Function CheckForUpdate

internal/update/update.go:36–60

CheckForUpdate checks whether this software has had a newer release on GitHub

(
	client *http.Client,
	stateFilePath, currentVersion string,
)

// CheckForUpdate checks whether this software has had a newer release on GitHub
func CheckForUpdate(
	client *http.Client,
	stateFilePath, currentVersion string,
) (*ReleaseInfo, error) {
	stateEntry, _ := getStateEntry(stateFilePath)
	if stateEntry != nil && time.Since(stateEntry.CheckedForUpdateAt).Hours() < 24 {
		return nil, nil
	}

	releaseInfo, err := getLatestReleaseInfo(client)
	if err != nil {
		return nil, err
	}

	err = setStateEntry(stateFilePath, time.Now(), *releaseInfo)
	if err != nil {
		return nil, err
	}

	if versionGreaterThan(releaseInfo.Version, currentVersion) {
		return releaseInfo, nil
	}

	return nil, nil
}

func getLatestReleaseInfo(client *http.Client) (*ReleaseInfo, error) {
	var latestRelease ReleaseInfo