Refactor requesting to package registries

[kyoshidajp]

No description provided.

[github-actions]

Code Metrics Report

	main (cb48098)	#19 (7028512)	+/-
Coverage	57.4%	60.0%	+2.6%
Code to Test Ratio	1:0.6	1:0.5	-0.1
Test Execution Time	21s	10s	-11s

Details

  |                     | main (cb48098) | #19 (7028512) |  +/-  |
  |---------------------|----------------|---------------|-------|
+ | Coverage            |          57.4% |         60.0% | +2.6% |
  |   Files             |             11 |            11 |     0 |
  |   Lines             |            216 |           260 |   +44 |
+ |   Covered           |            124 |           156 |   +32 |
- | Code to Test Ratio  |          1:0.6 |         1:0.5 |  -0.1 |
  |   Code              |            588 |           653 |   +65 |
+ |   Test              |            328 |           331 |    +3 |
+ | Test Execution Time |            21s |           10s |  -11s |

Code coverage of files in pull request scope (49.0% → 54.3%)

Files	Coverage	+/-
cmd/bundler.go	100.0%	0.0%
cmd/diagnose.go	49.5%	+11.3%
cmd/nodejs.go	70.6%	-19.4%
cmd/npm.go	14.3%	0.0%
cmd/pip.go	25.0%	+10.7%
cmd/pypi.go	68.4%	-14.9%
cmd/ruby_gems.go	71.4%	-14.3%
cmd/yarn.go	25.0%	+10.7%

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Reported by octocov