Re: Submodules for language bindings (was: Github?)

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+Date: Thu, 8 May 2014 16:35:30 -0700\r
+From: "W. Trevor King" <wking@tremily.us>\r
+To: notmuch@notmuchmail.org\r
+Subject: Re: Submodules for language bindings (was: Github?)\r
+Message-ID: <20140508233530.GV28634@odin.tremily.us>\r
+References: <87iopgkaiz.fsf@nikula.org> <E1WiJsj-0004mz-VK@teckel.deptj.eu>\r
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+On Fri, May 09, 2014 at 12:45:27AM +0200, Suvayu Ali wrote:\r
+> On Thu, May 08, 2014 at 03:29:31PM -0700, W. Trevor King wrote:\r
+> > On Fri, May 09, 2014 at 12:00:46AM +0200, Suvayu Ali wrote:\r
+> > > One of my TODOs is to also package the ruby bindings, and\r
+> > > notmuch-vim.  The only thing preventing me now is my\r
+> > > unfamiliarty with ruby, and Fedora packaging guidelines for\r
+> > > ruby-gems.\r
+> >=20\r
+> > I think this is one argument argument in favor of submodules,\r
+> > because they make it easy to treat the bindings as separate\r
+> > packages.  Once you have separate packages, it's easy to delegate\r
+> > packaging (e.g. =E2=80=9CI don't use the Ruby bindings, so I'm not going\r
+> > to maintain the Ruby-binding package.  I'll leave that to Alice,\r
+> > who likes Ruby, but is less familiar with $distro's Python\r
+> > packaging=E2=80=9D).\r
+>=20\r
+> Well as far as my understanding of rpm goes, sub-packages are\r
+> prefered here rather than independent packages.  I believe the\r
+> reason is again easier dependency tracking[1]; all sub-packages\r
+> share the same source rpm, so no explicit `Requires' in the spec\r
+> file.\r
+\r
+It looks like sub-packages share a single spec file with the main\r
+package [1].  That means you'll have to have authors with the full\r
+range of binding-language expertise to bump that spec file (assuming\r
+there are any changes that require bumps).  For example, Gentoo's\r
+Python eclasses have gone through a few revisions in the last year or\r
+two, and I wouldn't expect one person to stay on top of the latest\r
+packaging styles for every language with notmuch bindings.  I think\r
+the benefit of having separate packages (and spec files, or ebuilds,\r
+or whatever) is that you can release notmuch-0.18 without worrying\r
+about all those bindings, and leave it to the other maintainers (who\r
+might include you) to independently package notmuch-python-0.18,\r
+notmuch-ruby-0.18, notmuch-go-0.18, =E2=80=A6.  With only three sets of\r
+bindings, it doesn't really matter, but I think you'll want the weaker\r
+coupling of stand-alone packages by the time you hit a dozen\r
+languages.  =E2=80=9CBump an explicit 'Requires'=E2=80=9D certainly seems l=\r
+ike a lower\r
+barrier than =E2=80=9Cpackage Go bindings idiomatically for Fedora=E2=80=9D=\r
+ ;).\r
+\r
+Cheers,\r
+Trevor\r
+\r
+[1]: http://www.rpm.org/max-rpm/ch-rpm-subpack.html\r
+\r
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