Quick go utility to get the latest Docker Compose release from Github

main.go

/*
Copyright 2015 Chad Metcalf <metcalfc@gmail.com>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package main

import (
	"fmt"
	"io/ioutil"

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

func main() {
	client := github.NewClient(nil)

	fmt.Println("Getting most recent docker-compose")

	release, resp, err := client.Repositories.GetLatestRelease("docker", "compose")
	if err != nil {
		fmt.Printf("Repositories.GetLatestRelease returned error: %v\n%v\n", err, resp.Body)
	}

	opt := &github.ListOptions{}
	assets, resp, err := client.Repositories.ListReleaseAssets("docker", "compose", *release.ID, opt)

	for _, asset := range assets {

		if *asset.Name == "docker-compose-Darwin-x86_64" {
			reader, err := client.Repositories.DownloadReleaseAsset("docker", "compose", *asset.ID)
			if err != nil {
				fmt.Printf("Repositories.DownloadReleaseAsset returned error: %v\n", err)
			}

			content, err := ioutil.ReadAll(reader)
			if err != nil {
				fmt.Printf("Repositories.DownloadReleaseAsset returned bad reader: %v\n", err)
			}

			err = ioutil.WriteFile("./docker-compose", content, 0755)
			if err != nil {
				fmt.Printf("Couldn't write file: %v\n", err)
			}
		}
	}
}