action-shellcheck/.github/problem-matcher.json

{
    "problemMatcher": [
      {
        "owner": "shellcheck",
        "pattern": [
          {
              "regexp": "^In\\s(.+)\\sline\\s(\\d+):$",
              "file": 1,
              "line": 2
          },
          {
            "regexp": ".*"
          },
          {
              "regexp": "(SC\\d+):\\s(.+)$",
              "code": 1,
              "message": 2
          }
      ]
      }
    ]
  }