INNER CODE UNIT · Go

getHelmVersion

databus23/helm-diff · cmd/helm.go:80

func getHelmVersion() (*semver.Version, error) {
	cmd := exec.Command(os.Getenv("HELM_BIN"), "version")
	debugPrint("Executing %s", strings.Join(cmd.Args, " "))
	output, err := cmd.CombinedOutput()
	if err != nil {
		return nil, fmt.Errorf("Failed to run `%s version`: %w", os.Getenv("HELM_BIN"), err)
	}
	versionOutput := string(output)

	matches := helmVersionRE.FindStringSubmatch(versionOutput)
	if matches == nil {
		return nil, fmt.Errorf("Failed to find version in output %#v", versionOutput)
	}
	helmVersion, err := semver.NewVersion(matches[1])
	if err != nil {
		return nil, fmt.Errorf("Failed to parse version %#v: %w", matches[1], err)
	}

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