Fix subcommands with hyphens (and periods, spaces, etc) in zsh (Sourcery refactored)

[sourcery-ai[bot]]

Pull Request #108 refactored by Sourcery.

Since the original Pull Request was opened as a fork in a contributor's repository, we are unable to create a Pull Request branching from it.

To incorporate these changes, you can either:

1. Merge this Pull Request instead of the original, or

2. Ask your contributor to locally incorporate these commits and push them to the original Pull Request

   Incorporate changes via command line

   git fetch https://github.com/iterative/shtab pull/108/head
   git merge --ff-only FETCH_HEAD
   git push

NOTE: As code is pushed to the original Pull Request, Sourcery will re-run and update (force-push) this Pull Request with new refactorings as necessary. If Sourcery finds no refactorings at any point, this Pull Request will be closed automatically.

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[sourcery-ai[bot]]

Sourcery Code Quality Report

Merging this PR leaves code quality unchanged.

Quality metrics	Before	After	Change
Complexity	47.11 ⛔	47.11 ⛔	0.00
Method Length	136.35 😞	136.80 😞	0.45 👎
Working memory	1.67 ⭐	1.67 ⭐	0.00
Quality	25.93% 😞	25.93% 😞	0.00%

Other metrics	Before	After	Change
Lines	761	764	3

Changed files	Quality Before	Quality After	Quality Change
shtab/init.py	25.93% 😞	25.93% 😞	0.00%

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
shtab/init.py	get_bash_commands	78 ⛔	590 ⛔		1.22% ⛔	Refactor to reduce nesting. Try splitting into smaller methods
shtab/init.py	complete_zsh	62 ⛔	910 ⛔		2.38% ⛔	Refactor to reduce nesting. Try splitting into smaller methods
shtab/init.py	complete_tcsh	53 ⛔	470 ⛔		4.99% ⛔	Refactor to reduce nesting. Try splitting into smaller methods
shtab/init.py	complete_bash	2 ⭐	106 🙂	11 😞	64.30% 🙂	Extract out complex expressions
shtab/init.py	add_argument_to	4 ⭐	89 🙂	11 😞	64.67% 🙂	Extract out complex expressions

Legend and Explanation

The emojis denote the absolute quality of the code:

• ⭐ excellent
• 🙂 good
• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

---

Please see our documentation here for details on how these metrics are calculated.

We are actively working on this report - lots more documentation and extra metrics to come!

Help us improve this quality report!

[codecov-commenter]

Codecov Report

Base: 91.04% // Head: 91.04% // No change to project coverage :thumbsup:

Coverage data is based on head (24ff61a) compared to base (4c0170c). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #109 +/- ## ======================================= Coverage 91.04% 91.04% ======================================= Files 3 3 Lines 335 335 ======================================= Hits 305 305 Misses 30 30 ``` | [Impacted Files](https://codecov.io/gh/iterative/shtab/pull/109?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative) | Coverage Δ | | |---|---|---| | [shtab/\_\_init\_\_.py](https://codecov.io/gh/iterative/shtab/pull/109/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative#diff-c2h0YWIvX19pbml0X18ucHk=) | `93.75% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=iterative)

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