream and be updated to the same version as in Fedora, this effort
typically fails as soon as Fedora diverges too far. And then the Rawhide
developers have to still deal with EPEL macros which are not useful for
Fedora and not even for EPEL.

So I agree on the point that "we need to figure out how to make
Fedora/EPEL packages on EL without needing to promise
an EL-equivalent maintenance period". But disagree with "that's not
reasonable for many Fedora packagers.", because this is in turn not
reasonable for EPEL itself, since new versions of RHEL inherits from Fedora.


Vít
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Richard Shaw]

On Thu, Nov 30, 2017 at 8:18 AM, Kevin Kofler 
wrote:

> Vít Ondruch wrote:
> > Apparently, there are two camps of packagers in Fedora/EPEL. Those who
> > want:
> >
> > 1) single version of .spec file to cover the whole Red Hat ecosystem.
> >
> > 2) clean .spec file following the latest and greatest packaging
> practices.
>
> I am actually inbetween: I want a single version of the .spec file to cover
> all Fedora releases (and I care a lot about that, since I will push updates
> to all releases if they do not contain any breaking changes that break user
> expectations), but I do NOT want to support the ancient EL releases (which
> is a pleonasm, i.e., even the most recent EL is ancient by Fedora
> standards).


I pretty much fall into camp #1 as well. Most of the packages I maintain
are end user applications and there's usually no reason to NOT update all
supported releases of Fedora and EPEL, so my workflow is generally:

1. Update rawhide (pseudo branch "n") and make sure the build completes
before doing any other builds.
2. fedpkg switch-branch 
3. git merge master && git push && fedpkg build --nowait
4. Wash / rinse / repeat 2 & 3 for each supported branch.

I also do the same for libraries for MINOR non-abi breaking releases.

Thanks,
Richard
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Matthew Miller]

On Thu, Nov 30, 2017 at 09:49:14AM +0100, Vít Ondruch wrote:
> Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:
> 1) single version of .spec file to cover the whole Red Hat ecosystem.
> 2) clean .spec file following the latest and greatest packaging practices.


Here's my take: how much impact on the world do you want to have? Are
you doing this just for yourself, or to help other people? With that in
mind, take a look at the relative use in the world of Fedora and EPEL:

  https://twitter.com/mattdm/status/936243506355621888

and considering the velociraptor's comment, my anecdotal sense is that
use of NAT and proxies at large institutions using enterprise distros
_probably_ makes the red EPEL line even higher.

For those of you who prefer ASCII art to graphics, here's an
approximation of this chart:
e
   e
  e
ee
  ee
  
   eee
 ee
 
 
    f
 feeffff
fe   
 fff   ee
eee
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017


Particularly in the last few years, Fedora as an OS is doing well. But
use of EPEL by our downstreams is growning even more dramatically. Of
course, I want Fedora OS growth, but the impact we have is _way_ beyond
that, and I'd really like us to think of _Fedora_ as beyond just the
base OS, too.

I definitely get the point, though, about it being annoying to have to
carry ancient kludges for ten years, or to not be able to take
advantage of new packaging technologies until the downstreams have
caught up. I don't discount the impact we have by making improvements
that eventually trickle down, too — we make our downstreams better with
our fast-moving development work as well as by providing a universe of
additional software.

We *could* decide to just focus on one at the exclusion of the other —
drop EPEL and just work on the latest rolling release stuff. Or, we
could say that we need to dial back the packaging improvements and make
everyone focus on ecosystem compatibility.

Instead, I'd like to focus effort on bringing the stuff we need to the
enterprise distributions more quickly. And I think we need to figure
out how to make Fedora/EPEL packages on EL without needing to promise
an EL-equivalent maintenance period — that's not reasonable for many
Fedora packagers.

But we can make this better. Let's work with the downstreams to that.
And, let's use automation to identify and correct problem areas.
(Hopefully not surprisingly, this is one of my top requests for the
whole Modularity effort. It should make this *easy*.)

-- 
Matthew Miller

Fedora Project Leader
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Kevin Kofler]

Vít Ondruch wrote:
> Apparently, there are two camps of packagers in Fedora/EPEL. Those who
> want:
> 
> 1) single version of .spec file to cover the whole Red Hat ecosystem.
> 
> 2) clean .spec file following the latest and greatest packaging practices.

I am actually inbetween: I want a single version of the .spec file to cover 
all Fedora releases (and I care a lot about that, since I will push updates 
to all releases if they do not contain any breaking changes that break user 
expectations), but I do NOT want to support the ancient EL releases (which 
is a pleonasm, i.e., even the most recent EL is ancient by Fedora 
standards).

Kevin Kofler
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Re: [Fedora-packaging] Which Fedora/EPEL is targeted by packaging guidelines?

[Igor Gnatenko]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On Thu, 2017-11-30 at 09:49 +0100, Vít Ondruch wrote:
> Hi all,
> 
> Reading logs from yesterdays FPC meeting [1], I think we should discuss
> what is actually purpose of packaging guidelines and which version of
> Fedora/EPEL/RHEL they actually targets.
> 
> 
> Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:
> 
> 1) single version of .spec file to cover the whole Red Hat ecosystem.
> 
> 2) clean .spec file following the latest and greatest packaging practices.

I'm one of these people too.

> 
> I personally belong to the group (2) and that is for several reasons:
> 
> a) I use Rawhide on daily basis and I develop only for Rawhide. If I do
> changes in older Fedoras, then it is typically just bug fixes and
> honestly, that does not happen often (I am POC of ~200 packages and I
> submitted just 40 updates during last year [2]). And in fact, this is
> official philosophy of updates [3], not just mine.
> 
> b) I spent time developing features which should simplify packaging (for
> example in F27+, the RPM %setup macro can expand the .gem packages) and
> I want to use these technologies to simplify my life and life of others.
> 
> c) As a proven packager and person who typically does rebuild of Ruby
> packages, I really hate the branched .spec files where nobody knows what
> was the purpose of the branches, most of the branches are for obsolete
> and unsupported releases etc. It is quite hard to apply any improvements
> into such packages. Moreover it is not realistic to test them. If they
> were maintained, it would be different story, but the reality is different.
> 
> 
> Don't get me wrong, I understand that there are packagers who has just
> handful of packages and it is better for them to maintain just single
> .spec file with all the branches and I don't mind them as long as the
> packages are really actively maintained. But this approach just don't
> scale and should be exception and not recommended practice.
> 
> 
> To sum this up, my take on packaging guidelines is that *the guidelines
> should document the most recent practices available in Rawhide and this
> should be documented*. Covering all the exceptions necessary for older
> Fedoras (not even mentioning RHEL/EPEL) makes the guidelines unreadable
> and what is worse, they slow down entire development of Fedora.

If we want to have compatibility, then we need to improve RPM (e.g. by
introducing new macro). All ruby/python/nodejs/rust packages look same, except
for versions and some special hacks for packages. Tibbs and Panu were proposing
some ideas how to make it better, so probably we should look into that
direction.

> 
> Vít
> 
> 
> 
> [1]
> https://lists.fedoraproject.org/archives/list/packaging@lists.fedoraproject.o
> rg/message/QDQ42LRLCP5NOIFSAMUDMP6ZUH3AAHKN/
> 
> [2] https://bodhi.fedoraproject.org/updates/?user=vondruch
> 
> [3] https://pagure.io/packaging-committee/issue/710
- -- 
- -Igor Gnatenko
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Re: [Fedora-packaging] Re: Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Dne 30.11.2017 v 10:35 nicolas.mail...@laposte.net napsal(a):
> Hi,
>
> I totally agree with the spirit, but that would require Red Hat taking a more 
> active role in backporting package tooling to RHEL/EPEL.
>
> Latest guidelines are always more efficient for everyone (Red Hat employees 
> includes), but all too often they can't be applied to EPEL because no one at 
> Red Hat pushed the corresponding rpm, mock, rpmdevtools, macro updates to 
> RHEL or EPEL :(
>
> The more packages Fedora ships the more inefficient it is to require 
> RHEL/EPEL packagers to use old guidelines in every spec files to avoid 
> tooling backports.
>
> Regards,
>

I think things are changing in Fedora as well as in Red Hat.

Fedora is more agile especially in regard of RPM development, but on the
other hand Red Hat will be always lacking behind due to RPM being
crucial piece of RHEL. On the other hand RHEL is more agile then it used
to be especially due to RHSCL. But also in other aspects, such as
rebases of key packages such as OpenSSL or even Kernel.

OTOH, speaking as a Ruby maintainer in Red Hat, the agility does not
make the situation with guidelines easier, since we cannot anymore say:
"Ah, EPEL7 was based on F19, so apply F19 guidelines". This is simply
because Ruby in RHEL 7.4 newly supports the same set of macros as Fedora
Rawhide, but does not support the provide/require generators due to RHEL
7 RPM limitations. And frankly, should I go to FPC asking for approving
(backward compatible) guideline changes due to change in RHEL? That does
not make any sense.

However, one day, if/when next RHEL comes, I want to see RHEL using the
latest and greatest technologies available in Fedora. I hope I can
generalize this into everybody in Red Hat. And this is another reason
why the guidelines should cover only Rawhide and should promote the most
recent technologies. If we are not going to use/promote the latest
advancements, there would be actually no reason for next RHEL at all. We
could just stay in distribution stone age forever.


Vít


[1] https://pagure.io/packaging-committee/issue/710
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Re: [Fedora-packaging] Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Dne 30.11.2017 v 09:49 Vít Ondruch napsal(a):
> Hi all,
>
> Reading logs from yesterdays FPC meeting [1], I think we should discuss
> what is actually purpose of packaging guidelines and which version of
> Fedora/EPEL/RHEL they actually targets.
>
>
> Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:
>
> 1) single version of .spec file to cover the whole Red Hat ecosystem.
>
> 2) clean .spec file following the latest and greatest packaging practices.
>
>
> I personally belong to the group (2) and that is for several reasons:
>
> a) I use Rawhide on daily basis and I develop only for Rawhide. If I do
> changes in older Fedoras, then it is typically just bug fixes and
> honestly, that does not happen often (I am POC of ~200 packages and I
> submitted just 40 updates during last year [2]). And in fact, this is
> official philosophy of updates [3], not just mine.
>
> b) I spent time developing features which should simplify packaging (for
> example in F27+, the RPM %setup macro can expand the .gem packages) and
> I want to use these technologies to simplify my life and life of others.
>
> c) As a proven packager and person who typically does rebuild of Ruby
> packages, I really hate the branched .spec files where nobody knows what
> was the purpose of the branches, most of the branches are for obsolete
> and unsupported releases etc. It is quite hard to apply any improvements
> into such packages. Moreover it is not realistic to test them. If they
> were maintained, it would be different story, but the reality is different.
>
>
> Don't get me wrong, I understand that there are packagers who has just
> handful of packages and it is better for them to maintain just single
> .spec file with all the branches and I don't mind them as long as the
> packages are really actively maintained. But this approach just don't
> scale and should be exception and not recommended practice.
>
>
> To sum this up, my take on packaging guidelines is that *the guidelines
> should document the most recent practices available in Rawhide and this
> should be documented*. Covering all the exceptions necessary for older
> Fedoras (not even mentioning RHEL/EPEL) makes the guidelines unreadable
> and what is worse, they slow down entire development of Fedora.
>
>
> Vít
>
>
>
> [1]
> https://lists.fedoraproject.org/archives/list/packag...@lists.fedoraproject.org/message/QDQ42LRLCP5NOIFSAMUDMP6ZUH3AAHKN/
>
> [2] https://bodhi.fedoraproject.org/updates/?user=vondruch
>
> [3] https://pagure.io/packaging-committee/issue/710

Ups, messed up the link ^^. This is the correct one:

https://fedoraproject.org/wiki/Updates_Policy#Philosophy

V.
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Re: Which Fedora/EPEL is targeted by packaging guidelines?

[nicolas . mailhot]

Hi,

I totally agree with the spirit, but that would require Red Hat taking a more 
active role in backporting package tooling to RHEL/EPEL.

Latest guidelines are always more efficient for everyone (Red Hat employees 
includes), but all too often they can't be applied to EPEL because no one at 
Red Hat pushed the corresponding rpm, mock, rpmdevtools, macro updates to RHEL 
or EPEL :(

The more packages Fedora ships the more inefficient it is to require RHEL/EPEL 
packagers to use old guidelines in every spec files to avoid tooling backports.

Regards,

-- 
Nicolas Mailhot
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Which Fedora/EPEL is targeted by packaging guidelines?

[Vít Ondruch]

Hi all,

Reading logs from yesterdays FPC meeting [1], I think we should discuss
what is actually purpose of packaging guidelines and which version of
Fedora/EPEL/RHEL they actually targets.


Apparently, there are two camps of packagers in Fedora/EPEL. Those who want:

1) single version of .spec file to cover the whole Red Hat ecosystem.

2) clean .spec file following the latest and greatest packaging practices.


I personally belong to the group (2) and that is for several reasons:

a) I use Rawhide on daily basis and I develop only for Rawhide. If I do
changes in older Fedoras, then it is typically just bug fixes and
honestly, that does not happen often (I am POC of ~200 packages and I
submitted just 40 updates during last year [2]). And in fact, this is
official philosophy of updates [3], not just mine.

b) I spent time developing features which should simplify packaging (for
example in F27+, the RPM %setup macro can expand the .gem packages) and
I want to use these technologies to simplify my life and life of others.

c) As a proven packager and person who typically does rebuild of Ruby
packages, I really hate the branched .spec files where nobody knows what
was the purpose of the branches, most of the branches are for obsolete
and unsupported releases etc. It is quite hard to apply any improvements
into such packages. Moreover it is not realistic to test them. If they
were maintained, it would be different story, but the reality is different.


Don't get me wrong, I understand that there are packagers who has just
handful of packages and it is better for them to maintain just single
.spec file with all the branches and I don't mind them as long as the
packages are really actively maintained. But this approach just don't
scale and should be exception and not recommended practice.


To sum this up, my take on packaging guidelines is that *the guidelines
should document the most recent practices available in Rawhide and this
should be documented*. Covering all the exceptions necessary for older
Fedoras (not even mentioning RHEL/EPEL) makes the guidelines unreadable
and what is worse, they slow down entire development of Fedora.


Vít



[1]
https://lists.fedoraproject.org/archives/list/packag...@lists.fedoraproject.org/message/QDQ42LRLCP5NOIFSAMUDMP6ZUH3AAHKN/

[2] https://bodhi.fedoraproject.org/updates/?user=vondruch

[3] https://pagure.io/packaging-committee/issue/710

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