add del command

add tests for all commands

wrap entry point with fang

add --version flag
target to Taskfile

cmd/list.go

@@ -18,31 +18,36 @@ that are not empty and do not start with a comment (#).
 This is useful for reviewing which files or directories are currently excluded from version control.`,
 	Args: cobra.NoArgs, // No arguments expected
 	RunE: func(cmd *cobra.Command, args []string) error {
-		f, ok := FileFromContext(cmd.Context())
+		ctx, ok := ContextObjectFromContext(cmd.Context())
 		if !ok {
 			return fmt.Errorf("no exclude file found in context")
 		}
-		return runListCommand(f, args)
+		return runListCommand(ctx.Out, ctx.File)
 	},
 }
 
 func init() {
-	rootCmd.AddCommand(listCmd)
+	RootCmd.AddCommand(listCmd)
 }
 
 // runListCommand is the function that will be executed when the list command is called
-func runListCommand(f io.Reader, _ []string) error {
-	// Read from the exclude file line by line
+func runListCommand(out io.Writer, f io.Reader) error {
+	var count int
 	scanner := bufio.NewScanner(f)
 	for scanner.Scan() {
 		line := scanner.Text()
 		if line != "" && !strings.HasPrefix(line, "#") {
-			fmt.Println(line) // Print each non-empty, non-comment line
+			fmt.Fprintln(out, line)
+			count++
 		}
 	}
 	if err := scanner.Err(); err != nil {
 		return fmt.Errorf("error reading exclude file: %w", err)
 	}
 
+	if count == 0 {
+		fmt.Fprintln(out, "No patterns found in the exclude file.")
+	}
+
 	return nil
 }