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> The new eclass is supposedly used by 732 in-tree packages [1],
> and possibly a few dozens out-of-the-tree. Some parts of the eclass API
> are barely used. I would really prefer to avoid yet another eclass
> migration.
that's a shame, I don't think it is avoidable with the changes you are
suggesting
> However, I would like to do a few breaking changes to simplify
> the eclass and its maintenance:
>
> 1. Make EGIT_SOURCEDIR default to ${WORKDIR}/${P} rather than ${S}
> (to support setting S to subdirectory of git repo),
>
> 2. Kill EGIT_HAS_SUBMODULES and autodetect submodules,
>
> 3. Kill EGIT_OPTIONS since it limits the possibility of changing eclass
> code,
>
> 4. Kill EGIT_MASTER (it's more trouble than benefit),
>
> 5. Possibly kill EGIT_PROJECT -- it won't be good enough anymore,
>
> 6. Kill EGIT_NONBARE and support bare checkouts only. Supporting two
> different layouts introduces a lot redundant code.
>
> 7. Kill EGIT_NOUNPACK -- possibly replace it with proper fetching
> function, or just src_fetch(),
>
> 8. Kill EGIT_DIR -- it supposedly should not even be overriden.
>
These changes will cause significant breakage. That is fine for
migration, but not for in place eclass changes.
>
> But it's not all removing. There are also a few things I would like to
> change/add:
>
> 1. Replace 'git clone' with 'git init' + 'git fetch' that would be
> a bit simpler,
>
> 2. Add complete & working support for shallow clones, and make it the
> default. This means a lot of space-saving for people who only use
> the repos for ebuilds.
>
> 3. Add complete & proper support for submodules. Currently, submodules
> enforce non-bare clones and are fetched during unpack. After
> the change, they will be fetched and unpacked like normal repos.
>
>
> The use of API features in *.ebuild maps like the following;
>
> EGIT_REPO_URI 521
> EGIT_BRANCH 66
> EGIT_SOURCEDIR 21
> EGIT_PROJECT 17
> EGIT_HAS_SUBMODULES 15
> EGIT_COMMIT 12
> EGIT_BOOTSTRAP 12
> EGIT_MASTER 7
> EGIT_NOUNPACK 2
> EGIT_STORE_DIR 1
> EGIT_NONBARE 1
> EGIT_DIR 1
> EVCS_OFFLINE 0 // these are for make.conf
> EGIT_REPACK 0
> EGIT_PRUNE 0
> EGIT_OPTIONS 0
>
> I will need to take a look which of those cases can be replaced easily.
>
>
> How should I proceed? Assuming that git-2.eclass is used by live
> ebuilds only, and those ebuilds can be subject to random breakage,
> I could supposedly just start changing API of the eclass.
>
negative, breaking ebuilds is different than upstream breaking things
and needing ebuild fixes. Randomly breaking 700+ ebuilds isn't cool.
> On the other hand, I could also go for beautiful git-r1.eclass,
> and cleanly switch the packages.
>
> Then, I could go for something involving the two -- create a new
> git-r1.eclass that has API fully stripped, and start deprecating
> features from git-2.eclass. We would be able to switch to git-r1 to
> test offending packages safely, then do a big switch of remaining
> packages and make the two eclasses temporarily equivalent.
>
> What are your thoughts?
>
I have a VCS ebuild for nearly everything I officially maintain and
almost everything in the pentoo overlay. If you change the eclass in
place that will break dozens of ebuilds just for me. Please don't.
- -Zero
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=harh
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