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On 06/03/2013 06:32 AM, Tom Wijsman wrote: |
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> On Sun, 02 Jun 2013 17:41:21 -0700 |
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> Zac Medico <zmedico@g.o> wrote: |
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> |
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|
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The news item is good, but I agree with Tom there could be more |
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questions. Maybe adding a link to some page which explains the |
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functionality in detail? |
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|
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- -Zero |
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> I'll answer to some parts with what I think the user might think; I |
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> know the answer to most of those, but the user might not. |
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> |
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>> Beginning with sys-apps/portage-2.1.12, FEATURES=preserve-libs is |
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>> enabled by default. This feature will preserve libraries when the |
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>> sonames change during upgrade or downgrade. |
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> |
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> Why are libraries being preserved? |
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> |
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>> Libraries are preserved only if consumers of those libraries are |
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>> detected. |
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> |
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> When exactly are those consumers detected? |
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> |
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>> Preserved libraries are automatically removed when there are no |
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>> remaining consumers. |
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> |
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> When exactly does this happen? At the end of any emerge action? |
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> |
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>> Run `emerge @preserved-rebuild` in order to rebuild all consumers of |
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>> preserved libraries. |
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> |
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> When and why? Do I run this once? Do I need to run this often? |
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> |
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> Besides these questions, the transition from revdep-rebuild to |
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> @preserved-rebuild may be worth a note as well; if I remember correctly |
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> you have to do one last revdep-rebuild when you enable this feature, or |
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> in other words preserve-libs won't detect present inconsistencies. I |
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> feel like this should probably be documented as well, as part of |
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> mentioning that this is intended to replace revdep-rebuild... |
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> |
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|
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