Check Run API example using an installed GitHub App

check-run.go

package main

import (
	"context"
	"fmt"
	"net/http"

	"github.com/bradleyfalzon/ghinstallation"
	"github.com/google/go-github/github"
)

func main() {
	fmt.Println("Creating a check run...")
	ctx := context.Background()
	tr := http.DefaultTransport
	itr, err := ghinstallation.NewKeyFromFile(tr, <app_id>, <integration_id>, "key.pem")

  if err != nil {
		panic(err)
	}

	client := github.NewClient(&http.Client{Transport: itr})

	opts := github.CreateCheckRunOptions{
		Name:       "Mighty test check run",
		HeadBranch: <your_branch_name>,
		HeadSHA:    <SHA_commit>,
		Status:     github.String("in_progress"),
	}

	ckrun, resp, err := client.Checks.CreateCheckRun(ctx, <owner>, <repo>, opts)
	if err != nil {
		panic(err)
	}

	fmt.Printf("%v\n%v\n", resp, ckrun)

}