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Ciaran McCreesh wrote: |
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> On Tue, 05 Feb 2008 13:21:34 -0800 |
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> Zac Medico <zmedico@g.o> wrote: |
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>> If the package manager exposes a slightly lower level interface to |
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>> the USE flags then build_with_use can use that instead, and the |
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>> package manager won't have to implement the full build_with_use |
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>> interface. For example, portageq currently supports a "metadata" |
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>> command that can be used to query installed package metadata such as |
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>> USE and IUSE. Perhaps we should use some type of interface similar |
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>> to that. |
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> |
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> That's also a possibility. How about something like: |
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> |
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> if [[ -n "${E_INSTALLED_PKG_METADATA_CMD}" ]] ; then |
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> ${E_INSTALLED_PKG_METADATA_CMD} >=cat/pkg-1.23 USE foo |
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> else |
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> # old vdb stuff |
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> fi |
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> |
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> with heavy (and checked) restrictions upon legal metadata keys (stuff |
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> that's in individual files, not environment.bz2)? |
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> |
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That seems fine except it would be handy if it supports something |
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like the built_with_use -a and -o options since, given your |
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interface, it would be best to implement those on the package |
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manager side. |
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|
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Zac |
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-- |
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