Bug 1934883

Summary:	[RFE] dnf: swap more than two packages in one transaction
Product:	[Fedora] Fedora	Reporter:	Carl George 🤠 <carl>
Component:	dnf	Assignee:	rpm-software-management
Status:	CLOSED WONTFIX	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	low
Version:	rawhide	CC:	dmach, jmracek, jrohel, mblaha, mhatina, ngompa13, packaging-team-maint, peter, pkratoch, rpm-software-management, vmukhame
Target Milestone:	---	Keywords:	FutureFeature, Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
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Last Closed:	2023-08-09 20:11:02 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Embargoed:
Bug Depends On:
Bug Blocks:	1665453

Description Carl George 🤠 2021-03-03 22:49:47 UTC

Description of problem:
`yum swap` allowed swapping more than two packages using `--` as a delimiter between the packages to remove and the packages to install.  This no longer works with `dnf swap`.


Version-Release number of selected component (if applicable):
dnf-4.6.0-1.fc34.noarch


How reproducible:
always


Steps to Reproduce:
(the exact packages don't matter, these were picked at random)
1. dnf install color-filesystem emacs-filesystem
2. dnf swap -- color-filesystem emacs-filesystem -- kde-filesystem mesa-filesystem


Actual results:
dnf swap: error: unrecognized arguments: kde-filesystem mesa-filesystem


Expected results:
Uninstall of color-filesystem and emacs-filesystem, install of kde-filesystem and mesa-filesystem.


Additional info:
`dnf shell` can also be used to accomplish this task, but that requires interactive input, a separate file, or shell redirection.  `dnf swap` is an easy and convenient way to perform transactions like this in a single command non-interactively.  It is especially useful when building container images.

Comment 1 Neal Gompa 2021-03-03 23:00:34 UTC

This is similar to bug 1403465, though this one talks about restoring functionality that YUM previously had, and that bug talked about adding *new* syntax to support this.

Comment 2 Jaroslav Mracek 2023-08-09 20:11:02 UTC

I suggest that package swap is required when packages conflicts - what about to use `dnf install <args> --allowerasing`. This was the original replacement of swap and shell ind dnf. Due to presence of workarounds I am closing the issue.

Comment 3 Carl George 🤠 2023-08-09 23:53:48 UTC

`dnf install <args> --allowerasing` is great when conflicts exist in the packages.  It doesn't help when you need to swap sets of multiple packages which do not conflict, which yum allowed you to do.  I understand if the final answer is WONTFIX, but it's still a regression.

Is that WONTFIX decision for dnf4 and dnf5, or dnf4 only?