Fix colons in subcommands

[brentyi]

Subcommands like hello:world were formerly not being escaped properly.

[sourcery-ai[bot]]

Sourcery Code Quality Report

✅  Merging this PR will increase code quality in the affected files by 1.07%.

Quality metrics	Before	After	Change
Complexity	29.64 😞	28.85 😞	-0.79 👍
Method Length	100.90 🙂	100.37 🙂	-0.53 👍
Working memory	3.58 ⭐	3.61 ⭐	0.03 👎
Quality	45.09% 😞	46.16% 😞	1.07% 👍

Other metrics	Before	After	Change
Lines	990	1006	16

Changed files	Quality Before	Quality After	Quality Change
shtab/init.py	25.89% 😞	25.93% 😞	0.04% 👍
tests/test_shtab.py	76.67% ⭐	76.78% ⭐	0.11% 👍

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 ⛔	589 ⛔		1.22% ⛔	Refactor to reduce nesting. Try splitting into smaller methods
shtab/init.py	complete_zsh	62 ⛔	902 ⛔		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
tests/test_shtab.py	test_add_argument_to_positional	1 ⭐	171 😞	9 🙂	61.90% 🙂	Try splitting into smaller methods
tests/test_shtab.py	test_subparser_aliases	1 ⭐	172 😞	8 🙂	64.02% 🙂	Try splitting into smaller methods

Legend and Explanation

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• 🙂 good
• 😞 poor
• ⛔ very poor

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

---

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[codecov-commenter]

Codecov Report

Base: 91.04% // Head: 74.46% // Decreases project coverage by -16.57% :warning:

Coverage data is based on head (d8a6b85) compared to base (4c0170c). Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #110       +/-   ##
===========================================
- Coverage   91.04%   74.46%   -16.58%     
===========================================
  Files           3        2        -1     
  Lines         335       47      -288     
===========================================
- Hits          305       35      -270     
+ Misses         30       12       -18     

Impacted Files	Coverage Δ
shtab/__init__.py

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[casperdcl]

Thanks! Sorry for the delay.