Add flag to override appVersion (#87)

cmd/helmpush/main.go

@@ -32,6 +32,7 @@ import (
 type (
 	pushCmd struct {
 		chartName          string
+		appVersion         string
 		chartVersion       string
 		repoName           string
 		username           string
@@ -110,6 +111,7 @@ func newPushCmd(args []string) *cobra.Command {
 	}
 	f := cmd.Flags()
 	f.StringVarP(&p.chartVersion, "version", "v", "", "Override chart version pre-push")
+	f.StringVarP(&p.appVersion, "app-version", "a", "", "Override app version pre-push")
 	f.StringVarP(&p.username, "username", "u", "", "Override HTTP basic auth username [$HELM_REPO_USERNAME]")
 	f.StringVarP(&p.password, "password", "p", "", "Override HTTP basic auth password [$HELM_REPO_PASSWORD]")
 	f.StringVarP(&p.accessToken, "access-token", "", "", "Send token in Authorization header [$HELM_REPO_ACCESS_TOKEN]")
@@ -262,6 +264,11 @@ func (p *pushCmd) push() error {
 		chart.SetVersion(p.chartVersion)
 	}
 
+	// app version override
+	if p.appVersion != "" {
+		chart.SetAppVersion(p.appVersion)
+	}
+
 	// username/password override(s)
 	username := repo.Config.Username
 	password := repo.Config.Password

pkg/helm/chart.go

@@ -18,6 +18,15 @@ func (c *Chart) SetVersion(version string) {
 	c.Metadata.Version = version
 }
 
+// SetAppVersion overrides the app version
+func (c *Chart) SetAppVersion(appVersion string) {
+	if c.V2 != nil {
+		c.V2.Metadata.AppVersion = appVersion
+	} else {
+		c.V3.Metadata.AppVersion = appVersion
+	}
+}
+
 // GetChartByName returns a chart by "name", which can be
 // either a directory or .tgz package
 func GetChartByName(name string) (*Chart, error) {