Function runCompileUpdateCheck

pkg/cli/compile_update_check.go:165–210

(ctx context.Context, client *http.Client)

}

func runCompileUpdateCheck(ctx context.Context, client *http.Client) (*compileUpdateNotification, error) {
	currentVersion := GetVersion()
	if !workflow.IsReleasedVersion(currentVersion) {
		compileUpdateCheckLog.Print("Not a released version, skipping update check")
		return nil, nil
	}

	latestVersion, err := fetchLatestReleaseTag(ctx, client)
	if err != nil {
		return nil, err
	}
	if latestVersion == "" {
		return nil, nil
	}

	latestTagExists, err := downloadReleaseProbeFile(ctx, client, latestVersion)
	if err != nil {
		return nil, err
	}
	if !latestTagExists {
		compileUpdateCheckLog.Printf("Latest release tag %s did not expose the probe file; skipping", latestVersion)
		return nil, nil
	}

	currentTagExists, err := downloadReleaseProbeFile(ctx, client, currentVersion)
	if err != nil {
		return nil, err
	}
	if !currentTagExists {
		return &compileUpdateNotification{
			Kind:           compileUpdateNotificationRemovedTag,
			CurrentVersion: currentVersion,
			LatestVersion:  latestVersion,
		}, nil
	}

	if !isMinorVersionBehind(currentVersion, latestVersion) {
		return nil, nil
	}

	return &compileUpdateNotification{
		Kind:           compileUpdateNotificationMinorBehind,
		CurrentVersion: currentVersion,
		LatestVersion:  latestVersion,
	}, nil
}

func fetchLatestReleaseTag(ctx context.Context, client *http.Client) (string, error) {
	req, err := http.NewRequestWithContext(ctx, http.MethodHead, compileUpdateCheckLatestReleaseURL, nil)