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Bug 675026 - dev-lang/rust-1.31.1 with dev-lang/rust-9999:git - file collision in /usr/share/zsh/site-functions/_cargo
Summary: dev-lang/rust-1.31.1 with dev-lang/rust-9999:git - file collision in /usr/sha...
Status: CONFIRMED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All All
: Normal normal with 1 vote (vote)
Assignee: Gentoo Rust Project
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: 683420
  Show dependency tree
 
Reported: 2019-01-09 20:03 UTC by Oleg
Modified: 2024-02-11 06:00 UTC (History)
4 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Oleg 2019-01-09 20:03:09 UTC
Zsh completion file cause file collision when installing rust from different slots. What about to install this file only if some use-flag like zsh-completion enabled?

>>> Installing (1 of 1) dev-lang/rust-1.31.1::gentoo
 * This package will overwrite one or more files that may belong to other
 * packages (see list below). You can use a command such as `portageq
 * owners / <filename>` to identify the installed package that owns a
 * file. If portageq reports that only one package owns a file then do
 * NOT file a bug report. A bug report is only useful if it identifies at
 * least two or more packages that are known to install the same file(s).
 * If a collision occurs and you can not explain where the file came from
 * then you should simply ignore the collision since there is not enough
 * information to determine if a real problem exists. Please do NOT file
 * a bug report at https://bugs.gentoo.org/ unless you report exactly
 * which two packages install the same file(s). See
 * https://wiki.gentoo.org/wiki/Knowledge_Base:Blockers for tips on how
 * to solve the problem. And once again, please do NOT file a bug report
 * unless you have completely understood the above message.
 * 
 * package dev-lang/rust-1.31.1 NOT merged
 * 
 * Detected file collision(s):
 * 
 * 	/usr/share/zsh/site-functions/_cargo
 * 
 * Searching all installed packages for file collisions...
 * 
 * Press Ctrl-C to Stop
 * 
 * dev-lang/rust-9999:git::rust
 * 	/usr/share/zsh/site-functions/_cargo
 * 
 * Package 'dev-lang/rust-1.31.1' NOT merged due to file collisions. If
 * necessary, refer to your elog messages for the whole content of the
 * above message.
Comment 1 Georgy Yakovlev archtester gentoo-dev 2019-04-12 05:31:30 UTC
I believe the preferred way of fixing it is to introduce something like rust-common which will install this file per slot.


After we drop old separate cargo I'll try to properly slot rust in gentoo and this will become a major problem.




as a workaround for now you probably can put this
 
INSTALL_MASK="/usr/share/zsh/site-functions/_cargo"


into

/etc/portage/env/dev-lang/rust:stable

to avoid ::gentoo rust from installing this file. 

portage sources the following files in this order.

              1. /etc/portage/env/${CATEGORY}/${PN}

              2. /etc/portage/env/${CATEGORY}/${PN}:${SLOT}

              3. /etc/portage/env/${CATEGORY}/${P}

              4. /etc/portage/env/${CATEGORY}/${PF}