Implement config flags for helm upgrade

internal/run/upgrade.go

@@ -10,6 +10,7 @@ type Upgrade struct {
 	Release string
 
 	ChartVersion string
+	DryRun       bool
 	Wait         bool
 	ReuseValues  bool
 	Timeout      string
@@ -30,13 +31,41 @@ func (u *Upgrade) Prepare(cfg Config) error {
 	if cfg.Namespace != "" {
 		args = append(args, "--namespace", cfg.Namespace)
 	}
-
-	args = append(args, "upgrade", "--install", u.Release, u.Chart)
-
 	if cfg.Debug {
-		args = append([]string{"--debug"}, args...)
+		args = append(args, "--debug")
 	}
 
+	args = append(args, "upgrade", "--install")
+
+	if u.ChartVersion != "" {
+		args = append(args, "--version", u.ChartVersion)
+	}
+	if u.DryRun {
+		args = append(args, "--dry-run")
+	}
+	if u.Wait {
+		args = append(args, "--wait")
+	}
+	if u.ReuseValues {
+		args = append(args, "--reuse-values")
+	}
+	if u.Timeout != "" {
+		args = append(args, "--timeout", u.Timeout)
+	}
+	if u.Force {
+		args = append(args, "--force")
+	}
+	if cfg.Values != "" {
+		args = append(args, "--set", cfg.Values)
+	}
+	if cfg.StringValues != "" {
+		args = append(args, "--set-string", cfg.StringValues)
+	}
+	for _, vFile := range cfg.ValuesFiles {
+		args = append(args, "--values", vFile)
+	}
+
+	args = append(args, u.Release, u.Chart)
 	u.cmd = command(helmBin, args...)
 	u.cmd.Stdout(cfg.Stdout)
 	u.cmd.Stderr(cfg.Stderr)