#396 Display the tools help output on 'ide help <tool>'

cli/src/main/java/com/devonfw/tools/ide/commandlet/Commandlet.java

@@ -1,6 +1,7 @@
 package com.devonfw.tools.ide.commandlet;
 
 import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.nls.NlsBundle;
 import com.devonfw.tools.ide.property.KeywordProperty;
 import com.devonfw.tools.ide.property.Property;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
@@ -215,6 +216,13 @@ public boolean validate() {
     return true;
   }
 
+  /**
+   * Provide additional usage help of this {@link Commandlet} to the user.
+   */
+  public void printHelp(NlsBundle bundle) {
+
+  }
+
   @Override
   public String toString() {
 

cli/src/main/java/com/devonfw/tools/ide/commandlet/HelpCommandlet.java

@@ -1,9 +1,5 @@
 package com.devonfw.tools.ide.commandlet;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.log.IdeLogLevel;
 import com.devonfw.tools.ide.log.IdeSubLogger;
@@ -13,6 +9,10 @@
 import com.devonfw.tools.ide.property.Property;
 import com.devonfw.tools.ide.version.IdeVersion;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 /**
  * {@link Commandlet} to print the environment variables.
  */
@@ -123,6 +123,7 @@ private void printCommandletHelp(NlsBundle bundle, Commandlet cmd) {
     this.context.info("");
     this.context.info(bundle.get("values"));
     values.print();
+    cmd.printHelp(bundle);
   }
 
   private void printCommandlets(NlsBundle bundle) {

cli/src/main/java/com/devonfw/tools/ide/tool/ToolCommandlet.java

@@ -6,6 +6,7 @@
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.environment.EnvironmentVariables;
 import com.devonfw.tools.ide.environment.EnvironmentVariablesType;
+import com.devonfw.tools.ide.nls.NlsBundle;
 import com.devonfw.tools.ide.os.MacOsHelper;
 import com.devonfw.tools.ide.process.ProcessContext;
 import com.devonfw.tools.ide.process.ProcessErrorHandling;
@@ -344,4 +345,26 @@ public void setEdition(String edition, boolean hint) {
     }
   }
 
+  /**
+   * Runs the tool's help command to provide the user with usage information.
+   */
+  @Override
+  public void printHelp(NlsBundle bundle) {
+
+    super.printHelp(bundle);
+    String toolHelpArgs = getToolHelpArguments();
+    if (toolHelpArgs != null && getInstalledVersion() != null) {
+      ProcessContext pc = this.context.newProcess().errorHandling(ProcessErrorHandling.WARNING)
+          .executable(Path.of(getBinaryName())).addArgs(toolHelpArgs);
+      pc.run(ProcessMode.DEFAULT);
+    }
+  }
+
+  /**
+   * @return the tool's specific help command. Usually help, --help or -h. Return null if not applicable.
+   */
+  public String getToolHelpArguments() {
+
+    return null;
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/aws/Aws.java

@@ -5,6 +5,7 @@
 import com.devonfw.tools.ide.environment.EnvironmentVariables;
 import com.devonfw.tools.ide.environment.EnvironmentVariablesType;
 import com.devonfw.tools.ide.io.FileAccess;
+import com.devonfw.tools.ide.nls.NlsBundle;
 import com.devonfw.tools.ide.process.ProcessContext;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 
@@ -71,4 +72,10 @@ protected void postExtract(Path extractedDir) {
     }
   }
 
+  @Override
+  public void printHelp(NlsBundle bundle) {
+
+    this.context.info("To get detailed help about the usage of the AWS CLI, use \"aws help\"");
+  }
+
 }

cli/src/main/java/com/devonfw/tools/ide/tool/az/Azure.java

@@ -1,15 +1,15 @@
 package com.devonfw.tools.ide.tool.az;
 
-import java.nio.file.Path;
-import java.util.Set;
-
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.environment.EnvironmentVariables;
 import com.devonfw.tools.ide.environment.EnvironmentVariablesType;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
 
+import java.nio.file.Path;
+import java.util.Set;
+
 /**
  * {@link ToolCommandlet} for azure CLI (azure).
  */
@@ -37,4 +37,10 @@ public void postInstall() {
     typeVariables.save();
     this.context.getFileAccess().symlink(Path.of("wbin"), getToolPath().resolve("bin"));
   }
+
+  @Override
+  public String getToolHelpArguments() {
+
+    return "-h";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/docker/Docker.java

@@ -104,4 +104,10 @@ protected String getBinaryName() {
       return super.getBinaryName();
     }
   }
+
+  @Override
+  public String getToolHelpArguments() {
+
+    return "help";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/dotnet/DotNet.java

@@ -16,4 +16,10 @@ public DotNet(IdeContext context) {
 
     super(context, "dotnet", Set.of(Tag.DOTNET, Tag.CS));
   }
+
+  @Override
+  public String getToolHelpArguments() {
+
+    return "help";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/gh/Gh.java

@@ -1,12 +1,12 @@
 package com.devonfw.tools.ide.tool.gh;
 
-import java.util.Set;
-
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
 
+import java.util.Set;
+
 /**
  * {@link ToolCommandlet} for github CLI (gh).
  */
@@ -22,4 +22,9 @@ public Gh(IdeContext context) {
     super(context, "gh", Set.of(Tag.CLOUD));
   }
 
+  @Override
+  public String getToolHelpArguments() {
+
+    return "help";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/gradle/Gradle.java

@@ -1,13 +1,13 @@
 package com.devonfw.tools.ide.tool.gradle;
 
-import java.util.Set;
-
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
 import com.devonfw.tools.ide.tool.java.Java;
 
+import java.util.Set;
+
 /**
  * {@link ToolCommandlet} for <a href="https://gradle.org/">gradle</a>.
  */
@@ -30,4 +30,10 @@ public boolean install(boolean silent) {
     return super.install(silent);
   }
 
+  @Override
+  public String getToolHelpArguments() {
+
+    return "--help";
+  }
+
 }

cli/src/main/java/com/devonfw/tools/ide/tool/helm/Helm.java

@@ -1,12 +1,12 @@
 package com.devonfw.tools.ide.tool.helm;
 
-import java.util.Set;
-
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
 
+import java.util.Set;
+
 /**
  * {@link ToolCommandlet} for <a href="https://helm.sh/">Helm</a>, the package manager for Kubernetes.
  */
@@ -21,4 +21,9 @@ public Helm(IdeContext context) {
     super(context, "helm", Set.of(Tag.KUBERNETES));
   }
 
+  @Override
+  public String getToolHelpArguments() {
+
+    return "--help";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/jasypt/Jasypt.java

@@ -2,6 +2,7 @@
 
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.nls.NlsBundle;
 import com.devonfw.tools.ide.property.EnumProperty;
 import com.devonfw.tools.ide.property.PasswordProperty;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
@@ -15,8 +16,8 @@
 import java.util.Set;
 
 /**
- * {@link ToolCommandlet} for <a href="http://www.jasypt.org/">Jasypt</a>, The java library which allows to add basic encryption capabilities with minimum
- * effort.
+ * {@link ToolCommandlet} for <a href="http://www.jasypt.org/">Jasypt</a>, The java library which allows to add basic
+ * encryption capabilities with minimum effort.
  */
 public class Jasypt extends LocalToolCommandlet {
 
@@ -91,7 +92,8 @@ public void run() {
   private void runJasypt(String className) {
 
     List<String> arguments = new ArrayList<>(
-        Arrays.asList("-cp", resolveJasyptJarPath().toString(), className, "password=" + this.masterPassword.getValue(), "input=" + this.secret.getValue()));
+        Arrays.asList("-cp", resolveJasyptJarPath().toString(), className, "password=" + this.masterPassword.getValue(),
+            "input=" + this.secret.getValue()));
 
     String jasyptOpts = this.context.getVariables().get("JASYPT_OPTS");
     if (jasyptOpts != null && !jasyptOpts.trim().isEmpty()) {
@@ -110,4 +112,11 @@ private Path resolveJasyptJarPath() {
     String installedVersion = getInstalledVersion().toString();
     return toolPath.resolve("jasypt-" + installedVersion + ".jar");
   }
+
+  @Override
+  public void printHelp(NlsBundle bundle) {
+
+    this.context.info(
+        "To get detailed help about the usage of the jasypt CLI tools, see http://www.jasypt.org/cli.html#");
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/java/Java.java

@@ -1,12 +1,12 @@
 package com.devonfw.tools.ide.tool.java;
 
-import java.util.Set;
-
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
 
+import java.util.Set;
+
 /**
  * {@link ToolCommandlet} for Java (Java Virtual Machine and Java Development Kit).
  */
@@ -22,4 +22,9 @@ public Java(IdeContext context) {
     super(context, "java", Set.of(Tag.JAVA, Tag.RUNTIME));
   }
 
+  @Override
+  public String getToolHelpArguments() {
+
+    return "--help";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/kotlinc/Kotlinc.java

@@ -1,12 +1,12 @@
 package com.devonfw.tools.ide.tool.kotlinc;
 
-import java.util.Set;
-
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
 
+import java.util.Set;
+
 /**
  * {@link ToolCommandlet} for <a href="https://kotlinlang.org/docs/command-line.html">Kotlin command-line compiler</a>
  * (kotlinc).
@@ -22,4 +22,10 @@ public Kotlinc(IdeContext context) {
 
     super(context, "kotlinc", Set.of(Tag.KOTLIN, Tag.RUNTIME));
   }
+
+  @Override
+  public String getToolHelpArguments() {
+
+    return "-h";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/mvn/Mvn.java

@@ -47,7 +47,8 @@ public class Mvn extends PluginBasedCommandlet {
 
   private static final String DOCUMENTATION_PAGE_CONF = "https://github.com/devonfw/IDEasy/blob/main/documentation/conf.adoc";
 
-  private static final String ERROR_SETTINGS_FILE_MESSAGE = "Failed to create settings file at: {}. For further details see:\n" + DOCUMENTATION_PAGE_CONF;
+  private static final String ERROR_SETTINGS_FILE_MESSAGE =
+      "Failed to create settings file at: {}. For further details see:\n" + DOCUMENTATION_PAGE_CONF;
 
   private static final String ERROR_SETTINGS_SECURITY_FILE_MESSAGE =
       "Failed to create settings security file at: {}. For further details see:\n" + DOCUMENTATION_PAGE_CONF;
@@ -84,7 +85,8 @@ public void postInstall() {
       if (Files.isDirectory(templatesFolderLegacy)) {
         templatesFolder = templatesFolderLegacy;
       } else {
-        this.context.warning("No maven templates found. Neither in {} nor in {} - configuration broken", templatesFolder, templatesFolderLegacy);
+        this.context.warning("No maven templates found. Neither in {} nor in {} - configuration broken",
+            templatesFolder, templatesFolderLegacy);
         hasMvnTemplates = false;
       }
     }
@@ -221,4 +223,10 @@ public void installPlugin(PluginDescriptor plugin) {
           + "Please check the plugin properties file in {}", mavenPlugin.getFileName(), mavenPlugin.toAbsolutePath());
     }
   }
+
+  @Override
+  public String getToolHelpArguments() {
+
+    return "-h";
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/node/Node.java

@@ -1,12 +1,13 @@
 package com.devonfw.tools.ide.tool.node;
 
-import java.util.Set;
-
 import com.devonfw.tools.ide.common.Tag;
 import com.devonfw.tools.ide.context.IdeContext;
+import com.devonfw.tools.ide.nls.NlsBundle;
 import com.devonfw.tools.ide.tool.LocalToolCommandlet;
 import com.devonfw.tools.ide.tool.ToolCommandlet;
 
+import java.util.Set;
+
 /**
  * {@link ToolCommandlet} for <a href="https://nodejs.org/">node</a>.
  */
@@ -22,4 +23,9 @@ public Node(IdeContext context) {
     super(context, "node", Set.of(Tag.JAVA_SCRIPT, Tag.RUNTIME));
   }
 
+  @Override
+  public void printHelp(NlsBundle bundle) {
+
+    this.context.info("For a list of supported options and arguments, use \"node --help\"");
+  }
 }

cli/src/main/java/com/devonfw/tools/ide/tool/npm/Npm.java

@@ -53,4 +53,10 @@ protected void postExtract(Path extractedDir) {
       fileAccess.copy(npmBinBath.resolve(npx + cmd), nodeHomePath);
     }
   }
+
+  @Override
+  public String getToolHelpArguments() {
+
+    return "help";
+  }
 }