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Bug 608356 - sys-apps/portage: document that FEATURES=unmerge-backup overwrites binary packages, suggest FEATURES=binpkg-multi-instance
Summary: sys-apps/portage: document that FEATURES=unmerge-backup overwrites binary pac...
Alias: None
Product: Portage Development
Classification: Unclassified
Component: Documentation (show other bugs)
Hardware: All All
: Normal normal (vote)
Assignee: Portage team
Depends on: 586410
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Reported: 2017-02-05 19:39 UTC by Zac Medico
Modified: 2017-02-06 17:09 UTC (History)
1 user (show)

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Runtime testing required: ---


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Description Zac Medico gentoo-dev 2017-02-05 19:39:41 UTC
Since bug 586410, it's possible for FEATURES=unmerge-backup to overwrite binary packages that don't correspond to the installed instances. This behavior should be documented, and there should be a suggestion to enable FEATURES=binpkg-multi-instance.
Comment 1 Zac Medico gentoo-dev 2017-02-06 17:09:06 UTC
The existing behavior can be very confusing if the user installs a binary package which is then overwritten by FEATURES=unmerge-backup. In this case, the user could run `emerge --usepkgonly package` repeatedly, and end up alternating between two different builds of the same package version.