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On 20/07/12 03:13 PM, Ciaran McCreesh wrote: |
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> On Fri, 20 Jul 2012 15:05:35 -0400 Ian Stakenvicius |
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> <axs@g.o> wrote: |
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>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 20/07/12 01:54 |
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>> PM, Ciaran McCreesh wrote: |
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>>> On Fri, 20 Jul 2012 13:43:15 -0400 Alexandre Rostovtsev |
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>>> <tetromino@g.o> wrote: |
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>>>>> If you dep upon foo[linguas_en(+)] and linguas_en isn't in |
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>>>>> IUSE, what happens? |
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>>>> |
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>>>> Fatal error. If a package installs its translations |
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>>>> implicitly via gettext's rules depending on the value of |
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>>>> LINGUAS at configure time, then obviously other packages must |
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>>>> rely on that package having installed any particular |
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>>>> translation. |
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>>> |
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>>> Uh, the entire point of the (+) is that it's *not* a fatal |
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>>> error if you have a default. |
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> |
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>> If this doesn't work (assuming foo provides whatever this |
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>> package needs it to have for linguas_en), then the dep is wrong |
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>> in the first place and either (+) shouldn't be set or the use-dep |
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>> on foo shouldn't exist to begin with. |
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> |
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> ...but (+) exists precisely because developers wanted a way of not |
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> having fatal errors when using use dependencies. Non-defaulted use |
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> dependencies are supposed to give errors if there's no match in |
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> IUSE_EFFECTIVE, but unfortunately Portage chose not to make it as |
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> strict as the Council-approved wording required. |
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> |
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non-fatal doesn't work in this case, because in the situation you |
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described, the dep 'foo' -must- have linguas_en existing and enabled |
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to work. |
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IF foo doesn't -need- to have linguas_en existing and enabled to work, |
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ie, if linguas_en doesn't exist but foo installed the relevant bits |
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anyways, then foo[linguas_en(+)] is valid and works fine. |
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Otherwise, the dep specified is wrong and it SHOULD be a fatal error. |
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=cPuz |
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