From 7c85f5b9badf4a1921596091704bc8ed172ad738 Mon Sep 17 00:00:00 2001
From: Yegor Bugayenko <yegor256@gmail.com>
Date: Thu, 31 Aug 2023 10:41:41 +0300
Subject: [PATCH] #534 --help works

---
 src/main/java/org/jpeek/Main.java     | 22 +++++++++++++++++-----
 src/test/java/org/jpeek/MainTest.java |  2 --
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/main/java/org/jpeek/Main.java b/src/main/java/org/jpeek/Main.java
index a4562a4c..f3ca5ca7 100644
--- a/src/main/java/org/jpeek/Main.java
+++ b/src/main/java/org/jpeek/Main.java
@@ -44,6 +44,13 @@
  */
 public final class Main {
 
+    @Parameter(
+        names = "--help",
+        help = true,
+        description = "Print usage options"
+    )
+    private boolean help;
+
     @Parameter(
         names = { "--sources", "-s" },
         converter = FileConverter.class,
@@ -111,18 +118,23 @@ private Main() {
      */
     public static void main(final String... args) throws IOException {
         final Main main = new Main();
-        JCommander.newBuilder()
+        final JCommander jcmd = JCommander.newBuilder()
             .addObject(main)
-            .build()
-            .parse(args);
-        main.run();
+            .build();
+        jcmd.parse(args);
+        main.run(jcmd);
     }
 
     /**
      * Run it.
+     * @param jcmd The command line opts
      * @throws IOException If fails
      */
-    private void run() throws IOException {
+    private void run(final JCommander jcmd) throws IOException {
+        if (this.help) {
+            jcmd.usage();
+            return;
+        }
         if (this.overwrite && this.sources.equals(this.target)) {
             throw new IllegalArgumentException(
                 "Invalid paths - can't be equal if overwrite option is set."
diff --git a/src/test/java/org/jpeek/MainTest.java b/src/test/java/org/jpeek/MainTest.java
index c17a1a6b..db7518b8 100644
--- a/src/test/java/org/jpeek/MainTest.java
+++ b/src/test/java/org/jpeek/MainTest.java
@@ -29,7 +29,6 @@
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import org.cactoos.Scalar;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 import org.llorllale.cactoos.matchers.Assertion;
@@ -45,7 +44,6 @@
 public final class MainTest {
 
     @Test
-    @Disabled
     public void printsHelp() throws IOException {
         Main.main("--help");
     }