Questions on packaging vim-classic

Hi fellow packagers,

I'm currently in the process of packaging vim-classic[1], for now just 
as a COPR (if anyone would be interested in co-maintaining in Fedora 
proper, please reach out).

My question is in regards to whether and (if so) how to make vim and 
vim-classic able to coexist on one machine. I managed to untangle the 
runtime components, but for the user-facing parts (list below) I'm not 
sure how to proceed:

* binaries (vim, ex, gvim, xxd, ...)
* manuals for said binaries
* /etc/vi{m,}rc

I personally would like to package vim-classic in a way that allows 
coexistance. This would make my job as packager easier and would allow 
users to migrate slowly. Most importantly, multi-user systems (e.g. 
servers maintained by a group of sysadmins) would each have the option 
to use their preferred flavour of editor.

I've read the Conflicts section of the Packager Guide[2], but I do not 
particularly like any of the options.

* Upstream by default builds the binaries with names that conflict with 
   VIM proper but the build system can be coaxed into producing names 
   with e.g. a "-classic" suffix. But a user would probably like to 
   invoke vim-classic as vim (hence upstream's decision).

* the update-alternatives would require cooperation with the Fedora vim 
   package, and editors (vi, even) is specifically mentioned as an 
   example when not to use it

* environment modules are in my personal option a PITA and also target a 
   different kind of program (that is less user-visible) as far as I can 
   tell.

A solution inspired by the `{vim,nano}-default-editor` packages would 
make sense to me: The base package installs binaries/etc in a 
non-conflicting manner, and a subpackage `vim-classic-as-vim` would 
provide symlinks (and declares `Conflicts: vim`). This gets a bit more 
complicated, because vim-classic (inherited from vim) is split into 
multiple subpackages, each of which would need a corresponding `-as-vim` 
package, to only provide the symlinks for files actually on the system.

Can anyone provide some input on this?

My WIP spec file and patches live here: 
   https://girst.fedorapeople.org/vim-classic/

Thanks,
	tobi


[1]: https://vim-classic.org
[2]: https://docs.fedoraproject.org/en-US/packaging-guidelines/Conflicts/#_binary_name_conflicts
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