Convert linter output into annotations for the GitHub Checks API
$ golint ./...
parser/parser.go:68:35: error strings should not be capitalized or end with punctuation or a newline
$ golint ./... | annotation | jsonpp
[
{
"path": "parser/parser.go",
"start_line": 68,
"end_line": null,
"start_column": 35,
"end_column": null,
"annoation_level": null,
"message": "error strings should not be capitalized or end with punctuation or a newline",
"title": null,
"raw_details": null
}
]