Implement the debug flag in lint [#3]

internal/run/lint.go

@@ -1,7 +1,7 @@
 package run
 
 import (
-// "fmt"
+	"fmt"
 )
 
 // Lint is an execution step that calls `helm lint` when executed.
@@ -18,7 +18,13 @@ func (l *Lint) Execute(_ Config) error {
 
 // Prepare gets the Lint ready to execute.
 func (l *Lint) Prepare(cfg Config) error {
-	args := []string{"lint"}
+	args := make([]string, 0)
+
+	if cfg.Debug {
+		args = append(args, "--debug")
+	}
+
+	args = append(args, "lint")
 
 	if cfg.Values != "" {
 		args = append(args, "--set", cfg.Values)
@@ -36,5 +42,9 @@ func (l *Lint) Prepare(cfg Config) error {
 	l.cmd.Stdout(cfg.Stdout)
 	l.cmd.Stderr(cfg.Stderr)
 
+	if cfg.Debug {
+		fmt.Fprintf(cfg.Stderr, "Generated command: '%s'\n", l.cmd.String())
+	}
+
 	return nil
 }