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Bug 1437230 - Dependency resolution in "remove new, install old" using "yum shell" is not ordered per expectation
Summary: Dependency resolution in "remove new, install old" using "yum shell" is not o...
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: yum
Version: 7.4
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Packaging Maintenance Team
QA Contact: BaseOS QE Security Team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-03-29 20:14 UTC by Jan Pokorný [poki]
Modified: 2018-09-24 12:50 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-09-24 12:50:55 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Jan Pokorný [poki] 2017-03-29 20:14:56 UTC 
# yum install clufter
> [...]
# rpm -q clufter-cli
> clufter-cli-0.70.0-1.el7.noarch
# yum shell
> > remove clufter-* *-clufter
> > downgrade python-clufter
> > run
> --> Running transaction check
> ---> Package clufter-bin.x86_64 0:0.70.0-1.el7 will be erased
> ---> Package clufter-cli.noarch 0:0.59.5-2.el7 will be installed
> --> Processing Dependency: python-clufter = 0.59.5-2.el7 for package: clufter-cli-0.59.5-2.el7.noarch
> Package python-clufter-0.59.5-2.el7.x86_64 is obsoleted by python2-clufter-0.70.0-1.el7.noarch which is already installed
> ---> Package clufter-cli.noarch 0:0.70.0-1.el7 will be erased
> ---> Package clufter-common.noarch 0:0.70.0-1.el7 will be erased
> ---> Package python2-clufter.noarch 0:0.70.0-1.el7 will be erased
> --> Finished Dependency Resolution
> Error: Package: clufter-cli-0.59.5-2.el7.noarch (beaker-Server-HighAvailability2)
>     Requires: python-clufter = 0.59.5-2.el7
>     Removing: python2-clufter-0.70.0-1.el7.noarch (@beaker-Server-HighAvailability)
>         python-clufter = 0.70.0-1.el7
>     Available: python-clufter-0.59.5-2.el7.x86_64 (beaker-Server-HighAvailability2)
>         python-clufter = 0.59.5-2.el7

I guess, if only it would not try to evaluate installation of
clufter-cli-0.59.5-2 before all packages to be erased (at version
0.70.0-1) are evaluated, it would not choke on:

> Package python-clufter-0.59.5-2.el7.x86_64 is obsoleted by python2-clufter-0.70.0-1.el7.noarch which is already installed

that is, python2-clufter-0.70.0-1.el7.noarch would not be considered
"installed" by the time python-clufter-0.59.5-2.el7.x86_64 would be
evaluated for installation.


Reason I got to "yum shell" is that I am looking for a solution to
"downgrade-through-inverse-obsoletes", which currently seems only
solvable using "rpm -e --nodeps" dirty trick, which is a shame.
Comment 2 Jan Pokorný [poki] 2017-03-29 20:18:42 UTC 
Sorry, copy-pasted wrong commands entered at yum shell (the outputs
are well-copied, though).  It should have been:

# yum shell
> > remove clufter-* python*-clufter
> > install clufter-cli-0.59.5
> > run
Comment 3 Jan Pokorný [poki] 2017-03-29 20:37:43 UTC 
Note that this actually works correctly in "dnf shell" in Fedora
that's in almost identical situation with clufter + Obsoletes.
(the only difference is dnf requires %{release} in full, incl. ".fc26",
for instance)
Comment 5 Red Hat Bugzilla Rules Engine 2018-09-24 12:50:55 UTC 
Development Management has reviewed and declined this request. You may appeal this decision by reopening this request.
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