Allow specifying mkvenv name

[philer-jambit]

When running mkvenv it would be great to have an optional parameter that allows overriding the default "$(basename $PWD)-$(randstr)" .

Some reasons:

1. The generated names can be kind of ugly, especially when the directory name is long. When I clone a repo with a long name I get an even longer name prepended to my prompt so I'd very much prefer an option to keep it brief. I promise I'll make sure it remains unique.
2. There have already been noted instances where people want to check their .venv into version control, although I agree that sounds like a bad idea.
3. Most importantly, there may be instances where I occasionally want to switch between venvs for the same project, in which case the appended random string is a poor identifier. For example I'm currently facing this as we have a branch transitioning from python 3.10 to 3.11. For this purpose I'd like to use venvs with corresponding suffixes, like "myproject-310" and "myproject-311".

The current implementation has lead me to resort to temporarily modifying the source of this script in order to get the name I want.

Side note: This is somewhat of a generalization of #174 which looks stale, I hope it's okay to open a new issue for it.

Either way, thanks for your work on this project! :)

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Operating System
Linux Mint 21.1

zsh version (zsh --version)
zsh 5.8.1 (x86_64-ubuntu-linux-gnu)

autoswitch-virtualenv version
3.5.0

How is zsh-autoswitch-virtualenv installed?
oh-my-zsh

Steps to reproduce the issue

• run mkvenv
• stare at the resulting name in despair

[MichaelAquilina]

Hello @philer-jambit this is a good idea :)

I may find some time to implement it in the future but maybe a better suggestion would be for you to give a go at implementing it yourself and opening a PR.

It shouldnt be too difficult I think!