Fetch a file from a private repo on github.

main.go

package main

import (
	"errors"
	"fmt"
	"io/ioutil"
	"net/http"
	"os"
)

var (
	githubToken = os.Getenv("GITHUB_TOKEN")
	splunkUsers = os.Getenv("GITHUB_FILE")
	repoName    = os.Getenv("GITHUB_REPO")
	fileType    = "application/vnd.github.v3.raw"
)

func main() {
	endpoint := fmt.Sprintf("https://api.github.com/repos/%s/contents/%s",
		repoName, splunkUsers)

	req, err := http.NewRequest("GET", endpoint, nil)

	if err != nil {
		panic(err)
	}

	req.Header.Add("Accept", fileType)
	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", githubToken))

	client := &http.Client{}
	resp, err := client.Do(req)

	if err != nil {
		panic(err)
	}

	if resp.StatusCode < 200 || resp.StatusCode > 299 {
		panic(errors.New(resp.Status))
	}

	body, err := ioutil.ReadAll(resp.Body)
	defer resp.Body.Close()

	if err != nil {
		panic(err)
	}

	fmt.Printf(string(body))
}