On 07/14/18 19:11, Robert P. J. Day wrote:
>   scanned the dnf man page, did not see an immediate solution so i'll
> ask here:
>
>   is there any way to dynamically tag or label packages during dnf
> install so i can remove them all later by that tag or label? on more
> than one occasion, i've had to install dozens (or hundreds) of
> packages, *knowing* that i would need them only for a while, at which
> time it would be nice to be able to remove them all via that tag or
> label.
>
>   i guess i'm after something i would think of as a "dynamic group",
> where i could run, say:
>
>   $ sudo dnf install --tag="my_project" docker
>   $ sudo dnf install --tag="my_project" erlang
>
> and possibly other totally unrelated packages, then toss them all
> later with:
>
>   $ sudo dnf remove --tag="new_project"
>
> is there anything like this? (and, yes, i can appreciate the
> possibility for conflicts when an initially "tagged" package would
> later be installed explicitly, and so on.)
>

I don't quite understand what you are after.

If you install a package and it pulls in a bunch of dependencies and then you 
remove
it the dependencies will also be removed unless you've installed additional 
packages
which require them.

dnf install erlang
.
.
.
Transaction Summary
===================================================================================
InstallĀ  67 Packages

Total download size: 79 M
Installed size: 208 M
Is this ok [y/N]:


dnf remove erlang
.
.
.
Transaction Summary
===================================================================================
RemoveĀ  67 Packages

Freed space: 208 M
Is this ok [y/N]:


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.

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