Improve handling custom cmd

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 60.60%. Comparing base (292f770) to head (d4d2d09).

Files	Patch %	Lines
pkg/commands/configure/configure.go	33.33%	1 Missing and 1 partial :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #45 +/- ## ========================================== + Coverage 60.57% 60.60% +0.02% ========================================== Files 17 17 Lines 1428 1429 +1 ========================================== + Hits 865 866 +1 Misses 498 498 Partials 65 65 ```

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