dev(hansbug): add env detector for git

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 89.85507% with 7 lines in your changes missing coverage. Please review.

Project coverage is 99.20%. Comparing base (7ef7cd0) to head (b473d39).

Files	Patch %	Lines
hbutils/system/git/info.py	85.10%	7 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #105 +/- ## ========================================== - Coverage 99.59% 99.20% -0.39% ========================================== Files 110 113 +3 Lines 3464 3536 +72 ========================================== + Hits 3450 3508 +58 - Misses 14 28 +14 ``` | [Flag](https://app.codecov.io/gh/HansBug/hbutils/pull/105/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Hankson+Bradley) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/HansBug/hbutils/pull/105/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Hankson+Bradley) | `99.20% <89.85%> (-0.39%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Hankson+Bradley#carryforward-flags-in-the-pull-request-comment) to find out more.

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