func MaybeUpdate(output io.Writer, githubOwner, githubRepo, binaryName, lastUpdatePath string, localVersion semver.Version) {
downloadBinary := binaryName + "-" + runtime.GOOS + "-" + runtime.GOARCH
updateLinkPrefix := "https://github.com/" + githubOwner + "/" + githubRepo + "/releases/tag/" + version.VersionPrefix
downloadLinkFormat := "https://github.com/" + githubOwner + "/" + githubRepo + "/releases/download/v%s/%s"
if !shouldCheckURLVersion(lastUpdatePath) {
return
}
latestVersion, err := getLatestVersionFromGitHub(githubOwner, githubRepo)
if err != nil {
glog.Errorln(err)
return
}
if localVersion.Compare(latestVersion) < 0 {
writeTimeToFile(lastUpdatePath, time.Now().UTC())
fmt.Fprintf(output, `There is a newer version of %s available. Do you want to
automatically update from %s%s to %s%s now? [y/N] `,
binaryName, version.VersionPrefix, localVersion, version.VersionPrefix, latestVersion)
var confirm string
fmt.Scanln(&confirm)
if confirm == "y" {
fmt.Printf("Updating to version %s\n", latestVersion)
updateBinary(latestVersion, downloadBinary, updateLinkPrefix, downloadLinkFormat)
return
}
fmt.Println("Skipping autoupdate")
}
}
