Support composer

[kyoshidajp]

No description provided.

[github-actions]

Code Metrics Report

	main (bb74198)	#21 (c3ad122)	+/-
Coverage	59.1%	54.7%	-4.4%
Code to Test Ratio	1:0.5	1:0.5	-0.0
Test Execution Time	19s	19s	0s

Details

  |                     | main (bb74198) | #21 (c3ad122) |  +/-  |
  |---------------------|----------------|---------------|-------|
- | Coverage            |          59.1% |         54.7% | -4.4% |
  |   Files             |             11 |            13 |    +2 |
  |   Lines             |            264 |           289 |   +25 |
+ |   Covered           |            156 |           158 |    +2 |
- | Code to Test Ratio  |          1:0.5 |         1:0.5 |  -0.0 |
  |   Code              |            659 |           726 |   +67 |
  |   Test              |            331 |           331 |     0 |
  | Test Execution Time |            19s |           19s |    0s |

Code coverage of files in pull request scope (60.5% → 53.6%)

Files	Coverage	+/-
cmd/composer.go	25.0%	+25.0%
cmd/diagnose.go	47.8%	0.0%
cmd/github/github.go	87.0%	0.0%
cmd/packagist.go	0.0%	0.0%

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Reported by octocov