Ensure restricted features are not mentioned in the sip --help description

Author: Gedochao

modules/cli/src/main/scala/scala/cli/ScalaCliCommands.scala

@@ -70,8 +70,13 @@ class ScalaCliCommands(
       (if (pgpUseBinaryCommands) Nil else pgpCommands.allExternalCommands.toSeq) ++
       (if (pgpUseBinaryCommands) pgpBinaryCommands.allExternalCommands.toSeq else Nil)
 
-  override def description =
-    s"$fullRunnerName is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code."
+  override def description: String = {
+    val coreFeaturesString =
+      if ScalaCli.allowRestrictedFeatures then "compile, run, test and package"
+      else "compile, run and test"
+    s"$fullRunnerName is a command-line tool to interact with the Scala language. It lets you $coreFeaturesString your Scala code."
+  }
+
   override def summaryDesc =
     s"""|See '$baseRunnerName <command> --help' to read about a specific subcommand. To see full help run '$baseRunnerName <command> --help-full'.
         |To run another $fullRunnerName version, specify it with '--cli-version' before any other argument, like '$baseRunnerName --cli-version <version> args'.""".stripMargin

modules/integration/src/test/scala/scala/cli/integration/SipScalaTests.scala

@@ -122,6 +122,20 @@ class SipScalaTests extends ScalaCliSuite {
       }
     }
 
+  def checkHelp(binaryName: String): Unit = TestInputs.empty.fromRoot { root =>
+    val cliPath = os.Path(TestUtil.cliPath, os.pwd)
+    val ext = if (Properties.isWin) ".exe" else ""
+    val newCliPath = root / s"$binaryName$ext"
+    os.copy(cliPath, newCliPath)
+
+    for { helpOption <- Seq("help", "-help", "--help") } {
+      val res = os.proc(newCliPath, helpOption).call(cwd = root)
+      val restrictedFeaturesMentioned = res.out.trim().contains("package")
+      if (binaryName == "scala") expect(!restrictedFeaturesMentioned)
+      else expect(restrictedFeaturesMentioned)
+    }
+  }
+
   if (TestUtil.isNativeCli) {
     test("version command print detailed info run as scala") {
       runVersionCommand("scala")
@@ -130,5 +144,13 @@ class SipScalaTests extends ScalaCliSuite {
     test("version command print detailed info run as scala-cli") {
       runVersionCommand("scala-cli")
     }
+
+    test("help command mentions non-restricted features only when run as scala") {
+      checkHelp("scala")
+    }
+
+    test("help command mentions all core features when run as scala") {
+      checkHelp("scala-cli")
+    }
   }
 }