Haha, sounds like a fun experience. I've not used dnf for many complex tasks, but it sounds interesting.
On Wed, Apr 8, 2015, 7:14 AM Tom Hughes <tom@xxxxxxxxxx> wrote:
So this morning I cloned an up to date rawhide VM and attempted to convert
it to F22 by using "dnf distro-sync" on it. Obviously that is a fairly advanced
use case but I think one tale of what happened at the end of that process will
highlight why I often find myself shouting WTF at dnf when going beyond basic
install/update of packages. There were other issues along the way before I got
to this point...
Having eventually completed the distro-sync I wanted to check for any orphans
that needed sorting out. Google told me dnf-plugins-extras was that I needed
to replace package-cleanup, so I installed it, only to find that every use of
dnf now reported:
fedora22 [~] % sudo dnf upgrade
Failed to synchronize cache for repo '_local' from 'file:///var/lib/dnf/plugins/local': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried, disabling.
After shouting WTF yet again I determined that dnf-plugins-extras includes
python-dnf-plugins-extras-local which apparently tries to use a non-existent
local directory as a hidden extra repo.
Fine whatever, we don't need that, so lets remove it:
fedora22 [~] % sudo dnf erase python-dnf-plugins-extras-local
Dependencies resolved.
================================================================================
Package Arch Version Repository
Size
================================================================================
Removing:
dnf-plugins-extras noarch 0.0.6-2.fc22 @System 0
python-beautifulsoup4 noarch 4.3.2-3.fc21 @System 605 k
python-dnf-plugins-extras noarch 0.0.6-2.fc22 @System 0
python-dnf-plugins-extras-debug noarch 0.0.6-2.fc22 @System 26 k
python-dnf-plugins-extras-local noarch 0.0.6-2.fc22 @System 11 k
python-dnf-plugins-extras-orphans noarch 0.0.6-2.fc22 @System 9.3 k
python-dnf-plugins-extras-repoclosure noarch 0.0.6-2.fc22 @System 9.4 k
python-dnf-plugins-extras-repograph noarch 0.0.6-2.fc22 @System 9.5 k
python-dnf-plugins-extras-repomanage noarch 0.0.6-2.fc22 @System 12 k
python-dnf-plugins-extras-snapper noarch 0.0.6-2.fc22 @System 4.4 k
python-dnf-plugins-extras-tracer noarch 0.0.6-2.fc22 @System 7.7 k
python-html5lib noarch 1:0.999-5.fc21 @System 1.2 M
python-psutil x86_64 2.1.3-1.fc22 @System 518 k
snapper x86_64 0.2.5-2.fc22 @System 1.0 M
snapper-libs x86_64 0.2.5-2.fc22 @System 846 k
tracer noarch 0.5.8-1.fc22 @System 272 k
Transaction Summary
================================================================================
Remove 16 Packages
Installed size: 4.5 M
Is this ok [y/N]: y
WTF! Oh, of course, removing that removes dnf-plugins-extras and then everything
else counts as auto installed and gets removed. After ceasing banging my head on
the desk I let it go ahead and then add back python-dnf-plugins-extras-orphans
to get the plugin I actually wanted.
So now I run "dnf orphans" at last and am a little surprised to get 589 lines of
output:
fedora22 [~] % sudo dnf orphans
CharLS-devel-1.0-8.fc22.x86_64
...
zsh-5.0.7-6.fc22.x86_64
But those are F22 packages I hear you say! Indeed they are, and list confirms that
they do exist in configured repositories:
fedora22 [~] % sudo dnf list --showduplicates zsh
Using metadata from Wed Apr 8 11:02:28 2015 (0:53:45 hours old)
Installed Packages
zsh.x86_64 5.0.7-6.fc22 @System
Available Packages
zsh.x86_64 5.0.7-6.fc22 @System
zsh.x86_64 5.0.7-6.fc22 fedora-base
WTF!
Tom
--
Tom Hughes (tom@xxxxxxxxxx)
http://compton.nu/
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