feat(#118): improve error message for --execute

error.go

@@ -8,13 +8,22 @@ import (
 )
 
 var (
-	errorHeader  = lipgloss.NewStyle().Foreground(lipgloss.Color("#F1F1F1")).Background(lipgloss.Color("#FF5F87")).Bold(true).Padding(0, 1).Margin(1).MarginLeft(2).SetString("ERROR")
-	errorDetails = lipgloss.NewStyle().Foreground(lipgloss.Color("#757575")).Margin(0, 0, 1, 2)
+	errorHeader = lipgloss.NewStyle().
+			Foreground(lipgloss.Color("#F1F1F1")).
+			Background(lipgloss.Color("#FF5F87")).
+			Bold(true).
+			Padding(0, 1).
+			Margin(1).
+			MarginLeft(2).
+			SetString("ERROR")
+	errorDetails = lipgloss.NewStyle().
+			Foreground(lipgloss.Color("#757575")).
+			MarginLeft(2)
 )
 
 func printError(title string, err error) {
-	fmt.Printf("%s\n", lipgloss.JoinHorizontal(lipgloss.Center, errorHeader.String(), title))
-	fmt.Printf("%s\n", errorDetails.Render(err.Error()))
+	fmt.Println(lipgloss.JoinHorizontal(lipgloss.Center, errorHeader.String(), title))
+	fmt.Println(errorDetails.Render(err.Error()))
 }
 
 func printErrorFatal(title string, err error) {

main.go

@@ -85,6 +85,9 @@ func main() {
 	if config.Execute != "" {
 		input, err = executeCommand(config)
 		if err != nil {
+			if input != "" {
+				err = fmt.Errorf("%w\n%s", err, input)
+			}
 			printErrorFatal("Something went wrong", err)
 		}
 		if input == "" {

pty.go

@@ -42,13 +42,15 @@ func executeCommand(config Config) (string, error) {
 	}
 	defer pty.Close() //nolint: errcheck
 	var out bytes.Buffer
+	var errorOut bytes.Buffer
 	go func() {
 		_, _ = io.Copy(&out, pty)
+		errorOut.Write(out.Bytes())
 	}()
 
 	err = cmd.Wait()
 	if err != nil {
-		return "", err //nolint: wrapcheck
+		return errorOut.String(), err //nolint: wrapcheck
 	}
 	return out.String(), nil
 }